Boat Design Inventions & Patents

 

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Boat Design Inventions & Patents

 

See Boat Patents Section of Clixoo Boats for all Boat Patent Resources 

 

Boat Design

 

1

 

Articulated boat top assembly - An articulated boat top assembly is attached to a conventional boat and operable to be moved between an extended position and a retracted position.

 

Patent number: 6349666

Filing date: Mar 7, 2001

Issue date: Feb 26, 2002

 

Link to patent info

 

2

 

Boat hull design - A multi-hull design suitable for various size boats ranging from racing craft to the large military ships.

 

Patent number: 6883450

Filing date: Jul 3, 2003

Issue date: Apr 26, 2005

 

Link to patent info

 

 

3

 

Rapid attachment boat docking system - A rapid boat docking and efficient loading/unloading apparatus is provided that utilizes an attachment system.

 

Patent number: 4735164

Filing date: Mar 27, 1986

Issue date: Apr 5, 1988

Link to patent info

 

 

4

 

 

Aero hydrofoil sail boat - A high-speed, ultra stable, wind propelled watercraft employs an airfoil for propulsion and buoyant hydrofoils for support.

 

Patent number: 5113775

Filing date: Aug 30, 1990

Issue date: May 19, 1992

Link to patent info

 

5

 

 

Jet boat with improved hull design and engine placement - A jet powered boat may be provided with a water monitor for fire fighting purposes.

 

Patent number: 6168481

Filing date: Aug 20, 1998

Issue date: Jan 2, 2001

 

Link to patent info

 

 

 

6

 

 

Hydrofoil supported planing watercraft - A passively controlled hydrofoil supported planning watercraft having a conventional hull with an integrally formed step.

 

Patent number: 5448963

Filing date: Sep 13, 1994

Issue date: Sep 12, 1995

 

Link to patent info

 

7

 

 

GaAs anneal boat design and method for use - An improved gallium arsenide anneal boat and method for annealing comprises a slot structure for holding a wafer-stack of first and second GaAs wafers and a silicon wafer in the slot structure prior to annealing.

Patent number: 5817179

Filing date: Jan 23, 1997

Issue date: Oct 6, 1998

 

Link to patent info

 

 

8***

 

 

Boat with convertible tender garage area - A boat has a system for converting a utility space used for garaging a dinghy and formed under the cockpit of the boat into an additional living cabin when the dinghy is removed from the garage.

 

 

Patent number: 6782841

Filing date: Aug 15, 2002

Issue date: Aug 31, 2004

 

Link to patent info

 

 

 

9

 

 

Collapsible boat with enhanced rigidity and multi-function chair - A collapsible portable boat with enhanced rigidity

 

Patent number: 5964178

Filing date: Sep 30, 1997

Issue date: Oct 12, 1999

 

Link to patent info

 

 

10

 

 

Propeller driven tunnel boat - A tunnel boat design that is not dependent upon turbulent or resurgent water flow is disclosed.

 

Patent number: 4685889

Filing date: Dec 23, 1986

Issue date: Aug 11, 1987

 

Link to patent info

 

 

11

 

 

Planing boat hull form - This invention relates to a marine vessel hull form, in particular to a high speed planing boat.

 

 

Patent number: 5419274

Filing date: Dec 2, 1993

Issue date: May 30, 1995

 

Link to patent info

 

 

12

 

 

Multihull windsurfer - A multihull windsurfer providing increased sailing stability, exceptional steerability and providing a moveable mast allowing for an adjustable sail carrying capacity.

 

Patent number: 5592892

Filing date: Oct 13, 1995

Issue date: Jan 14, 1997

 

Link to patent info

 

13

 

 

Marine vessel and method of manufacturing - The invention is directed to a marine vessel and method of construction, wherein the vessel hull is formed to have a bottom and side portions, and includes a frame comprising a plurality of at least frame and/or stringer members extending crosswise or lengthwise and selectively fixed to the bottom or side portions of the hull.

 

Patent number: 6394014

Filing date: Sep 12, 2000

Issue date: May 28, 2002

 

Link to patent info

 

 

14

 

Canard balanced marine bicycle - The canard balanced marine bicycle is an aquatic vehicle having a long and very narrow hull which depends, for its stability, on the dynamic forces generated by its movement through the water acting on the canard.

 

Patent number: 5722865

Filing date: May 21, 1996

Issue date: Mar 3, 1998

 

Link to patent info

 

 

15

 

 

Watercraft hull - A dynamic mode shallow draft ski-toon boat featuring a multi-hulled bottom with water skis mounted thereto is disclosed and described, the ski-toon boat being capable of planing at lower velocities and utilizing substantially less engine power in comparison to conventional hulled boats.

 

Patent number: 5676087

Filing date: Dec 10, 1996

Issue date: Oct 14, 1997

 

Link to patent info

 

 

16

 

 

Twin wing sailing yacht - A twin wing sailing yacht having a pair of wing appendages depending from a canoe or hull, the wing appendages including structures which support at their lower ends a fore and aft extending ballast tandemly suspended between them.

 

Patent number: 5313905

Filing date: May 8, 1992

Issue date: May 24, 1994

 

Link to patent info

 

 

 

17

 

 

Shallow water boat design - A boat provides full operation even in shallow water utilizing an outboard motor.

 

Patent number: 4713028

Filing date: Jun 19, 1986

Issue date: Dec 15, 1987

Link to patent info

 

 

18***

 

 

Advantageous use of battery mass in electric watercraft - Electric powered watercraft that lack an open-hull capsizable design utilizes a low energy density heavy power supply for stabilization.

 

Patent number: 6073569

Filing date: Feb 18, 1999

Issue date: Jun 13, 2000

 

Link to patent info

 

 

19

   High speed sport/utility boat - An improved V-bottom hull for sport/utility boats is formed with intermediate lifting strakes along the aft half of the hull bottom.

 

Patent number: 5983823

Filing date: Jun 22, 1998

Issue date: Nov 16, 1999

 

Link to patent info

 

 

 

20

 

Stroke cycle phase shift rowing - A rowing shell adapted for phase shift rowing, seating multiple groups of rowers such that all rowers within a group are seated for synchronous rowing, but each group is seated for asynchronous rowing with respect to the adjacent group.

Patent number: 6881112

Filing date: Mar 3, 2003

Issue date: Apr 19, 2005

 

Link to patent info

 

21

 

Planing catamaran vessel - A catamaran vessel comprises a pair of spaced, parallel elongated pontoons with a strut extending upwardly from each of the pontoons and a superstructure supported on the struts for riding above the waterline.

 

Patent number: RE33359

Filing date: Aug 28, 1989

Issue date: Oct 2, 1990

 

Link to patent info

 

22

Personal water craft with improved hull design - Improved jet propelled aquatic vessel with a hull profile which increase water entrainment to the jet pump intake orifice and tends to stabilize the vessel.

 

Patent number: 4781141

Filing date: Sep 10, 1986

Issue date: Nov 1, 1988

 

Link to patent info

 

 

23

Boat hull - A motorized pleasure boat having an essentially V-shaped hull.

 

Patent number: 4492176

Filing date: Jan 4, 1982

Issue date: Jan 8, 1985

 

Link to patent info

 

 

24

 

Jet powered rigid inflatable boat with dead-man switch - In a rigid inflatable boat having a rigid hull with a bottom wall and side walls having top edges carrying floatation pontoon, a water jet drive is mounted on the bottom wall near a transom closing the rear end of the hull

 

Patent number: 4964821

Filing date: May 30, 1989

Issue date: Oct 23, 1990

 

Link to patent info

 

 

25

Sailing yacht - High performance sailing yacht designs are disclosed based on a keel less sailing yacht concept having fore and aft cambered foils for leeway control which foils replace the function of the standard keel.

 

Patent number: 5163377

Filing date: May 9, 1991

Issue date: Nov 17, 1992

Link to patent info

 

26***

Boat activated wake enhancement method and system - The present invention relates to a boat-activated wake enhancement method and system that extends from the boat.

 

Patent number: 6105527

Filing date: Jun 16, 1998

Issue date: Aug 22, 2000

 

Link to patent info

 

 

27

 

Autonomous marine vehicle - An autonomous marine vehicle is disclosed, the vehicle comprising a rigid hull having an interior and a periphery, a deck joining the rigid hull at the periphery; and a rigid mast pivotally attached to the deck, the mast housing a plurality of sensors capable of effecting communication to and from said vehicle.

 

Patent number: 6269763

Filing date: Nov 23, 1999

Issue date: Aug 7, 2001

 

Link to patent info:

 

 

 

28

Boat hull with flow chamber - A boat hull having a two-stage flow chamber.

 

Patent number: 4609360

Filing date: Jul 12, 1984

Issue date: Sep 2, 1986

 

Link to patent info

 

 

29

Graphical design for a boat

 

Patent number: D464019

Filing date: Oct 22, 2001

Issue date: Oct 8, 2002

 

Link to patent info

 

 

 

30

 

 

Design for a boat

 

Patent number: D271579

Filing date: Jun 5, 1981

Issue date: Nov 29, 1983

 

Link to patent info

 

31

Hydrodynamic and reinforced catamaran hull design - An air propelled boat.

 

Patent number: 6148757

Filing date: Feb 24, 1998

Issue date: Nov 21, 2000

 

Link to patent info

 

32

 

Method of controlling the attitude of a boat at high speed through boat hull design and a boat hull - A method of controlling the attitude of a boat at high speed through boat hull design involves a first step of forming a pair of high speed steps in the hull of the boat.

 

Patent number: 6415731

Filing date: May 31, 2001

Issue date: Jul 9, 2002

 

Link to patent info

 

 

33

Pawley sailboat and rigging design - A sailboat with a planning hull and a mast stepped aft of amidship.

 

Patent number: 6435118

Filing date: Jul 19, 1999

Issue date: Aug 20, 2002

Link to patent info

 

 

34

Boat hull for V-bottom powerboats - A powerboat hull construction with greatly enhanced performance characteristics is provided.

 

Patent number: 5063868

Filing date: Jul 6, 1990

Issue date: Nov 12, 1991

 

Link to patent info

 

 

35

Finned boat hull - The invention is a displacement boat hull having the outboard surfaces of its wetted portion designed with a deep-V shape, and having at least one pair of retractable hydrofoil fins positioned in respective pockets along those outboard surfaces at a predetermined distance above the keel.

 

Patent number: 5404830

Filing date: Jul 27, 1993

Issue date: Apr 11, 1995

 

Link to patent info

 

 

36

Hull for an inboard powered boat - An improved hull is disclosed for use on an inboard boat of a relatively increased length, the hull having a generally deep V-shaped bottom surface at the bow slowly transitioning to a relatively flat stern to provide increased lift as compared to conventional inboard boats.

 

Patent number: 5046439

Filing date: Jul 24, 1989

Issue date: Sep 10, 1991

 

Link to patent info

 

 

37

Ship or boat construction having three hulls - A catamaran design has a third hull positioned between the conventional hulls.

 

Patent number: 5211126

Filing date: May 18, 1992

Issue date: May 18, 1993

 

Link to patent info

 

 

38

Boat

 

Patent number: D409555

Filing date: Feb 11, 1998

Issue date: May 11, 1999

 

Link to patent info

 

 

39

Surface-drive boat propulsion system - An improved propulsion system is provided for inboard motor boats with planing-type hulls.

 

Patent number: 5249994

Filing date: Mar 19, 1993

Issue date: Oct 5, 1993

 

Link to patent info

 

 

40

 

Explorer boat

 

Patent number: D343160

Filing date: Aug 17, 1992

Issue date: Jan 11, 1994

 

Link to patent info

 

41

Folding boat - A folding boat is disclosed comprising a deck, a plurality of safety fences and a plurality of pontoons.

 

Patent number: 6766758

Filing date: Oct 24, 2003

Issue date: Jul 27, 2004

Link to patent info

 

 

42

Dual hull kayak - The invention relates to dual hull kayak, with a one piece elongate molded body of a continuous outer membrane enclosing an internal cavity.

 

Patent number: 6112692

Filing date: Jul 1, 1998

Issue date: Sep 5, 2000

 

Link to patent info

 

 

43

Recess flow plate for a boat hull - A recess flow plate mounted to a boat hull to substantially cover a through-hull mounting recess located on the bottom of a boat hull is disclosed.

Patent number: 5405278

Filing date: Sep 22, 1993

Issue date: Apr 11, 1995

 

Link to patent info

 

44

Wafer boat - A wafer processing boat is provided with parallel slots that support each wafer at a slight angle with respect to vertical so that the wafers lean by gravity in a uniform manner and are thereby arranged in spaced parallel relationship.

 

Patent number: 4355974

Filing date: Nov 24, 1980

Issue date: Oct 26, 1982

 

Link to patent info

 

 

45

Triangular boat hull apparatus - A multi-hull design constructed from flat pieces of material instead of curved sections normally used for boat hull construction.

 

Patent number: 5549066

Filing date: Aug 1, 1995

Issue date: Aug 27, 1996

Link to patent info

 

46

Boat trailer - A boat trailer having the parallel boat supporting portions of the trailer frame free of any fixed cross frame members rigidly connected to the trailer side booms.

 

Patent number: 4717165

Filing date: Jul 22, 1986

Issue date: Jan 5, 1988

Link to patent info

 

47

Boat hull with center V-hull and sponsons - An improved boat hull is provided that combines the handling characteristics of a V-bottom hull with the speed and acceleration characteristics of a tunnel hull boat.

Patent number: 4672905

Filing date: Jun 6, 1986

Issue date: Jun 16, 1987

 

Link to patent info

 

48

Surface-effect aerofoil boat  - A surface-effect aerofoil boat having two aerofoils arranged in tandem and having a gap for a propulsion or air screw between a vertical fin and an aerodynamic rudder and wherein the aerofoils are designed as hollow bodies subdivided into compartments some of which being provided with flooding and emptying devices.

 

Patent number: 4365578

Filing date: Jul 25, 1980

Issue date: Dec 28, 1982

Link to patent info

 

49

Tunnel-hulled boat - A tunnel-hulled boat that has a high degree of maneuverability at low and high speeds with decreased hydrodynamic drag is disclosed.

 

Patent number: 6125781

Filing date: Jul 31, 1998

Issue date: Oct 3, 2000

 

Link to patent info

 

 

50

Hydrofoil wing system for monohull keel boat - A monohull keel sail boat is provided with a bow foil structure, a keel foil structure and a stern foil structure.

Patent number: 6499419

Filing date: Jan 26, 2001

Issue date: Dec 31, 2002

Link to patent info

 

51

Jet Ski hull and method of manufacture - A bottom hull for a jet type watercraft is comprised of fiber reinforced plastic (FRP) outer liner.

Patent number: 5036789

Filing date: Mar 1, 1990

Issue date: Aug 6, 1991

Link to patent info

 

52

Single-frame-curve method of designing and constructing hulls - A method for designing and constructing original hull designs, and the hulls produced by this method.

 

Patent number: 6564737

Filing date: Aug 7, 2002

Issue date: May 20, 2003

Link to patent info

 

53

Foldable boat with light weight hull construction system - A primary goal of the present invention is to improve the prior art assembly system.

Patent number: 6615762

Filing date: Aug 23, 2001

Issue date: Sep 9, 2003

Link to patent info

 

54

Articulated multi-hull water craft - A multi-hull vessel capable of planing.

 

Patent number: 6851378

Filing date: Apr 2, 2003

Issue date: Feb 8, 2005

 

Link to patent info

 

55

Hull construction for a swath vessel - An improved hull construction for a SWATH vessel of the type having first and second pontoons disposed beneath a superstructure and coupled thereto by vertically disposed struts.

 

Patent number: 4919063

Filing date: Mar 7, 1989

Issue date: Apr 24, 1990

Link to patent info

 

56***

Marine engine exhaust muffler with swim platform - An exhaust muffler for mounting on the transom of an inboard or inboard/outboard motor boat over the exhaust pipes which extend through the transom includes a top which forms a swim platform.

Patent number: 4744778

Filing date: Jul 21, 1986

Issue date: May 17, 1988

 

Link to patent info

 

 

57

High aspect dynamic lift boat hull - An unventilated, stepped hydroplaning boat hull has at least one midship step.

 

Patent number: 6666160

Filing date: Mar 15, 2001

Issue date: Dec 23, 2003

 

Link to patent info

 

58***

Arrangement for mounting propulsion unit to boat hull - An arrangement for mounting water jet apparatus to a hull of a marine craft.

 

Patent number: 6238256

Filing date: Dec 22, 1999

Issue date: May 29, 2001

 

Link to patent info

 

59

Hull configuration for high speed boat - A high speed planing hull is provided, which is generally of a deep Vee form and which is provided with multiple steps in the fore-and-aft direction in combination with variable dead rise from keel to chine in the steps.

 

Patent number: 5452676

Filing date: Jul 5, 1994

Issue date: Sep 26, 1995

 

Link to patent info

 

 

60

Paddle wheel boat - The vessel of this invention has a relatively uniform weight distribution throughout the length of the vessel which maintains a level trim under all operation conditions thereby maximizing the efficiency of the design and operation.

 

Patent number: 6264518

Filing date: Sep 29, 1999

Issue date: Jul 24, 2001

 

Link to patent info

 

 

61

Non-ventilating aft thruster tunnel design - A modified boat hull, providing for dual, non-ventilating aft thruster tunnels.

 

Patent number: 6773316

Filing date: Jan 31, 2002

Issue date: Aug 10, 2004

 

Link to patent info

 

 

62

Seamless foldable boat - A foldable boat is made with a seamless low stress hull that is formed from a one piece mold.

 

Patent number: 4706597

Filing date: Jan 6, 1986

Issue date: Nov 17, 1987

 

Link to patent info

 

 

63

Multiple hull air ride boat - An improved performance marine surface vessel that includes pressurized supporting gas cushions in multiple hulls, normally catamaran-like side hulls, where such pressurized supporting gas cushions support a majority of boat weight in operation.

 

Patent number: 5176095

Filing date: Jul 10, 1991

Issue date: Jan 5, 1993

 

Link to patent info

 

 

64

Self-leveling boat trailer - A self-leveling boat trailer adapted to be towed behind a vehicle.

Patent number: 4395185

Filing date: Mar 18, 1982

Issue date: Jul 26, 1983

 

Link to patent info

 

 

65

Power boat hull - A power boat hull has an inner running surface with a central running surface and an outer running surface that flanks the inner running surface.

 

Patent number: 5351642

Filing date: Jul 30, 1993

Issue date: Oct 4, 1994

 

Link to patent info

 

 

66

Boat Randy

 

Patent number: D342933

Filing date: Jun 12, 1992

Issue date: Jan 4, 1994

 

Link to patent info

 

67

Wafer boat and boat holder - A wafer boat and boat handle are designed for automatic interlocking engagement and release upon manipulation by a user.

 

Patent number: 6669253

Filing date: Dec 18, 2000

Issue date: Dec 30, 2003

 

Link to patent info

 

 

68

Self bailing boat - A boat has enclosed flotation within a closed bilge or floor of the boat, which is internally raised so that the interior floor of the vessel is slightly above the normal operating water line level of the vessel.

 

Patent number: 5176097

Filing date: Jul 26, 1991

Issue date: Jan 5, 1993

 

Link to patent info

 

 

69***

Centrifugal wafer carrier cleaning apparatus - Apparatus for cleaning carriers used to hold semiconductor wafers, substrates, data disks, flat panel displays and similar containers used in applications highly sensitive to contamination.

 

Patent number: 5224503

Filing date: Jun 15, 1992

Issue date: Jul 6, 1993

 

Link to patent info

 

70

Boat trailer - A utility boat trailer for towing a boat which is capable of carrying a number of different sizes of boats and a number of different hull configurations has a plurality of adjustments on various of its members.

 

Patent number: 4464092

Filing date: Feb 5, 1982

Issue date: Aug 7, 1984

 

Link to patent info

 

 

71

Top for a pontoon boat - The invention is directed to a boat having a buoyant lower portion and a plurality of upstanding support members connected to the lower portion.

 

Patent number: 5452678

Filing date: Oct 13, 1993

Issue date: Sep 26, 1995

 

Link to patent info

 

72

Pond boat - A light weight and portable pond boat. The boat includes a frame designed to be flexible and readily disassembled.

 

Patent number: 5413066

Filing date: Jun 2, 1994

Issue date: May 9, 1995

 

Link to patent info

 

73

Paddle wheel boat - The vessel of this invention has a relatively uniform weight distribution throughout the length of the vessel which maintains a level trim under all operation conditions thereby maximizing the efficiency of the design and operation.

 

Patent number: 5988092

Filing date: Apr 8, 1997

Issue date: Nov 23, 1999

 

Link to patent info

 

 

74

Rudder-tiller control system for a boat - The present invention entails a rudder-tiller control system for a boat.

 

Patent number: 4522142

Filing date: Sep 14, 1984

Issue date: Jun 11, 1985

 

Link to patent info

 

 

75

Boat trailer with pivotal dropped crossbar rolled mounting system - A boat trailer having at least one pivotally mounted crossbar member facilitating loading and unloading a trailer and assuring efficient support of a boat loaded thereon.

 

Patent number: 4611948

Filing date: Apr 26, 1985

Issue date: Sep 16, 1986

 

Link to patent info

 

76

High speed power boat for calm and rough seaways - Hydrocraft, capable of maintaining comfortable seaworthy performance at both low and high speeds, in both calm and rough seas, wherein its hull form coordinates high efficiency of at least two zero deadrise planing surfaces with a wave piercing, wedge effect bow segment.

 

Patent number: 4649851

Filing date: Sep 12, 1985

Issue date: Mar 17, 1987

 

Link to patent info

 

77

Jet boat with improved hull design and engine placement - A jet powered boat may be provided with a water monitor for fire fighting purposes.

 

Patent number: 6343964

Filing date: Nov 14, 2000

Issue date: Feb 5, 2002

 

Link to patent info

 

78

Sailboat hull and method for reducing drag caused by leeway - A shaped hull with a fixed angle keel with respect to the hull that when heeled, orients the keel to an angle of attack substantially related to the heel angle.

 

Patent number: 6694907

Filing date: Mar 14, 2003

Issue date: Feb 24, 2004

 

Link to patent info

 

79

Multi-hulled aircraft/boat - An amphibious aircraft capable of V-STOL operations.

 

Patent number: 5242132

Filing date: Mar 31, 1992

Issue date: Sep 7, 1993

 

Link to patent info

 

 

80

Paired motor system for small boat propulsion and steerage - Paired spaced electrically driven motors provide a steerable propelling system for small boats.

 

Patent number: 5090929

Filing date: Apr 12, 1991

Issue date: Feb 25, 1992

 

Link to patent info

 

81

Boat vent - A grill to be mounted over a ventilation opening of a boat has a molded plastic primary section and separate indentical molded plastic end sections.

 

Patent number: 4712501

Filing date: Feb 12, 1987

Issue date: Dec 15, 1987

Link to patent info

 

82

Tunnel stern boat

 

Patent number: 3626894

Issue date: Dec 1971

 

Link to patent info

 

83

Catamaran with hydrofoils - The invention discloses a catamaran type boat having two similar boat demi-hulls which are spaced apart and which are substantially parallel, each demi-hull having a base line (BL).

 

Patent number: 4606291

Filing date: May 9, 1983

Issue date: Aug 19, 1986

 

Link to patent info

 

84

Apparatus and method for a dual hull boat with control gate - The current invention is an apparatus and method for an inner and outer dual hull boat capable of transforming between different levels of planing ability.

 

Patent number: 7216601

Filing date: Dec 8, 2005

Issue date: May 15, 2007

 

Link to patent info

 

 

85

Boat hull with flow chamber - A boat hull having a two-stage flow chamber.

 

Patent number: RE33165

Filing date: Aug 30, 1988

Issue date: Feb 13, 1990

 

Link to patent info

 

86

Flexible bow air ride boat hull - An improved performance marine surface vessel.

 

Patent number: 4392445

Filing date: Jun 3, 1981

Issue date: Jul 12, 1983

 

Link to patent info

 

 

87

Boat ramp - The new boat ramp has a ladder-style frame having C-shaped elongated lateral side rails held in spaced apart parallel condition by C-shaped cross support beams.

 

Patent number: 6592291

Filing date: Nov 30, 2001

Issue date: Jul 15, 2003

 

Link to patent info

 

 

88

Boat with outriggers - A boat has a main hull and a pair of outriggers which extend to distal, capsizing-resistance formations.

 

Patent number: 6073568

Filing date: Nov 28, 1998

Issue date: Jun 13, 2000

 

Link to patent info

 

 

89

Boat deck gas fill

 

Patent number: D312442

Filing date: Jun 13, 1988

Issue date: Nov 27, 1990

 

Link to patent info

 

 

90

Inflatable boat

 

Patent number: 3453671

Filing date: Jul 21, 1967

Issue date: Jul 1969

 

Link to patent info

 

91

Boat fuel overflow protection system - Apparatus and method to prevent fuel spillage from a fuel tank vent used with a boat mounted fuel tank having a filler tube leading thereto from a fuel filler fitting mounted to a surface of the boat and a vent line leading from the fuel tank to a vent extending through the hull of the boat.

 

Patent number: 6237645

Filing date: Aug 17, 2000

Issue date: May 29, 2001

 

Link to patent info

 

92

Convertible sailboat/motorboat - A convertible sailboat/motorboat is disclosed which has capability for displacement movement under maximum speeds.

 

Patent number: 4376416

Filing date: Feb 19, 1980

Issue date: Mar 15, 1983

 

Link to patent info

 

93

Paddle boat

 

Patent number: D372013

Filing date: Dec 29, 1994

Issue date: Jul 23, 1996

 

Link to patent info

 

 

94

Ladder boat for supporting wafers - The present invention relates generally to an improved ladder boat for supporting semiconductor wafers during thermal treatments which comprises top and bottom plates vertically opposing each other and support rods secured to said plates.

 

Patent number: 6361313

Filing date: Jul 28, 2000

Issue date: Mar 26, 2002

 

Link to patent info

 

95

Boat supported duck blind - A duck blind adapted for mounting on the gunwales of a boat hull includes separate bow, stern and central frame sections adapted for use on various size boats.

 

Patent number: 4671203

Filing date: Feb 10, 1986

Issue date: Jun 9, 1987

 

Link to patent info

 

96

Surf-boat - A surf-boat for travelling or standing on choppy waters, such as may be encountered in gulfs, bays, surfs and beach fronts is provided, typically having three pontoons, three columns and two concentrically aligned decks.

 

Patent number: 5590616

Filing date: Jan 6, 1995

Issue date: Jan 7, 1997

 

Link to patent info

 

97

Catamaran type boat and boat hull

 

Patent number: D358122

Filing date: Jun 10, 1994

Issue date: May 9, 1995

 

Link to patent info

 

98

Catamaran boat - A powered catamaran boat having displacement hulls (10) that provide stable boat performance.

 

Patent number: 5188049

Filing date: Jan 14, 1992

Issue date: Feb 23, 1993

 

Link to patent info

 

 

99

Sailboat with a pivoted mast-to-hull mounting system - Substantial improvements in design, cost, performance, safety and comfort could be had in sailboats if the hull were to navigate in a level attitude even under strong wind conditions.

Patent number: 5072682

Filing date: Jul 3, 1990

Issue date: Dec 17, 1991

 

Link to patent info

 

100

 

Boat

 

Patent number: D474730

Filing date: Jul 9, 2002

Issue date: May 20, 2003

 

Link to patent info

 

101

Boat having channels formed in its hull Roger - A hull of a boat, which is particularly intended for use with a jet pump propulsion system, is provided with two channels formed in the port and starboard surfaces of the hull and displaced from a keel line.

 

Patent number: 6675736

Filing date: Sep 12, 2002

Issue date: Jan 13, 2004

 

Link to patent info

 

102

Hull for small boat - A small watercraft of the type designed to be ridden by a single rider and powered by a jet propulsion unit.

 

Patent number: 5309856

Filing date: Sep 11, 1992

Issue date: May 10, 1994

 

Link to patent info

 

 

103

High speed M-shaped boat hull - A watercraft constructed according to the invention includes at least one hull according to the invention described in the grandparent and great-grandparent patent applications.

 

Patent number: 6526903

Filing date: Jun 28, 2002

Issue date: Mar 4, 2003

 

Link to patent info

 

103

Watercraft with anticavitation control - A water craft apparatus has an elongated hull with turbine propulsion drive adapted for ingesting water at a turbine water intake and for ejecting the water, with high velocity, at a turbine water outlet.

 

Patent number: 6571725

Filing date: Aug 8, 2002

Issue date: Jun 3, 2003

 

Link to patent info

 

104

Boat ramp improvements - The new boat ramp has a ladder-style frame having C-shaped elongated lateral side rails held in spaced apart parallel condition by C-shaped cross support beams. One end of the frame is a water end and the other end is a shore end.

 

Patent number: 7153059

Filing date: Jun 23, 2003

Issue date: Dec 26, 2006

 

Link to patent info

 

105

Adjustable leveling fin rudder method and apparatus for powerboats - Method and apparatus for leveling or adjusting a power-boat's average angle.

 

Patent number: 6026759

Filing date: Feb 10, 1998

Issue date: Feb 22, 2000

 

Link to patent info

 

106

Planing boat hull - The specification discloses a modified V-hull for a boat in which an elongate pad forms the lowermost portion of the hull.

 

Patent number: 4584959

Filing date: May 25, 1984

Issue date: Apr 29, 1986

 

Link to patent info

 

107

Watercraft having jet propulsion and electric outdrive - A watercraft having a combination of a canoe and a power boat style hull with a propulsion mechanism and an electric outdrive mechanism.

 

Patent number: 6478639

Filing date: Jul 10, 2001

Issue date: Nov 12, 2002

 

Link to patent info

 

108

Planing hull for multi-hull sail boats - A multi-hull sailing craft has a pair of essentially aligned parallel interconnecting air foil shaped hulls.

 

Patent number: 4907518

Filing date: Apr 12, 1989

Issue date: Mar 13, 1990

 

Link to patent info

 

109

Boat

 

Patent number: D291685

Filing date: Aug 9, 1985

Issue date: Sep 1, 1987

 

Link to patent info

 

 

 

110

  Watercraft with wave deflecting hull - The invention is directed to a watercraft hull design that comprises a hull having a bow, stem, top, and bottom.

 

Patent number: 7188575

Filing date: Jan 3, 2005

Issue date: Mar 13, 2007

 

Link to patent info

 

 

 

111

Boat hull construction - The present invention is an improved boat hull construction, in particular for power catamarans.

 

Patent number: 5351641

Filing date: Feb 9, 1993

Issue date: Oct 4, 1994

 

Link to patent info

 

112

Boat hull

 

Patent number: D383109

Filing date: May 3, 1996

Issue date: Sep 2, 1997

 

Link to patent info

 

113

Marine propeller - A marine propeller with increased performance.

 

Patent number: 6390776

Filing date: Mar 30, 2000

Issue date: May 21, 2002

 

Link to patent info

 

114

 

Boat fender

 

Patent number: D359019

Filing date: Apr 5, 1994

Issue date: Jun 6, 1995

 

Link to patent info

 

115

Propulsion unit for boat - A propulsion unit can comprise a propeller and an internal combustion engine for driving the propeller.

 

Patent number: 7168995

Filing date: Apr 11, 2005

Issue date: Jan 30, 2007

 

Link to patent info

 

116

Motor boat

 

Patent number: D475338

Filing date: Nov 1, 2002

Issue date: Jun 3, 2003

 

Link to patent info

 

 

117

Power boat hull - A power boat hull that has central running surface and an outer running surface that flanks the central running surface.

 

Patent number: 5231945

Filing date: Sep 25, 1991

Issue date: Aug 3, 1993

 

Link to patent info

 

118

Boat trailer - The invention is a boat trailer which features a wishbone chassis-frame rail.

 

Patent number: 4754988

Filing date: Jul 6, 1987

Issue date: Jul 5, 1988

 

Link to patent info

 

119

Thermoplastic bottom inflatable boat - A boat formed from a flexible hull bottom and side skirts in the form of tapered inflatable tubes.

 

Patent number: 5517939

Filing date: Jun 29, 1993

Issue date: May 21, 1996

 

Link to patent info

 

120

Foam stabilized watercraft - A high performance boat stabilized through the use of foam stabilizing members is provided.

 

Patent number: 5870965

Filing date: Mar 26, 1997

Issue date: Feb 16, 1999

 

Link to patent info

 

121

Hydroplaning boat accessory - A permanently fixed metal trim tab for attachment in pair combinations to the aft end of a boat.

 

Patent number: 5215029

Filing date: May 22, 1992

Issue date: Jun 1, 1993

 

Link to patent info

 

 

122

 

 

Boat

 

Patent number: D267866

Filing date: May 23, 1980

Issue date: Feb 8, 1983

 

Link to patent info

 

 

123

 

 

Hydro cushion boat

 

Patent number: 3636907

Filing date: Mar 16, 1970

Issue date: Jan 1972

 

Link to patent info

 

124

 

Boat hull - Boat hull or attachment with a plurality of longitudinally movable elements.

 

Patent number: 5390623

Filing date: Oct 8, 1993

Issue date: Feb 21, 1995

Link to patent info

 

 

125

Boat cover - This a system for attaching a weather proof cover on to a boat that has protection for its interior.

 

Patent number: 5809929

Filing date: Oct 2, 1997

Issue date: Sep 22, 1998

 

Link to patent info

 

 

126

Boat bow roller

 

Patent number: D259240

Filing date: May 24, 1979

Issue date: May 19, 1981

 

Link to patent info

 

127

 

Paddle wheel boat

 

Patent number: D544429

Filing date: Dec 14, 2006

Issue date: Jun 12, 2007

 

Link to patent info

 

 

128

 

 

Boat propeller - An improved watercraft propeller is provided with a hub having a plurality of outwardly extending blades, and at least one reverse thrust member connected to a selected blade of the propeller.

 

Patent number: 6699016

Filing date: Jun 12, 2002