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Class Information
Number: 114/280
Name: Ships > Hull or hull adjunct employing fluid dynamic forces to derive a lift or alter trim, (e.g., planing hulls, etc.) > Having hydrofoil > Having means to tilt or reposition foil or foil adjunct
Description: Device wherein means are provided for mounting the wing-like member or a portion thereof such that it may be moved.


Sub-classes under this class:

Class Number Class Name Patents
114/282 Having means to move foil to a retracted nonuse position 44
114/281 Steerable foil 18


Patents under this class:
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Patent Number Title Of Patent Date Issued
7318760 Mechanism for transferring total weight of outboard engine from boat and ship Jan. 15, 2008
7243607 Wind driven sailing craft Jul. 17, 2007
7174843 Hydrofoil unit for attaching to the stern of the hull of a boat Feb. 13, 2007
7144285 Hydrofoil surfing board Dec. 5, 2006
6932018 Manual hydrofoil and spar truss assembly for wind powered watercraft Aug. 23, 2005
6901873 Low-drag hydrodynamic surfaces Jun. 7, 2005
6895883 Powered boat hull May. 24, 2005
6805068 Hydrofoil system for lifting a boat partially out of water an amount sufficient to reduce drag Oct. 19, 2004
6789489 Sailboat with gimbaled mast and keel Sep. 14, 2004
6789490 Ship constructions for achieving stability at high speed through the use of multiple, low wave-making resistance, submerged hullform pods and control fins Sep. 14, 2004
6782839 Hydrofoil boat Aug. 31, 2004
6675735 Hydrofoil sail craft Jan. 13, 2004
6634310 High efficiency high speed ship Oct. 21, 2003
6620003 Boat having a combination of jets and outboard motors and/or extendable hydroplanes Sep. 16, 2003
6609472 Stable efficient air lubricated ship Aug. 26, 2003
6604484 Ship supported by submerged structure Aug. 12, 2003
6551158 Adjustable angled rear wing Apr. 22, 2003
6499419 Hydrofoil wing system for monohull keel boat Dec. 31, 2002
6470817 Small waterplane area multihull (SWAMH) vessel Oct. 29, 2002
6443786 Flying ski Sep. 3, 2002
6234856 Flying ski May. 22, 2001
6227139 Control tab assisted lift reducing system for underwater hydrofoil surface May. 8, 2001
6164235 Hydrofoil supported water craft Dec. 26, 2000
6148756 Method and mechanism for dynamic trim of a fast moving, planning or semi-planning ship hull Nov. 21, 2000
6070543 Watercraft Jun. 6, 2000
6019059 Overlap lifting fin Feb. 1, 2000
6012408 Wake control apparatus Jan. 11, 2000
5860384 Wake control apparatus Jan. 19, 1999
5809926 Lifting fin Sep. 22, 1998
5715572 Hinge Feb. 10, 1998
5645009 Power boat trim augmentation device Jul. 8, 1997
5638766 Water craft with disc surface skimmers Jun. 17, 1997
5638765 Hydrofoil assembly for marine use, and method for mounting the same Jun. 17, 1997
5636585 Sailboat with hydrofoil members Jun. 10, 1997
5520137 Twin-hull boat with hydrofoils May. 28, 1996
5469801 Advanced marine vehicles for operation at high speed in or above rough water Nov. 28, 1995
5448963 Hydrofoil supported planing watercraft Sep. 12, 1995
5404830 Finned boat hull Apr. 11, 1995
5350327 Device to permit an outboard motor boat to operate in shallow water Sep. 27, 1994
5329870 Watercraft with vertically movable hydrofoils Jul. 19, 1994
5315951 Means for improving the performance of planing-type boat hulls May. 31, 1994
5311832 Advanced marine vehicles for operation at high speeds in or above rough water May. 17, 1994
5309859 Hydrofoil device May. 10, 1994
5263433 Hybrid hydrofoil strut leading edge extension Nov. 23, 1993
5237952 Variable attitude submersible hydrofoil Aug. 24, 1993
5231950 Hydrofoil for watercraft Aug. 3, 1993
5224435 Fin box assemblies for windsurfers Jul. 6, 1993
5195444 Sailboard Mar. 23, 1993
5178089 Motor boat hydrofoil Jan. 12, 1993
5134954 Asymmetric hydrofoil propulsion method and apparatus Aug. 4, 1992

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