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Class Information
Number: 114/271
Name: Ships > Hull or hull adjunct employing fluid dynamic forces to derive a lift or alter trim, (e.g., planing hulls, etc.)
Description: Device wherein a hull attachment is provided or the hull form of the vessel is such that as the vessel moves through or across the surface of a body of water, a force is generated tending either to raise the vessel out of the water or to change the fore and aft drafts of the vessel relative to each other.










Sub-classes under this class:

Class Number Class Name Patents
114/272 Having airfoil 65
114/288 Having fluid channeling or entrapping configuration 140
114/274 Having hydrofoil 223
114/283 Having laterally disposed skids or pontoons 131
114/284 Movably mounted hull portion or hull adjunct 80
114/292 Pontoon structure 61
114/291 Stepped hull 98


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8683937 High speed surface craft and submersible vehicle Apr. 1, 2014
8683936 Powerboat rooster tail depressor Apr. 1, 2014
8676412 Reactive suspension with an integrated braking and steering system for a boat Mar. 18, 2014
8459198 Bouyant hull extension providing lateral and longitudinal control for lightweight hulls Jun. 11, 2013
8275493 Bow riding unmanned water-borne vehicle Sep. 25, 2012
8216011 Outboard engine unit Jul. 10, 2012
8166903 Deadrise-altering adjunct for marine hull bottom May. 1, 2012
8051792 Boat body and boat including the same Nov. 8, 2011
8011313 Hull structure Sep. 6, 2011
7984683 Compound displacement wave form hull design for green vessels Jul. 26, 2011
7802533 Marine vehicle having pre-swirl generator for generating pre-swirl flow Sep. 28, 2010
7712426 Multi-purpose expedition vessel May. 11, 2010
7665798 Means and methods to reduce drags Feb. 23, 2010
7631609 Versatile watercraft Dec. 15, 2009
7568443 Boat rudder with integrated dynamic trim foils Aug. 4, 2009
7549385 Stepped boat hull with flat pad portions Jun. 23, 2009
7497179 Quadrapod air assisted catamaran boat or vessel Mar. 3, 2009
7487736 Hybrid boat hull Feb. 10, 2009
7398740 Multi-mission/purpose ground-effect craft derived from a common modular platform Jul. 15, 2008
7380515 Anti-cavitation system Jun. 3, 2008
7347154 Amphibious craft Mar. 25, 2008
7337743 High lift authority marine control system Mar. 4, 2008
7296529 Fluidynamic lift combined array, technology Nov. 20, 2007
7201111 Boat hulls with planing sections Apr. 10, 2007
7055451 Vessel hull Jun. 6, 2006
6964240 Hull for high speed water craft Nov. 15, 2005
6872107 Boat hull tunnel extension Mar. 29, 2005
6805067 Contour stern flap Oct. 19, 2004
6668743 Semi-displacement hull Dec. 30, 2003
6666160 High aspect dynamic lift boat hull Dec. 23, 2003
6666162 Aluminum hull boat with extruded running surface Dec. 23, 2003
6629507 Chine system for a boat hull Oct. 7, 2003
6606959 High speed drag reducing ventilation for marine vessel hulls Aug. 19, 2003
6412434 Small watercraft hull construction Jul. 2, 2002
6363877 Power boat Apr. 2, 2002
6354236 Aerodynamic and hydrodynamic aluminum boat hull with triangular flat pad Mar. 12, 2002
6332422 Hull modification to minimize porpoising of a boat Dec. 25, 2001
6318286 Hull shape of personal watercraft Nov. 20, 2001
6276293 Skidplate having non-symmetrical hydrofoil profiles producing skid-opposing side force only during turn maneuver Aug. 21, 2001
6250240 Water craft having ventilated propeller Jun. 26, 2001
6247422 Planing watercraft hull and propulsion system Jun. 19, 2001
6234104 Hull for a shallow water fishing boat May. 22, 2001
6223674 Gentile performance wedge (GPW) shock mitigation planning boat hull May. 1, 2001
6186086 Planing boat hull and methods of making same Feb. 13, 2001
6176196 Boat bottom hull design Jan. 23, 2001
6173670 Combined aerodynamic and hydrodynamic aluminum boat hull Jan. 16, 2001
6158375 Boat wake enhancer Dec. 12, 2000
6131529 Water going vessel hull and method for hull design Oct. 17, 2000
RE36879 Planing boat hull Sep. 26, 2000
6119620 Kayak with release louvers Sep. 19, 2000

1 2 3










 
 
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