Class D12/313 - Laterally stepped bottom

Subclass of Class D12 - Transportation
No. of patents: 5
Last issue date: 05/17/2011

Number	Title	Issue Date
D637948	Boat hull	05/17/2011
D607805	Boat hull	01/12/2010
6923137	Water sports performance boat hull A water sports performance boat includes a hull having a sharpened angle keel for cutting into the water. Reverse chines are carried on port and starboard sides and extending from a forward portion of the hull to an aft portion for inducing a lifting of the bow at g...	08/02/2005
5419274	Planing boat hull form This invention relates to a marine vessel hull form, in particular to a high speed planing boat. It describes a new and distinctive shape of hull which, unlike other hull forms developed to date, features the shape which modifies the flow of water underne...	05/30/1995
4843988	Stepped bottom for boat A design for the bottom of a boat is provided which has particular applicability for the case of single-screw planing boats. The invention comprises stepped regions in each after outboard corner of the hull bottom which are sized and configured so as to g...	07/04/1989

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