Class 114/149 - Keel

Subclass of Class 114 - Ships
Definition: Rudders or equivalent which are located upon or below the
No. of patents: 3
Last issue date: 10/04/2005

Number	Title	Issue Date
6951180	CBTF sailing yacht main engine drive system A canting ballast twin foil (CBTF) sailing yacht constructed according to the invention includes a sailing hull, a ballast, a ballast-supporting structure, and an onboard ballast drive system. The ballast drive system moves the ballast in order to vary the counter-h...	10/04/2005
6032603	Method and apparatus to increase the velocity of sailing vessels An asymmetric wing for decreasing the leeward drift of a vessel has two different surfaces, one of which is cambered in cross-section and the other which has less camber in cross-section or flat. The asymmetric wing has a leading edge pointed toward the b...	03/07/2000
3990384	Hull with righting moment producing fins A boat hull including a center depending keel fin is provided and the keel fin includes an upstanding rear edge portion having a horizontally rearwardly opening transverse recess formed therein. An upstanding main fin extending generally longitudinally of...	11/09/1976

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