using sheaves being friction driven by endless ropes or by ropes having two free ends

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Patents Grantslast 30 patents

Information Patent Grant
Furling and adjustment assembly for boat sails
- Patent number 11,407,482
- Issue date Aug 9, 2022
- Enzo Bernocchi
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Device for winding sails
- Patent number 6,591,771
- Issue date Jul 15, 2003
- Renzo Greghi
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Furling device for a sailing boat
- Patent number 5,890,447
- Issue date Apr 6, 1999
- Christer Bernson
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Sailboat
- Patent number 4,487,148
- Issue date Dec 11, 1984
- U.M. Corporation
- Kazuhiro Umeda
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Mainsail furling mast assembly and mast construction therefor
- Patent number 4,480,570
- Issue date Nov 6, 1984
- Metalmast Marine, Inc.
- Norman A. Rosenfield
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Jib roller systems
- Patent number 4,267,791
- Issue date May 19, 1981
- Jean-Pierre Ingouf
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
3877406
- Patent number 3,877,406
- Issue date Apr 15, 1975
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT