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Class Information
Number: 114/102.12
Name: Ships > Sail or control means therefor > Having means to tension or stretch sail
Description: Subject matter having apparatus to either (a) pull on, or (b) apply stress to the extent of material by which wind is used to propel the marine vehicle through the water.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7367277 |
Pulley |
May. 6, 2008 |
| 6971430 |
Cast composite sail and method |
Dec. 6, 2005 |
| 6718898 |
Shock absorber sailing system |
Apr. 13, 2004 |
| 6431100 |
Stowable semi-rigid wing sail system |
Aug. 13, 2002 |
| 6250242 |
Mainstay rig |
Jun. 26, 2001 |
| 6029594 |
Sailboard utilizing a dual-hook/loop connector |
Feb. 29, 2000 |
| 6006688 |
Trimming device on the mast top of a windsurfing rig |
Dec. 28, 1999 |
| 5974999 |
Mast footing for a windsurfing rig |
Nov. 2, 1999 |
| 5887841 |
Pole support for use in mast assembly to adjust sail tension |
Mar. 30, 1999 |
| 5839385 |
Tension applying device |
Nov. 24, 1998 |
| 5806451 |
Rigging, particulary for bicycles |
Sep. 15, 1998 |
| 5406902 |
Method and apparatus for optimum sail shaping |
Apr. 18, 1995 |
| 5372080 |
Motorized sail tensioner for windsurfing |
Dec. 13, 1994 |
| 5280763 |
Apparatus for tensioning a sail |
Jan. 25, 1994 |
| 5239939 |
Downhaul device |
Aug. 31, 1993 |
| 5012755 |
Apparatus for tensioning a sail |
May. 7, 1991 |
| 4977843 |
Sail tensioning apparatus |
Dec. 18, 1990 |
| 4774901 |
Sailboard construction |
Oct. 4, 1988 |
| 4773345 |
Force amplifying device for winding a rope under tension |
Sep. 27, 1988 |
| 4696248 |
Outhaul boom end part for sailboard boom assembly |
Sep. 29, 1987 |
| 4646670 |
Sail system for sailboards, and boardsailing apparatus and method |
Mar. 3, 1987 |
| 4625672 |
Sail tension control mechanism |
Dec. 2, 1986 |
| 4561373 |
Protective caps for sailboat spreaders |
Dec. 31, 1985 |
| 4512276 |
Sailboard rig |
Apr. 23, 1985 |
| 4436047 |
Boom for sailboards |
Mar. 13, 1984 |
| 4365570 |
Sail system for sailboards |
Dec. 28, 1982 |
| 4311107 |
Wind propelled apparatus |
Jan. 19, 1982 |
| 4108100 |
Rigging base for plural-hull sailing craft and methods for sail control |
Aug. 22, 1978 |
| 4059063 |
Roll-furling mainsail |
Nov. 22, 1977 |
| 4051798 |
Self-locking cable trolley |
Oct. 4, 1977 |
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