Class Information
Number: 114/102.13
Name: Ships > Sail or control means therefor > Having airflow control device for sail
Description: Subject matter wherein structure is provided to (a) direct a portion of the wind before, or (b) redirect a portion of the wind after it has contacted the extent of material by which the wind is used to propel the marine vehicle through the water from the wind s normal path to enhance the wind"s affect on the extent of material.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7278366 |
Method and apparatus for increasing sail efficiency |
Oct. 9, 2007 |
| 6807919 |
Mastless kayak sail |
Oct. 26, 2004 |
| 6684802 |
Serrated leech flaps for sails |
Feb. 3, 2004 |
| 6170421 |
Apparatus for sails |
Jan. 9, 2001 |
| 6116178 |
Sail |
Sep. 12, 2000 |
| 6070545 |
Sails for sailboats having self-tacking leech flaps |
Jun. 6, 2000 |
| 5937778 |
Sail |
Aug. 17, 1999 |
| 5732642 |
Windsurfer sail device |
Mar. 31, 1998 |
| 5123368 |
Laminar air-flow sail |
Jun. 23, 1992 |
| 5074234 |
Vortex generators for sails |
Dec. 24, 1991 |
| 5031560 |
Sail construction |
Jul. 16, 1991 |
| 4972789 |
Mast for sailboats |
Nov. 27, 1990 |
| 4951589 |
Mainsail construction facilitating airflow thereover |
Aug. 28, 1990 |
| 4811678 |
Sailboat sail with a full-width, full-depth, horizontally outstanding shield located at an intermediate level |
Mar. 14, 1989 |
| 4803939 |
Slot-forming foil construction for sailing yachts |
Feb. 14, 1989 |
| 4669409 |
Wind ship propulsion system |
Jun. 2, 1987 |
| 4437425 |
Air flow direction indicator |
Mar. 20, 1984 |
| 4437426 |
Wing type air foil assembly |
Mar. 20, 1984 |
| 4344377 |
Sail craft |
Aug. 17, 1982 |
| 4122792 |
Aerodynamic device, particularly for sails |
Oct. 31, 1978 |
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