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Class Information
Number: 114/39.15
Name: Ships > Sailboard and rig means therefor > With hydrofoil (e.g., keel, skeg, rudder, etc.)
Description: Subject matter wherein the buoyant hull is provided with a blade projecting downwardly into the water which creates a thrust against the water in a direction perpendicular to the plane approximated by the blade.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7370593 |
Windsurfing catamaran vessel |
May. 13, 2008 |
| 7285031 |
Fin systems |
Oct. 23, 2007 |
| 7108571 |
Method and apparatus for attaching a fin to a small watercraft |
Sep. 19, 2006 |
| 6916220 |
Removable fin system |
Jul. 12, 2005 |
| 6821173 |
Removable and adjustable surf fin system |
Nov. 23, 2004 |
| 6789489 |
Sailboat with gimbaled mast and keel |
Sep. 14, 2004 |
| 6767266 |
Stabilizing element for use on mobile devices |
Jul. 27, 2004 |
| 6746292 |
Bottom fin for a watersports board |
Jun. 8, 2004 |
| 6739925 |
Hydrodynamic device |
May. 25, 2004 |
| 6386933 |
Enhanced customizable surfboards with adjustable fins and methods for making the same |
May. 14, 2002 |
| 6379204 |
Stabilizing element for use on mobile devices |
Apr. 30, 2002 |
| 6139383 |
Fin assembly |
Oct. 31, 2000 |
| 6135837 |
Water sports board |
Oct. 24, 2000 |
| 6106346 |
Stabilizing fin for a water planing device |
Aug. 22, 2000 |
| 6032600 |
Weighted daggerboard stabilizer for wind surfing apparatus |
Mar. 7, 2000 |
| 5873588 |
Assembled sail powered vehicle |
Feb. 23, 1999 |
| 5809926 |
Lifting fin |
Sep. 22, 1998 |
| 5533462 |
Keel arrangement for sailboat hull |
Jul. 9, 1996 |
| 5471942 |
Hydrofoil sailboard with supercavitating canard hydrofoil |
Dec. 5, 1995 |
| 5409408 |
Sailboard with reciprocating fins and umbrella type rotary parafoil sail |
Apr. 25, 1995 |
| 5309859 |
Hydrofoil device |
May. 10, 1994 |
| 5280760 |
Sailing craft |
Jan. 25, 1994 |
| 5211123 |
Sailboard |
May. 18, 1993 |
| 5195444 |
Sailboard |
Mar. 23, 1993 |
| 5176091 |
Sailboard pontoon and mast rigging assembly |
Jan. 5, 1993 |
| 5148761 |
Daggerfin adjustable sailboard skeg |
Sep. 22, 1992 |
| 5143008 |
Sailboard |
Sep. 1, 1992 |
| 5133681 |
Frangible sailboard fin retaining member |
Jul. 28, 1992 |
| 5129344 |
Actuating mechanism |
Jul. 14, 1992 |
| 5048440 |
Sailing apparatus |
Sep. 17, 1991 |
| 5038698 |
Daggerfin adjustable sailboard skeg |
Aug. 13, 1991 |
| 5022337 |
Lift producing device exhibiting low drag and reduced ventilation potential and method for producing the same |
Jun. 11, 1991 |
| 4998494 |
Device for enhancing the buoyancy of sailboards and the like |
Mar. 12, 1991 |
| 4924791 |
Adjustable sailboard |
May. 15, 1990 |
| 4922845 |
Boom for a sailing device |
May. 8, 1990 |
| 4771723 |
Sailboard assembly having a foot-operable steering assembly |
Sep. 20, 1988 |
| 4753183 |
Double boom rigged windsurfer |
Jun. 28, 1988 |
| 4735163 |
Collapsible sail board |
Apr. 5, 1988 |
| 4730568 |
Waterborne craft |
Mar. 15, 1988 |
| 4715304 |
Hydrofoil marine apparatus |
Dec. 29, 1987 |
| 4708076 |
Water sport equipment |
Nov. 24, 1987 |
| 4708079 |
Flex wing apparatus with resilient couplings |
Nov. 24, 1987 |
| 4686921 |
Flex wing apparatus |
Aug. 18, 1987 |
| 4628853 |
Recreational watercraft |
Dec. 16, 1986 |
| 4539926 |
Board-like floating body |
Sep. 10, 1985 |
| 4508046 |
Wind surfing hydrofoil apparatus |
Apr. 2, 1985 |
| 4448142 |
Boom assembly for sailboard |
May. 15, 1984 |
| 4434737 |
Displacement, planing sailboard |
Mar. 6, 1984 |
| RE31167 |
Wind-propelled apparatus |
Mar. 8, 1983 |
| 4369724 |
Wingsail |
Jan. 25, 1983 |
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