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Class Information
Number: 114/163
Name: Ships > Steering mechanism > Rudders > Multiple
Description: Steering mechanisms in which a plurality of rudders is used.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7370593 |
Windsurfing catamaran vessel |
May. 13, 2008 |
| 7316194 |
Rudders for high-speed ships |
Jan. 8, 2008 |
| 7144282 |
Contoured rudder maneuvering of waterjet propelled sea craft |
Dec. 5, 2006 |
| 6976444 |
Marine vessel propulsion and tubular rudder system |
Dec. 20, 2005 |
| 6951180 |
CBTF sailing yacht main engine drive system |
Oct. 4, 2005 |
| 6886485 |
Twin-rudder system for large ship |
May. 3, 2005 |
| 6880478 |
Two degree of freedom rudder/stabilizer for waterborne vessels |
Apr. 19, 2005 |
| 6549831 |
Rudder angle indicator system with active sector sensing |
Apr. 15, 2003 |
| 6523489 |
Personal watercraft and off-power steering system for a personal watercraft |
Feb. 25, 2003 |
| 6199499 |
Manually operated catamaran vessels, steering apparatus for such vessels and method of steering such vessels |
Mar. 13, 2001 |
| 6178907 |
Steering system for watercraft |
Jan. 30, 2001 |
| 6171159 |
Steering and backing systems for waterjet craft with underwater discharge |
Jan. 9, 2001 |
| 6047656 |
Retractable front rudders |
Apr. 11, 2000 |
| 6032602 |
Stabilizer for ocean going vessels and a stabilizer for other ocean going bodies, such as ships |
Mar. 7, 2000 |
| 6026759 |
Adjustable leveling fin rudder method and apparatus for powerboats |
Feb. 22, 2000 |
| 5592892 |
Multihull windsurfer |
Jan. 14, 1997 |
| 5488919 |
Canted rudder system for pitch roll and steering control |
Feb. 6, 1996 |
| 5445100 |
Dual rudder system for trimming planing-type hulls |
Aug. 29, 1995 |
| 5359956 |
Steering system for high performance powerboats |
Nov. 1, 1994 |
| 5313905 |
Twin wing sailing yacht |
May. 24, 1994 |
| 5247898 |
Water-ski board |
Sep. 28, 1993 |
| 5163377 |
Sailing yacht |
Nov. 17, 1992 |
| 5120249 |
Combination catamaran boat and cross water ski system |
Jun. 9, 1992 |
| 5094182 |
Enhanced ride plate and steering apparatus for jet drive watercraft |
Mar. 10, 1992 |
| 5088431 |
Sailing vessels |
Feb. 18, 1992 |
| 5058521 |
Submarine with keel wing for effectively countering tendency to snap roll in high speed turns while fully submerged |
Oct. 22, 1991 |
| 4996935 |
Stable racing catamaran with hydrofoil qualities |
Mar. 5, 1991 |
| 4979455 |
Control surfaces |
Dec. 25, 1990 |
| 4949662 |
Steering device for small sized jet propulsion boat |
Aug. 21, 1990 |
| 4919630 |
Inboard drive system for a marine craft |
Apr. 24, 1990 |
| 4895093 |
Manoeuvring device for boats |
Jan. 23, 1990 |
| 4890568 |
Steerable tail buoy |
Jan. 2, 1990 |
| 4860679 |
Ice breaker vessel |
Aug. 29, 1989 |
| 4831954 |
Fin tab device for marine vessels |
May. 23, 1989 |
| 4782779 |
Barge lattice skegs |
Nov. 8, 1988 |
| 4781633 |
Retractable drive mechanism for marine vessels |
Nov. 1, 1988 |
| 4771717 |
Rudder for a water vessel |
Sep. 20, 1988 |
| 4744776 |
Pedal craft |
May. 17, 1988 |
| 4683830 |
Ship's steering systems |
Aug. 4, 1987 |
| 4635577 |
Hydroplaning wing sailing craft |
Jan. 13, 1987 |
| 4584957 |
Multi-hull sailing vessel with variable lift |
Apr. 29, 1986 |
| 4571192 |
Self propelled spherical vehicle |
Feb. 18, 1986 |
| 4569302 |
Barge dagger skegs |
Feb. 11, 1986 |
| 4562784 |
Sailing craft |
Jan. 7, 1986 |
| 4561370 |
Recreational watercraft |
Dec. 31, 1985 |
| 4543898 |
Two hulled motor to sail convertible boat |
Oct. 1, 1985 |
| 4522142 |
Rudder-tiller control system for a boat |
Jun. 11, 1985 |
| 4493660 |
Ship having at least one propeller nozzle unit with rudder in optimum position |
Jan. 15, 1985 |
| 4480568 |
Propelled pontoon chair |
Nov. 6, 1984 |
| 4463699 |
Sailing craft |
Aug. 7, 1984 |
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