Class Information
Number: 114/166
Name: Ships > Steering mechanism > Rudders > Tubular
Description: Rudders of tubular shape through which the propeller forces a jet or through which water reacts to move the stern.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7066775 |
Propeller wash straightening device |
Jun. 27, 2006 |
| 6976444 |
Marine vessel propulsion and tubular rudder system |
Dec. 20, 2005 |
| 5795199 |
Propeller drive for watercraft |
Aug. 18, 1998 |
| 5697315 |
S-type marine rudder |
Dec. 16, 1997 |
| 4895093 |
Manoeuvring device for boats |
Jan. 23, 1990 |
| 4808132 |
Marine drive apparatus |
Feb. 28, 1989 |
| 4773347 |
Boat steering device |
Sep. 27, 1988 |
| 4694645 |
Propeller assembly |
Sep. 22, 1987 |
| 4493660 |
Ship having at least one propeller nozzle unit with rudder in optimum position |
Jan. 15, 1985 |
| 4310319 |
Steerable propeller |
Jan. 12, 1982 |
| 4048751 |
Remotely steered toy boat |
Sep. 20, 1977 |
| 4046097 |
Collar for redirecting propeller energy |
Sep. 6, 1977 |
| 3961591 |
Deflector rudders |
Jun. 8, 1976 |
| 3934538 |
Boat propulsion system |
Jan. 27, 1976 |
|
