| Patents for B63H 25 - Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements (4,728) |
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| 09/22/1981 | US4290760 Maneuvering device for sailing boats |
| 09/16/1981 | EP0035859A2 Ship maneuvering gear |
| 09/16/1981 | EP0035858A2 Ship maneuvering gear |
| 09/16/1981 | EP0035600A1 A device for steering a ship |
| 09/15/1981 | US4289488 Stern drive gimbal arrangement |
| 09/15/1981 | US4289222 Engine-clutch control interlock system |
| 09/08/1981 | US4287845 Sailboat having multiple hulls |
| 09/01/1981 | US4286536 Removable rudder assembly |
| 08/18/1981 | US4284025 Rudder arrangement for ships |
| 08/12/1981 | EP0033322A1 A rudder arrangement for boats and ships. |
| 08/11/1981 | US4283179 Detachable jet propulsion unit for water craft and method of cyclic propulsion |
| 08/04/1981 | CA1106241A1 Rudder construction for vessels |
| 07/28/1981 | US4280433 Underwater appendages for vessels |
| 07/14/1981 | US4278431 Hydro-jet propulsion device for driving and controlling of particularly flat-bottomed watercrafts |
| 07/14/1981 | US4278040 Braking rudder device |
| 07/07/1981 | US4276851 Underwater cruise device |
| 06/30/1981 | CA1103998A1 Stern braking device |
| 06/23/1981 | US4274827 Propulsion system for a marine vessel |
| 06/23/1981 | CA1103525A1 Marine steering system torque-limiting device for preventing failure of rotatable flexible shaft used therein |
| 06/23/1981 | CA1103524A1 Device for rotationally driving and steering a screw- rudder for a floating vehicle |
| 06/16/1981 | EP0023507A4 Sailing vessel self steerer. |
| 06/09/1981 | US4271780 Apparatus for maneuvering a ship |
| 05/19/1981 | CA1101279A1 Steerable towed vehicle |
| 05/12/1981 | US4266497 Marine steering arrangement |
| 05/12/1981 | US4266440 Steering unit |
| 05/05/1981 | US4265192 Auxiliary hydraulic maneuvering system for small boats |
| 04/21/1981 | US4262619 Sailboat hiking stick and stabilizing clip |
| 04/21/1981 | US4262618 Remote control steering attachment for a steering wheel |
| 04/16/1981 | WO1981000992A1 Ejection and orientation combined device of the water jet used for the proportion of a vessel |
| 03/31/1981 | CA1098384A1 Screw propeller with no shaft boss and ship thruster using such screw propeller |
| 03/31/1981 | CA1098382A1 Steering system |
| 02/19/1981 | WO1981000389A1 Modification on a rudder for boats and ships |
| 02/11/1981 | EP0023507A1 Sailing vessel self steerer |
| 02/05/1981 | WO1981000242A1 Propulsion means for a vehicle capable of floating,in particular an amphibious |
| 02/05/1981 | WO1981000241A1 Half-submerged sailing propulsive pedestal for ship |
| 01/13/1981 | US4244316 Marine vessel safeguard steering mechanism |
| 01/07/1981 | EP0021732A1 Hydraulic steering gear for ships |
| 01/07/1981 | EP0020762A1 Steering and propulsion means in vessels. |
| 01/06/1981 | US4242979 Screw propeller with no shaft boss and ship thruster using such screw propeller |
| 12/30/1980 | US4241684 Tiller steering lock |
| 12/23/1980 | CA1091986A1 Reversing of water craft having steerable drive power generators |
| 12/09/1980 | US4237808 Stern braking device |
| 12/02/1980 | CA1090906A1 Adaptive autopilot for marine vessels |
| 11/18/1980 | CA1089987A1 Rudder error detector |
| 11/04/1980 | US4231310 Remote control unit |
| 11/04/1980 | US4231309 Rudders for boats, particularly for pleasure boats |
| 11/04/1980 | US4231308 Sailing vessel self steerer |
| 10/28/1980 | US4230295 Device to support rudders and trailing edge flaps of aircraft and watercraft |
| 10/21/1980 | US4228757 Boat steering assembly |
| 10/21/1980 | US4228756 Catamaran tiller-crossbar connector |
| 10/21/1980 | CA1087928A1 Flap rudder |
| 09/30/1980 | US4225148 Steering systems |
| 09/23/1980 | US4223625 Outboard thruster for boats |
| 09/17/1980 | EP0015844A1 Method and apparatus for automatically taking bearings on board a vehicle fitted with radar |
| 09/02/1980 | US4220111 Drive and control device for watercraft or the like having at least one pair of steerable propellers |
| 09/02/1980 | US4220107 Wind controlled self-steering mechanism |
| 08/26/1980 | US4218986 Boat rudder accessory |
| 08/12/1980 | US4217609 Adaptive predictive coding system for television signals |
| 08/12/1980 | CA1083431A1 Device for mounting a screw-rudder on a floating vehicle |
| 08/07/1980 | WO1980001556A1 Sailing vessel self steerer |
| 07/29/1980 | US4214544 Boat thruster |
| 07/15/1980 | CA1081552A1 Self-steering apparatus for sailboats |
| 07/08/1980 | US4211180 Compensating trolling fin |
| 07/01/1980 | US4209991 Dynamic positioning of sea thermal power plants by jet propulsion |
| 07/01/1980 | US4209986 Method of and apparatus for auxiliary control of fluid operated steering apparatus for ships, boats and the like |
| 06/26/1980 | WO1980001341A1 Tight jack for automatic steering of a boat |
| 06/24/1980 | US4208978 Lateral thruster for a water vessel |
| 06/17/1980 | CA1079583A1 Steering and propulsion means for ships or other vessels |
| 05/28/1980 | EP0011125A1 Transmission assembly for driving the hydraulic pump of a boat steering mechanism |
| 05/27/1980 | US4204584 Fluid supply system for auxiliary power steering having pressure storage means |
| 05/20/1980 | US4203380 Rudder assembly |
| 05/15/1980 | WO1980000948A1 Steering and propulsion means in vessels and method of installing same |
| 05/06/1980 | US4201146 Device for relieving the rudder shaft in ships |
| 04/22/1980 | CA1075977A1 Barge dagger skegs |
| 03/20/1980 | WO1980000506A1 Monitoring device of a rudder control unit |
| 03/18/1980 | US4193432 Self-steering apparatus for ships |
| 03/18/1980 | CA1073755A1 Water craft e.g. tugs |
| 02/21/1980 | WO1980000242A1 Rudder position digital indicator |
| 02/19/1980 | US4188904 Tiller minder |
| 01/08/1980 | US4182219 Hydraulic control system for two operating cylinders |
| 01/01/1980 | US4181032 Steering gear |
| 12/18/1979 | US4178869 Combined removable tiller extension holding and controlling device for watercraft |
| 11/27/1979 | US4175511 Tugboat or the like |
| 11/13/1979 | US4173937 Remotely actuated marine steering system |
| 11/13/1979 | CA1066140A1 Method and apparatus for installing a marine propulsion device |
| 10/30/1979 | CA1065198A1 Dual cable steering system |
| 10/16/1979 | US4170953 Detachable automatic pilot for wheel-steered boats |
| 10/16/1979 | CA1064330A2 Dual cable steering system |
| 09/18/1979 | CA1062553A1 Variable ratio helm |
| 09/11/1979 | CA1062091A1 Under-water appendages for vessels |
| 08/28/1979 | US4165704 Self steering device for sea craft |
| 08/28/1979 | US4165701 Sea-going craft |
| 07/26/1979 | WO1979000447A1 Automatic steering means for ships |
| 07/24/1979 | US4161892 Steering-wheel rim |
| 05/01/1979 | US4151807 Control wheel for outboard electric trolling motor |
| 04/24/1979 | US4150914 Propeller blades |
| 04/17/1979 | CA1052631A1 Rudder assembly |
| 04/03/1979 | US4147125 Steering and propulsion means for ships or other vessels |
| 03/27/1979 | CA1051279A1 Seal and isolation mounting system |
| 03/27/1979 | CA1051176A1 Device for mounting and dismantling of a submerged propeller unit |