| 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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| 04/19/1989 | EP0201500B1 A device in fluid pressure generators |
| 04/18/1989 | US4822307 Warning device for a watercraft provided with a plurality of marine propulsion engines |
| 03/28/1989 | US4815996 Marine propulsion and control arrangement |
| 03/28/1989 | CA1251693A1 Steering means for marine propulsion device |
| 03/22/1989 | EP0119229B1 Inflatable hull structures and demountable joint between elongated structural elements |
| 03/15/1989 | EP0306642A2 Transverse thruster for ships, particularly a bow thruster |
| 03/15/1989 | EP0230418B1 Steering gear for a yacht |
| 03/15/1989 | EP0139766B1 Turn controlling apparatus for z-type propulsion device |
| 03/14/1989 | US4811679 Marine automatic steering apparatus |
| 03/07/1989 | US4809631 Composite rudder seal |
| 02/28/1989 | US4808132 Marine drive apparatus |
| 02/28/1989 | US4807553 Retractable rudder for light-weight trolling motor propelled fishing boat |
| 02/28/1989 | US4807552 Small boat bow thruster |
| 02/09/1989 | WO1989000945A1 Marine power steering system |
| 02/07/1989 | US4802430 Composite rudder seal |
| 02/01/1989 | CN1030726A Spade-shaped balance rudder for ship in particular |
| 01/17/1989 | US4799163 Autopilot with adaptive weather adjustment for marine vessels |
| 01/11/1989 | EP0298077A1 Flap rudder and steering system |
| 12/29/1988 | DE3814943A1 Rudder, in particular balance profile rudder for watercraft |
| 12/29/1988 | DE3720268A1 Ice-going vessel |
| 12/15/1988 | WO1988009878A1 Adjustment assembly for valve spool and associated centering spring |
| 12/13/1988 | US4790255 Wind and boom direction indicating device |
| 12/06/1988 | CA1245915A1 Marine propulsion device power steering system |
| 11/29/1988 | US4787867 Trim tab actuator for marine propulsion device |
| 11/17/1988 | WO1988008809A1 Kick-up rudder assembly |
| 11/17/1988 | EP0290507A1 Manoeuvring device for boats. |
| 11/09/1988 | CN88201927U Ball leading screw driving manual oil pressure steering engine |
| 11/03/1988 | WO1988008390A1 Steering and manoeuvering system for water-borne vessels |
| 11/02/1988 | CN88101752A Operating device of ship driven by ducted propeller, water spraying or pumping means |
| 11/01/1988 | CA1243904A1 Rudder for ships travelling in ocean areas where there is an ice risk |
| 10/26/1988 | CN87214029U Contrary-turning paddle all-around traverse propeller |
| 10/19/1988 | EP0286895A1 Ship installation with the rudder propeller driven by a generally horizontal shaft line together with specific joints and propeller-shaft carriers thereto |
| 10/18/1988 | US4778416 Man-powered hydraulic steering system |
| 10/18/1988 | US4777980 Adjustment assembly for valve spool and associated centering spring |
| 10/11/1988 | US4777602 Digital autopilot controller for marine vessels |
| 10/11/1988 | US4776295 Boat flaps for controlling and steering a boat operating at low speeds |
| 10/05/1988 | EP0285060A1 Device for navigating ships propelled by rudder propellers, jets, pump jets and the like |
| 09/28/1988 | EP0284417A1 Wheel Drive |
| 09/28/1988 | EP0283730A1 Aerodynamic body surrounded with air or water |
| 09/27/1988 | US4773882 Hydraulic steering assembly for outboard engines |
| 09/27/1988 | US4773347 Boat steering device |
| 09/20/1988 | US4771717 Rudder for a water vessel |
| 09/14/1988 | EP0129810B1 Method of stabilizing a ship with a rudder |
| 09/13/1988 | CA1241873A1 Boat propeller drive unit |
| 09/06/1988 | US4768453 Watercraft |
| 09/01/1988 | DE3705285A1 Steering gear for ships |
| 08/30/1988 | US4766834 Marine automatic steering apparatus |
| 08/30/1988 | US4766833 Steering gear for a yacht |
| 08/23/1988 | US4765199 Quick connect cable coupler |
| 08/18/1988 | DE3713176A1 Sailing boat with winged keel |
| 08/16/1988 | CA1240565A1 Marine propulsion device power steering system |
| 08/10/1988 | EP0277737A2 Autopilot with adaptive weather adjustment for marine vessels |
| 08/10/1988 | EP0208747B1 Tiller extension hinge |
| 08/09/1988 | US4762079 Trim tab actuator for marine propulsion device |
| 08/03/1988 | EP0276545A2 Quick connect cable coupler |
| 07/28/1988 | WO1988005395A1 Flap rudder and steering system |
| 07/26/1988 | US4759732 Trim tab actuator for marine propulsion device |
| 07/26/1988 | US4759731 Control device for marine engine |
| 06/23/1988 | DE3643477A1 Pedal drive for small boats |
| 06/23/1988 | DE3642908A1 Watercraft |
| 06/14/1988 | CA1237950A1 Propeller assembly |
| 06/02/1988 | WO1988003891A1 Manoeuvring device for boats |
| 05/31/1988 | US4747359 Apparatus for controlling the turn of ship |
| 05/26/1988 | DE3731022A1 Sailing yacht, yawl, or the like |
| 05/24/1988 | US4746314 Combined propulsion and steering system for a motor boat with an inboard engine |
| 05/17/1988 | US4744777 Power steering system for marine propulsion device |
| 05/17/1988 | US4744776 Pedal craft |
| 05/17/1988 | US4744323 Helm steering gear |
| 05/17/1988 | US4744322 Remote steering system for marine propulsion crafts |
| 05/11/1988 | DE3734085A1 Schiffsantriebsvorrichtung mit servoeinrichtung Marine propulsion device with servo device |
| 05/11/1988 | CN85100414B Efficient jet boat |
| 05/10/1988 | US4743213 Self-halt device for water craft |
| 05/03/1988 | US4741713 Boat propeller drive unit |
| 04/28/1988 | DE3738230A1 Synchronous rudder for sailing ships, which swings into its optimum position relative to the ship's angle of heel synchronously when a steering action is initiated |
| 04/21/1988 | WO1988002719A1 Boat propeller |
| 04/13/1988 | EP0263650A2 The turning cord |
| 04/13/1988 | EP0263611A1 Improvements to marine drive apparatus |
| 04/13/1988 | CN87209963U Catamaran of reverse hull |
| 04/07/1988 | DE3632590A1 Propeller drive arrangement for ships with a flow guide positioned behind the screw propeller |
| 04/05/1988 | US4735165 Steering apparatus for boat |
| 03/22/1988 | US4732104 Bow thruster |
| 03/01/1988 | CA1233373A1 Attachment for sail vehicles to automatically compensate for varying wind pressure |
| 02/23/1988 | US4726311 Unit for supporting handle of watercraft |
| 02/23/1988 | CA1233219A1 System for controlling rotation of rotary mechanism in z-type propulsion apparatus |
| 02/17/1988 | CN87209395U Rudder with turbulent flow mechanism |
| 02/09/1988 | US4723501 Arrangement in a floating body for use during borehole-seismic measurements |
| 01/26/1988 | US4721469 To eliminate slack in a length of cord |
| 01/26/1988 | US4721052 Pedestal wheel steering system having universal self-adjusting idler |
| 01/19/1988 | CA1231768A1 Rotation control system for z-type propulsion apparatus |
| 01/07/1988 | EP0251565A2 Autopilot controller for marine vessels |
| 12/23/1987 | EP0250375A1 Helm steering gear |
| 12/17/1987 | DE3619998A1 Device for controlling water-craft |
| 12/08/1987 | US4711192 Rudder assembly |
| 12/02/1987 | EP0247273A1 Rudder for ships, particularly for heavy, not easily manoeuvrable yachts, with the shape of a cutter, for sailing-boats and for motor boats |
| 12/01/1987 | US4710141 Marine propulsion device power steering system |
| 11/19/1987 | WO1987006907A1 Ship's-vessel's rudder with reduced drag effected factors |
| 11/07/1987 | CN85203411U Hydraulic servo helm for small ships |
| 11/04/1987 | EP0243942A2 Hydrodynamic power-assisted steering means for boats |
| 10/27/1987 | CA1228510A1 Steering mechanism |
| 10/20/1987 | US4701141 Steering device for an outboard motor |