| Patents for B63H 1 - Propulsive elements directly acting on water (4,187) |
|---|
| 06/28/1988 | US4753574 Device for producing a directed fluid flow |
| 06/21/1988 | US4752258 Device for controlling a cycloid propeller for watercraft |
| 06/16/1988 | DE3740107A1 Power-driven water vessel and means of increasing the buoyancy as a function of the speed through the water |
| 06/15/1988 | EP0271039A2 Propulsion element for water-borne vessels |
| 06/07/1988 | US4748808 Fluid powered motor-generator apparatus |
| 06/01/1988 | DE3640285A1 Propulsion device for ships |
| 05/25/1988 | CN87214842U Equipment for anti-winding waterweeds on ship's propeller |
| 05/24/1988 | US4746314 Combined propulsion and steering system for a motor boat with an inboard engine |
| 05/19/1988 | WO1988003498A1 Marine propulsion apparatus |
| 05/18/1988 | EP0267372A1 Shape of the stern of a vessel |
| 05/17/1988 | US4744779 Outboard motor cavitation plate extension |
| 05/11/1988 | EP0266802A2 Ducted propeller |
| 05/04/1988 | CN87202096U Yacht driven by rocking chair |
| 05/03/1988 | US4741670 Propeller combination for a boat propeller unit |
| 03/30/1988 | CN87105375A 船舶 Shipping |
| 03/29/1988 | US4734067 Hydro-rotor |
| 03/15/1988 | CA1234017A1 Method and apparatus for reducing vibration |
| 02/18/1988 | DE3726895A1 Device for propelling a liquid for a liquid circuit |
| 02/16/1988 | CA1232796A1 Propulsion system for a water-borne vessel |
| 02/03/1988 | EP0255136A1 A screw propeller boss cap with fins |
| 02/03/1988 | CN87105745A Piston type propeller and its ship |
| 01/27/1988 | EP0254106A1 Propeller and coupling member |
| 01/21/1988 | EP0200749A4 Propellors for watercraft. |
| 01/13/1988 | EP0252733A1 A propulsion system for a water borne vessel |
| 01/12/1988 | CA1231274A1 Ring propeller |
| 12/16/1987 | CN86205761U Fin propeller |
| 12/01/1987 | CA1229765A1 Fluid contacting surfaces and devices incorporating such surfaces |
| 10/28/1987 | EP0243146A2 Marine seismic survey vessel |
| 10/20/1987 | CA1228389A1 Propeller bearing |
| 09/29/1987 | US4696651 Apparatus for a ship's propeller |
| 09/23/1987 | CN86100525A Rotary guide tube propelling device supported on rotating plate with guide opening |
| 09/08/1987 | US4692097 Propeller with removable and adjustable blades |
| 09/03/1987 | DE3606549A1 Method and device for producing (generating) a movement and for energy conversion |
| 08/26/1987 | CN86210524U Gyro-type continuous curved surface propeller |
| 08/25/1987 | US4688994 Watercraft propulsion device |
| 08/12/1987 | CN86108768A Parachute propelling submarine |
| 08/11/1987 | CA1225288A1 Linear propeller |
| 07/30/1987 | WO1987004400A1 Device at members forming part of a turbo machinery and a method of producing such members |
| 07/29/1987 | CN86100303A Water-powered navigation line |
| 07/22/1987 | EP0229124A1 Adjustable folding propeller. |
| 07/22/1987 | CN86108352A Parachute thruster and parachute-thrusting boat |
| 06/30/1987 | US4676758 Combined cutter and bypass for propeller |
| 06/09/1987 | US4671774 All terrain vehicle |
| 06/04/1987 | WO1987003263A1 Propeller |
| 05/20/1987 | CN86205311U 桨轮叶片 Paddle wheel blades |
| 05/13/1987 | EP0221536A2 Stern tube bearing system of contra-rotating propeller |
| 05/13/1987 | EP0221491A1 Device for controlling a cycloidal ship's propeller |
| 05/13/1987 | EP0221443A1 Method and arrangement for decreasing the rotational resistance of a ship's propeller |
| 05/12/1987 | US4664639 Tube Fisherman's foot fin |
| 05/12/1987 | US4664636 Elastic mounting for a cycloidal propeller |
| 04/22/1987 | EP0219463A1 A combined propulsion and steering system for a motor boat with an inboard engine |
| 04/22/1987 | EP0219364A1 Ship propellers |
| 04/14/1987 | US4657513 Transom bracket water deflector for improved boat performance |
| 04/01/1987 | EP0215985A1 Ship propulsion system |
| 03/25/1987 | EP0215758A1 Propeller combination for a boat propeller unit |
| 03/25/1987 | CN86104001A Fixed-moment air propeller |
| 03/10/1987 | US4648788 Device in fluid pressure generators |
| 02/17/1987 | US4643642 Multi-bladed propeller and shaft assembly |
| 02/12/1987 | DE3527927A1 Oscillating drive system |
| 02/10/1987 | US4642056 Recreational water craft |
| 01/28/1987 | EP0209522A1 Device for producing a directed liquid flow. |
| 01/28/1987 | CN86201339U Ship's propeller to is suited for shipping navigation in waters of multi-waterweeds |
| 01/24/1987 | CN85101081A Apparatus comprising a screw propeller of ship and a guide-wheel |
| 01/15/1987 | WO1987000140A1 Adjustable folding propeller |
| 01/07/1987 | EP0207867A1 Propeller or the like with joined blades |
| 01/02/1987 | DE3522509A1 Hand-operated watercraft - WAHARAD |
| 12/30/1986 | US4632636 Propeller with blades having regressive pitch |
| 12/23/1986 | US4631037 Pontoon vehicle |
| 12/02/1986 | US4626112 Propeller bearing |
| 11/20/1986 | EP0201500A1 A device in fluid pressure generators. |
| 11/19/1986 | CN85103966A Ship propulsion apparatus |
| 11/18/1986 | US4623299 Driving arrangement for watercraft |
| 11/12/1986 | EP0200749A1 Propellors for watercraft. |
| 10/15/1986 | CN85103046A Rotating blade propeller |
| 08/14/1986 | WO1986004648A1 Device for producing a directed liquid flow |
| 08/12/1986 | US4605376 Marine jet propulsion unit |
| 06/10/1986 | CA1205686A1 Marine craft |
| 04/24/1986 | WO1986002331A1 Propellors for watercraft |
| 04/08/1986 | CA1202832A1 Marine propeller with replaceable blade sections |
| 03/26/1986 | EP0175533A2 Multi-bladed propeller and shaft assembly |
| 03/25/1986 | US4578040 Fish line entering prevention device for marine propeller |
| 03/25/1986 | CA1202214A1 Method of manufacturing boat parts submerged when in use, and part produced by the method |
| 03/18/1986 | US4576581 Reversible Magnus propeller |
| 03/18/1986 | US4576580 Pedal powered watercraft |
| 03/11/1986 | US4575310 Propeller shock absorber for marine propulsion device |
| 02/26/1986 | CN85201492U Oar |
| 02/18/1986 | US4571192 Self propelled spherical vehicle |
| 02/04/1986 | US4568294 All-terrain vehicle |
| 02/04/1986 | US4568290 Lateral thrust drive for watercraft |
| 01/28/1986 | US4566855 Shock absorbing clutch assembly for marine propeller |
| 01/21/1986 | US4565531 Ship propulsion system |
| 01/21/1986 | US4565530 Reciprocating marine propulsion engine |
| 01/21/1986 | CA1199530A1 Gear case for marine propulsion device |
| 12/11/1985 | EP0163713A1 Method and apparatus for reducing vibration |
| 12/03/1985 | US4555835 Process for producing propellers |
| 11/21/1985 | WO1985005085A1 Propulsion device for ships |
| 11/13/1985 | EP0161198A1 Rotary spiral-screw floats for nautical craft or the like |
| 11/12/1985 | US4552538 Multidirectional amphibious safety vehicle |
| 11/12/1985 | US4552511 Propeller for marine propulsion device |
| 10/16/1985 | EP0158029A1 Surfboard |