| Patents for B63H 5 - Arrangements on vessels of propulsion elements directly acting on water (3,934) |
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| 11/17/1998 | US5836794 Retractable trolling motor housing for boat |
| 11/05/1998 | WO1998029303A3 Aircraft with a fuselage substantially designed as an aerostatic lifting body |
| 10/29/1998 | WO1998047760A1 Composite material and a method for the production thereof |
| 10/29/1998 | DE19717175A1 Wasserstrahlantrieb für ein Wasserfahrzeug Water jet propulsion system for a watercraft |
| 10/22/1998 | DE19716055A1 Propeller-driven boat |
| 10/14/1998 | EP0869899A1 Marine outdrive with surface piercing propeller and stabilizing shroud |
| 10/13/1998 | US5820425 Outboard drive lower unit |
| 10/07/1998 | EP0869056A1 Propeller tail for boats |
| 10/01/1998 | WO1998042564A1 Propeller guard |
| 10/01/1998 | DE19720865C1 Scoop wheel for sea-going water-craft |
| 09/30/1998 | EP0867361A2 Nautical propulsor with ducted rotor propeller |
| 09/30/1998 | EP0866763A1 Propeller configuration for sinusoidal waterline ships |
| 09/22/1998 | US5810289 High velocity propeller |
| 09/16/1998 | EP0863837A1 Retractable screw with rotational locking means for a ship or boat |
| 09/16/1998 | EP0863834A1 Tugboat having azimuthal propelling units |
| 09/16/1998 | CN2291374Y Labyrinth cutting axial system anti-winding device |
| 09/16/1998 | CN2291373Y Counter-rotative type propeller front-rear mounted guide propulsive device |
| 09/15/1998 | US5807151 Propeller for marine propulsion drive |
| 09/15/1998 | US5807150 Blade system for marine motors |
| 09/15/1998 | US5807149 Airboat systems and methods for increasing engine efficiency while reducing torque and noise |
| 09/08/1998 | US5803776 Partially immersible propeller |
| 09/03/1998 | WO1998038085A1 Differential multipropeller system |
| 09/03/1998 | DE19805483A1 Procedure for guiding relatively wide ship through ice field |
| 09/02/1998 | CN1191831A Icebreaking method and icebreaker |
| 09/01/1998 | US5800224 Splash and anti-cavitation plate for marine drive |
| 09/01/1998 | US5800223 Marine propulsion device |
| 09/01/1998 | US5799394 Method of making a marine speed nozzle |
| 08/18/1998 | US5795200 Contra-rotating rotor unit |
| 08/18/1998 | US5795199 Propeller drive for watercraft |
| 08/11/1998 | US5791954 Vertically adjustable stern mounted marine drive |
| 08/11/1998 | US5791951 Clutch controller for a twin propeller marine propulsion unit |
| 08/11/1998 | US5791950 Twin propeller marine propulsion unit |
| 08/04/1998 | US5788546 Shift assistor for marine transmission |
| 07/30/1998 | WO1998032652A1 Propulsion device for a vessel |
| 07/28/1998 | US5785564 Water craft with a hydrofoil-bladed wheel assembly |
| 07/23/1998 | DE19747561A1 Water jet system with free-supporting booms for inlet grid |
| 07/21/1998 | US5782660 Watercraft propulsion system |
| 07/16/1998 | WO1998030440A1 Steering and/or propulsion device for a vessel |
| 07/15/1998 | EP0852551A1 Propulsion and steering unit for a vessel |
| 07/09/1998 | WO1998029303A2 Aircraft with a fuselage substantially designed as an aerostatic lifting body |
| 07/09/1998 | WO1998029300A1 Marine propeller unit |
| 07/09/1998 | DE19700182A1 Luftfahrzeug mit einem im wesentlichen als aerostatischem Auftriebskörper ausgebildeten Rumpf Aircraft with a trained as aerostatic lift body essentially Hull |
| 07/09/1998 | CA2276876A1 Aircraft with a fuselage substantially designed as an aerostatic liftin g body |
| 07/08/1998 | EP0675822B1 Propeller drive system |
| 07/08/1998 | CN2285752Y Propeller guide fin |
| 06/30/1998 | US5772481 Skeg construction for a marine propulsion unit |
| 06/16/1998 | US5766048 Exhaust system for outboard drive |
| 06/16/1998 | US5766047 Twin propeller marine propulsion unit |
| 06/02/1998 | US5759075 Propeller guard |
| 06/02/1998 | US5759073 For a watercraft |
| 05/28/1998 | WO1998022329A1 Device for exploiting surrounding mattercurrent |
| 05/28/1998 | DE19648417A1 Double-propeller drive for water vessel |
| 05/28/1998 | DE19640481C1 Ship's control device |
| 05/26/1998 | US5755605 Propeller drive unit |
| 05/20/1998 | CN2281946Y 360 degree full rotary pair rotation oar hanging machine |
| 05/19/1998 | US5752865 Ship |
| 05/14/1998 | WO1998019907A1 Dual propeller propulsion system for a water craft |
| 05/13/1998 | EP0841502A1 Mechanism for reciprocating swivelling movement of objects rotating about a common shaft. |
| 05/06/1998 | CN1038241C System for lubricating of sealing unit of driving equipment of bi-concentric-opposite-rotating propellor |
| 04/15/1998 | EP0835206A2 Marine drive system |
| 04/02/1998 | WO1998013257A1 Universal marine drive apparatus and uses thereof |
| 04/02/1998 | WO1998013256A1 Improvement in water craft having ventilated propeller |
| 03/25/1998 | EP0831026A2 Propulsion device |
| 03/17/1998 | US5727381 Duct flow control system |
| 03/10/1998 | US5725402 Wireless marine propulsion trim/tilt control system |
| 03/05/1998 | DE19637146A1 Gondola propelling system for ship or windmill |
| 03/04/1998 | EP0825948A1 Vane arrangement for a marine vessel |
| 03/03/1998 | US5722866 Propulsion arrangement for a marine vessel |
| 02/25/1998 | EP0824449A1 Method of optimizing the efficiency of ships with bow and stern propellers and arrangement for adjusting the speed of rotation of the bow propeller |
| 02/10/1998 | US5716247 Bearing arrangement for marine transmission |
| 01/27/1998 | US5711742 Multi-speed marine propulsion system with automatic shifting mechanism |
| 01/27/1998 | US5711239 Propeller configuration for sinusoidal waterline ships |
| 01/21/1998 | CN2272870Y 喷水推进器 Waterjets |
| 01/14/1998 | CN2272414Y Propeller of ship |
| 01/14/1998 | CN2272413Y Ship Propeller hanging machine |
| 01/07/1998 | EP0816221A2 Propulsion device for an ice-going vessel |
| 01/06/1998 | US5704308 For use with a boat |
| 01/06/1998 | US5704306 Stern screw for a vessel as well as a vessel provided with such a stern screw |
| 01/02/1998 | DE19627323A1 Gondelartig anzuordnender Schiffsantrieb mit Synchronmotor Gondola-like to be arranged ship driven by a synchronous motor |
| 12/31/1997 | WO1997049605A1 Pod-like ship propulsion system with synchronous motor |
| 12/31/1997 | WO1997049604A1 Differential drive for a ship having two ship's screws |
| 12/30/1997 | US5702273 Marine propulsion system for underwater vehicles |
| 12/28/1997 | CA2208935A1 Propulsion device for an ice-going vessel |
| 12/24/1997 | WO1997048597A1 Power boats |
| 12/16/1997 | US5697821 Bearing carrier for outboard drive |
| 12/16/1997 | US5697315 S-type marine rudder |
| 12/11/1997 | WO1997046445A1 Marine propulsion and steering unit |
| 12/10/1997 | EP0586511B1 Propulsive thrust ring system |
| 11/20/1997 | WO1997043173A1 Marine propulsion system |
| 11/20/1997 | CA2255125A1 Marine propulsion system |
| 11/13/1997 | DE19618247A1 Propeller drive for marine vessel |
| 11/11/1997 | US5685253 Reduced drag stable Vee bottom planing boat |
| 11/06/1997 | WO1997041029A1 Propeller tail for boats |
| 11/05/1997 | CN1164212A Contra-rotating rotor unit |
| 10/29/1997 | EP0803657A1 Reversing bearing device for double reversing propeller |
| 10/23/1997 | WO1997038898A1 Vessel having propeller working in open wide area |
| 10/22/1997 | CN1162551A high speed vessel with propellor acting on water surface |
| 10/21/1997 | US5679037 For a watercraft |
| 10/07/1997 | US5673643 Hydrofoil accessory for marine propulsion device |
| 10/02/1997 | DE19715585A1 Boat propeller flow system |