| Patents for B63H 23 - Transmitting power from propulsion power plant to propulsive elements (3,809) |
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| 05/12/1998 | US5749757 Impeller shaft journal for jet pump |
| 05/07/1998 | DE19746063A1 Shaft string bearing for drive coupling |
| 05/07/1998 | DE19645198A1 Cycloidal propeller for ship |
| 05/06/1998 | EP0635101B1 Electrically driven high speed pump |
| 05/06/1998 | CN1038241C System for lubricating of sealing unit of driving equipment of bi-concentric-opposite-rotating propellor |
| 04/21/1998 | US5741165 Marine propulsion system |
| 04/16/1998 | WO1998015453A1 Tractor pump jet |
| 04/15/1998 | EP0835206A2 Marine drive system |
| 04/10/1998 | CA2187605A1 Propeller |
| 04/02/1998 | WO1998013257A1 Universal marine drive apparatus and uses thereof |
| 03/25/1998 | EP0831026A2 Propulsion device |
| 03/24/1998 | US5730633 Marine propulsion system |
| 03/11/1998 | CN1176026A Linear motor compressor and its application in cooling system |
| 03/05/1998 | DE19637146A1 Gondola propelling system for ship or windmill |
| 03/04/1998 | CN1037594C Sealing unit of ship propeller with two concentric axles rotating in opposite direction |
| 03/03/1998 | US5722864 Marine propulsion system |
| 02/24/1998 | US5720635 Marine jet drive |
| 02/19/1998 | DE19632421A1 Impulse turbine for vehicle |
| 02/18/1998 | CN1037457C Device for cathode corrosin protection of ship shaft-tube seal |
| 02/10/1998 | US5716247 Bearing arrangement for marine transmission |
| 02/10/1998 | US5715728 Transmission device, especially a reversing gear for boats |
| 02/05/1998 | DE19630835A1 Drive device with diesel engine especially for ships etc |
| 02/03/1998 | US5713727 Multi-stage pump powered by integral canned motors |
| 02/03/1998 | US5713299 Submersible boat |
| 01/27/1998 | US5711742 Multi-speed marine propulsion system with automatic shifting mechanism |
| 01/21/1998 | EP0819333A1 Linear motor compressor and its application in cooling system |
| 01/20/1998 | US5709130 Transmission clutch |
| 01/20/1998 | US5709128 Reversing gear for boats |
| 01/14/1998 | CN2272413Y Ship Propeller hanging machine |
| 01/07/1998 | EP0816222A2 Watercraft propulsion unit |
| 01/07/1998 | CN2272001Y Manpower propeller |
| 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 |
| 12/23/1997 | US5700168 Electronic ignition interruption apparatus |
| 12/16/1997 | US5697821 Bearing carrier for outboard drive |
| 12/16/1997 | US5697820 Outboard marine propulsion system |
| 12/11/1997 | WO1997046445A1 Marine propulsion and steering unit |
| 12/10/1997 | EP0811551A2 Simplified propelling system with propeller drive integral to each other |
| 12/10/1997 | EP0811550A2 Drive means and a boat having drive means |
| 12/03/1997 | EP0810152A2 Bearing system for two contra-rotating shafts |
| 12/02/1997 | US5692992 Shift assist and engine interrupter apparatus |
| 11/25/1997 | US5690521 Transmission device, especially a reversing gear for boats |
| 11/25/1997 | US5690519 Underwater propulsive device |
| 11/20/1997 | WO1997043173A1 Marine propulsion system |
| 11/20/1997 | WO1997043169A1 Ship hull and vessel with such a hull |
| 11/20/1997 | CA2255125A1 Marine propulsion system |
| 11/18/1997 | US5688152 Marine drive unit with the primary shaft bearing mounted in the engine flywheel cover |
| 11/04/1997 | US5684690 Integrated electrical power supply system for propulsion and service control |
| 11/04/1997 | US5683278 Stern tube seal with a pressure control system to adjust to the changing draft of ocean-going ships |
| 10/29/1997 | EP0803657A1 Reversing bearing device for double reversing propeller |
| 10/23/1997 | WO1997039253A1 Partial arc bearing assembly and method of making the same |
| 10/23/1997 | WO1997038899A1 Grooved staved bearing assembly |
| 10/21/1997 | US5679045 Arrangement for transferring electric current to a propulsion device provided with an electric motor in a ship or equivalent |
| 10/21/1997 | CA2043546C Sealing device for a rotating propeller shaft of a ship |
| 10/02/1997 | DE19647106A1 Pretensioning device for sealing unit of stuffing box seal |
| 09/24/1997 | CN2263056Y Seal end cover for water lubricating trailing shaft sealing device |
| 08/27/1997 | EP0790922A1 Angle gearing, especially for a marine outboard drive unit |
| 08/20/1997 | EP0789658A1 A control device for achieving optimum use of the energy which is produced by a vessel's main energy source |
| 08/20/1997 | CN2260057Y Water-proof seal apparatus of shaft-tube of ship |
| 08/20/1997 | CN2260056Y Transmission apparatus for outboard propulsion power unit |
| 08/12/1997 | US5656376 Anti-fouling, cavitation resistance, vibration damping |
| 08/06/1997 | EP0787647A1 Device to reduce the sound emanating from the gear system of a ship propeller |
| 08/06/1997 | EP0669887B1 Compression washer assembly with line cutter for a boat propeller shaft |
| 07/30/1997 | EP0786402A2 Propeller unit in a gondola |
| 07/24/1997 | WO1997026183A1 Hub assembly for water jet propulsion unit |
| 07/24/1997 | DE19647948A1 Gondola propelling system for ship or windmill |
| 07/23/1997 | CN1154932A Seawave ship |
| 07/22/1997 | US5649844 Dual drive for power boats |
| 07/01/1997 | US5643026 Safety device for seal systems for propeller shafts on ships |
| 07/01/1997 | US5643025 Transmission lubrication system |
| 06/17/1997 | US5639098 Adjustable seal for propeller drive shaft |
| 06/17/1997 | CA2071197C Method and apparatus for power transmission to a surface driving propeller mechanism and use of a turbine between the driving engine and propeller mechanism |
| 06/05/1997 | WO1997013682A3 Ship drive with a driving engine and a directly driven propeller shaft |
| 06/03/1997 | US5634419 Front-drive boat |
| 05/28/1997 | EP0775630A1 Electric outboard drive system |
| 05/28/1997 | EP0775017A1 Agitator |
| 05/20/1997 | US5630704 Propeller drive sleeve with asymmetric shock absorption |
| 05/02/1997 | EP0770017A1 Floating seal for high rotational speed propeller shafts with integrated forced oil circulation generator and safety devices |
| 04/29/1997 | US5624290 Seal arrangement for propeller shafts of ships |
| 04/17/1997 | WO1997013682A2 Ship drive with a driving engine and a directly driven propeller shaft |
| 04/16/1997 | EP0676017B1 Bearing arrangement for heavy duty marine transmission |
| 04/10/1997 | DE19623914A1 Schiffsantrieb mit einer Antriebsmaschine und direkt angetriebener Propellerwelle Marine Drive with an engine and directly driven propeller shaft |
| 04/08/1997 | US5618211 Apparatus for and a method of controlling the speed of a ship |
| 03/20/1997 | WO1997003876A3 Marine drive system |
| 03/18/1997 | US5611718 Auxiliary propelling device |
| 03/06/1997 | WO1997008049A1 Variable extractor for ship and boat propellers |
| 02/26/1997 | EP0759394A1 Tractor pump jet |
| 02/24/1997 | CA2183835A1 Tractor pump jet |
| 02/19/1997 | EP0535100B1 An arrangement in connection with a swingable turn-up inboard/outboard stern aggregate for a craft |
| 02/06/1997 | WO1997003876A2 Marine drive system |
| 02/06/1997 | CA2226951A1 Marine drive system |
| 02/04/1997 | US5599215 Propeller drive system |
| 01/29/1997 | EP0603291B1 Transmission for boat motors |
| 01/28/1997 | US5597334 Outboard drive transmission system |
| 01/02/1997 | DE19624913A1 Boat propulsion system |
| 12/18/1996 | EP0666810B1 An internal combustion engine for propelling a ship and a flexible coupling for use therewith |
| 12/12/1996 | DE19520759A1 Transmission system for multiengined marine propulsion drive |
| 12/11/1996 | CN1137462A Apparatus for method of controlling speed of ship |