| Patents for B63H 21 - Use of propulsion power plant or units on vessels (6,542) |
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| 04/15/2009 | EP2046632A1 A silencer, a marine vessel and a method of silencing a marine exhaust |
| 04/15/2009 | CN201220746Y Cooling apparatus for cooling circulating water of glass fibre reinforced plastic ship internal-combustion engine |
| 04/15/2009 | CN201220744Y Straight wing cycloid thruster with stepping motor as controlling mechanism |
| 04/14/2009 | US7517266 Method and device for discharging exhaust gases of internal combustion engine of boats into the water surrounding the boats |
| 04/14/2009 | US7517265 Outboard motor |
| 04/14/2009 | US7517264 Power boat drive system with multiple gearboxes |
| 04/09/2009 | US20090093175 Water jet propulsion boat |
| 04/09/2009 | DE102007044496A1 Schmierstoffabstreifer sowie Gleitlageranordnung mit einem derartigen Schmierstoffabstreifer Schmierstoffabstreifer and slide bearing assembly having such Schmierstoffabstreifer |
| 04/07/2009 | US7513812 Marine engine |
| 04/07/2009 | US7513811 Idle exhaust structure for outboard motor |
| 04/07/2009 | US7513807 Operation control system for planing boat |
| 04/02/2009 | DE102007031056B4 Verfahren zur Regelung von Schiffantriebsanlagen mit Oberflächenpropellern The method for controlling marine propulsion systems with surface propellers |
| 04/01/2009 | CN100473581C Gas supply arrangement of a marine vessel and method of providing gas in a gas supply arrangement of a marine vessel |
| 03/31/2009 | US7510449 Boat steering system |
| 03/25/2009 | EP2038170A2 Marine vessel power generation system |
| 03/25/2009 | CN201211927Y Heavy-duty gear rotary type liftable all rotary propeller |
| 03/19/2009 | US20090075534 Tiller arm |
| 03/19/2009 | US20090075533 Watercraft |
| 03/19/2009 | US20090075532 Boat propulsion unit |
| 03/17/2009 | US7503819 Closed cooling system for a marine engine |
| 03/12/2009 | WO2009030807A2 Arrangement and method for improving load response in a marine vessel |
| 03/12/2009 | WO2008152227A3 High-power, low-cost quiet-operation motor-reducer |
| 03/12/2009 | DE102007004527B4 Elektrisches Gleichstromnetz für Wasserfahrzeuge sowie für Offshoreanlagen DC electrical power for marine propulsion and offshore installations |
| 03/11/2009 | EP2032428A1 Fuel system for gas driven vessel |
| 03/10/2009 | US7500890 Method and apparatus for controlling a waterjet-driven marine vessel |
| 03/10/2009 | CA2400012C Exhaust structure of exhaust system for a small boat |
| 03/05/2009 | WO2009026663A1 A system for remotely controlling and monitoring crafts |
| 03/05/2009 | DE102004049615B4 Motorwasserfahrzeug Powered watercraft |
| 03/04/2009 | EP2029421A1 A marine vessel |
| 03/04/2009 | CN201201713Y Vertical type hydraulic power unit of adjustable propeller for ship |
| 03/04/2009 | CN101376431A Method for mounting main unit with resilient support |
| 03/04/2009 | CN101376430A Steam turbine vessel |
| 03/04/2009 | CN100465067C A method and an apparatus for controlling ships |
| 03/03/2009 | US7497751 Alternative cooling path system for a marine propulsion device |
| 03/03/2009 | US7497750 Water cooling device for outboard motor |
| 03/03/2009 | US7497749 Outboard motor engine |
| 03/03/2009 | US7497748 Boat control system with return to center steering command |
| 03/03/2009 | US7497747 Control system for propulsion unit |
| 03/03/2009 | US7497746 Method and system for steering watercraft |
| 03/03/2009 | US7497180 Gas supply arrangement of a marine vessel and method of providing gas in a gas supply arrangement of a marine vessel |
| 02/25/2009 | CN201198371Y Step speed regulating control device for electric ship |
| 02/24/2009 | US7494394 Watercraft speed control device |
| 02/24/2009 | US7494393 Watercraft speed control device |
| 02/24/2009 | US7494390 Action control device for small boat |
| 02/19/2009 | WO2009022050A1 Machinery arrangement of a marine vessel |
| 02/19/2009 | WO2009021559A1 Solar-hybrid catamaran boat |
| 02/19/2009 | WO2009021522A1 Efficiency optimizing propeller speed control for ships |
| 02/19/2009 | WO2009021334A1 Propulsion system and method for a cable ferry |
| 02/19/2009 | US20090047849 Marine engine exhaust system with cooling arrangement |
| 02/19/2009 | US20090047848 Control device for sailboats |
| 02/19/2009 | DE202008016040U1 Antriebssystem für ein Schiff Propulsion system for a ship |
| 02/19/2009 | CA2694877A1 Propulsion system and method for a cable ferry |
| 02/18/2009 | EP2025592A2 Control device for sailboats |
| 02/18/2009 | CN101369767A Underwater integrated electric motor thruster |
| 02/17/2009 | US7491104 Watercraft speed control device |
| 02/17/2009 | CA2410207C Personal watercraft |
| 02/12/2009 | US20090042465 Dual propulsion steering and control system for watercraft |
| 02/12/2009 | US20090042463 Small Planing Boat |
| 02/12/2009 | US20090042461 Watercraft with selectively retractable and stowable propulsion device |
| 02/12/2009 | US20090042459 Control device for marine engine |
| 02/10/2009 | CA2407397C Improved marine engine silencer |
| 02/05/2009 | WO2009016313A2 Power unit for a ship |
| 02/05/2009 | US20090036005 Universal electrical linear motor propulsion system and method |
| 02/05/2009 | CA2694204A1 Power unit for a ship |
| 02/04/2009 | CN201189954Y Sealing apparatus at lifting position of full rotary electric propeller with expansion under water for boat |
| 02/04/2009 | CN101357684A No-steering gear electric-machine directly-driven advancing electric ship |
| 02/04/2009 | CN101357683A Electric ship using various energy sources |
| 02/04/2009 | CN100457547C Ship and use method thereof |
| 02/03/2009 | US7485021 Watercraft speed control device |
| 02/03/2009 | US7485019 Molded motor silencing system having a vibro-acoustic material |
| 02/03/2009 | CA2638455A1 Bidirectional wireless controls for marine devices |
| 01/29/2009 | US20090030567 Control device for watercrafts |
| 01/29/2009 | US20090029609 Fresh water flushing system for boat engines |
| 01/29/2009 | DE102007031056A1 Verfahren zur Regelung von Schiffantriebsanlagen mit Oberflächenpropellern The method for controlling marine propulsion systems with surface propellers |
| 01/29/2009 | DE102005001817B4 Motorwasserfahrzeug mit einer Steuereinrichtung Powered watercraft with a control device |
| 01/28/2009 | EP2019036A2 Control device for watercrafts |
| 01/28/2009 | CN201188184Y Non-encoded keyboard/LED display interface for craft embedded microcontroller |
| 01/28/2009 | CN201186748Y Main unit hydraulic lateral brace |
| 01/28/2009 | CN101355288A Magnetic pump ship |
| 01/28/2009 | CN101355272A Magnetic energy ship |
| 01/27/2009 | US7482767 Regenerative motor propulsion systems |
| 01/27/2009 | US7481262 Keel cooler with fluid flow diverter |
| 01/27/2009 | CA2637580A1 Control device for watercrafts |
| 01/21/2009 | CN101351381A Method for operating an energy system of a ship and energy system suitable therefore |
| 01/21/2009 | CN101348167A Steering system of multi-drive speedboat |
| 01/21/2009 | CN100453403C United system of pulsion, power supply, steam supply of fuel gas-steam power of giant shipping |
| 01/20/2009 | US7479048 Cooling system for stern drive |
| 01/20/2009 | CA2520068C Internal combustion engine for small-sized planing boat |
| 01/15/2009 | US20090013691 Phase change material thermal power generator |
| 01/14/2009 | EP2013078A1 Steering system for a marine vessel |
| 01/14/2009 | CN101344767A Non-encoded keyboard and display interface of watercraft embedded micro-controller |
| 01/14/2009 | CN101342939A Propelling device of self-moving carrier on water surface and control method thereof |
| 01/14/2009 | CN101342938A Built-in propulsion control device of middle and small electric propulsion watercraft and control method thereof |
| 01/14/2009 | CN101342937A Propulsion system and navigation control method for ship |
| 01/13/2009 | US7476136 Exhaust valve for two-stroke engine |
| 01/13/2009 | CA2464179C Engine control unit |
| 01/08/2009 | US20090011665 Electronic control apparatus for driving a boat |
| 01/07/2009 | EP2011732A1 Method for regulating ship transmission systems with surface propellers |
| 01/07/2009 | CN201176259Y Installation and adjustment device for marine engine |
| 01/07/2009 | CN101337580A Quick clamping mechanism of propeller for ship |