| Patents for B63H 21 - Use of propulsion power plant or units on vessels (6,542) |
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| 04/13/1999 | CA2182348C Exhaust passage structure of outboard motor unit |
| 04/07/1999 | CN1213482A System and method for transmitting information for amphibious traveling vehicle and system for controlling operation of the vehicle |
| 04/06/1999 | US5892338 Radio frequency remote control for trolling motors |
| 04/06/1999 | CA2131346C Jet pump exhaust system |
| 03/23/1999 | US5885122 Watercraft exhaust control system |
| 03/17/1999 | EP0901449A1 Marine propulsion and steering unit |
| 03/17/1999 | EP0792234A4 Marine engine mounting system |
| 03/16/1999 | US5881555 Exhaust pressure pulsation control apparatus for marine propulsion system |
| 03/09/1999 | US5879211 Watercraft component layout |
| 03/09/1999 | US5879207 Single engine dual propeller water craft |
| 02/23/1999 | US5873347 Fuel supply system for an engine powering an outboard motor |
| 02/23/1999 | US5873322 Engine start system for a small boat |
| 02/18/1999 | WO1999007983A1 Marine engine silencing apparatus and method |
| 02/18/1999 | WO1999007804A2 Method for storing energy in the form of thermal energy by means of high-temperature accumulators |
| 02/18/1999 | DE19735514A1 Pedal powered raft accommodating bicycle |
| 02/18/1999 | DE19734733A1 Verfahren zum Antriebstromnetz unabhängiger Land-, Wasser-, Luft- und Raumfahrzeuge durch Hochtemperatur-Akkumulatoren A method of driving current network of independent land, sea, air and space vehicles by high-temperature accumulators |
| 02/04/1999 | DE19834736A1 Service ship propulsion system |
| 02/03/1999 | CN2306187Y Solar electric pleasure-boat |
| 01/27/1999 | EP0893932A1 System and method for transmitting information for amphibious traveling vehicle and system for controlling operation of the vehicle |
| 01/27/1999 | EP0789658B1 A control device for achieving optimum use of the energy which is produced by a vessel's main energy source |
| 01/26/1999 | US5863231 Underwater exhaust system for marine engine |
| 01/26/1999 | US5863230 For rendering a watercraft propulsion system universal |
| 01/26/1999 | CA2182838C Exhaust structure of outboard motor |
| 01/14/1999 | DE19729573A1 Pressure and reaction body |
| 01/12/1999 | US5859517 Trolling motor controller |
| 01/12/1999 | US5857880 Marine drive for a watercraft |
| 01/07/1999 | EP0888962A2 Propulsion unit |
| 01/05/1999 | US5855495 Exhaust gas cleaning device of outboard motor unit |
| 12/29/1998 | US5853308 Engine and exhaust system for watercraft |
| 12/29/1998 | US5853306 Operation of marine engines |
| 12/23/1998 | EP0885365A1 Method in the utilization of boil-off from liquid gas and apparatus for carrying out the method |
| 12/15/1998 | US5848921 Power driven vessel having propelling power mounting apparatus |
| 12/08/1998 | US5848369 Resilient compensator and manual override apparatus and method for electronic control system |
| 12/08/1998 | US5846107 Marine engine noise suppressor |
| 12/08/1998 | US5846106 Outboard motor mounting |
| 12/01/1998 | US5842895 Trolling motor mounting means |
| 11/24/1998 | US5839930 Engine lubricating system for watercraft |
| 11/17/1998 | US5837933 Corrosion proof kill switch |
| 11/10/1998 | US5833503 Bottom well and sea water piping system for vessels |
| 11/10/1998 | US5833501 Jet propelled watercraft |
| 11/03/1998 | US5830023 Mini fresh water flushing device |
| 11/03/1998 | US5830022 Catalytic exhaust system for watercraft |
| 11/03/1998 | US5830020 Bicycle floatation and transportation device and method |
| 10/27/1998 | US5827096 Watercraft exhaust control |
| 10/27/1998 | US5827095 Mount structure for supporting an electric apparatus on a ground base |
| 10/21/1998 | CN1040310C Ships, especially commercial ships |
| 10/20/1998 | US5823835 Outboard motor throttle control |
| 10/20/1998 | US5822985 Exhaust passage structure of outboard motor unit |
| 10/13/1998 | US5820426 Exhaust system for personal watercraft |
| 10/07/1998 | EP0868344A1 Seawater and exhaust system in an engine installation in a boat |
| 10/07/1998 | CA2201976A1 Vehicle for water and snow |
| 10/06/1998 | US5816869 Propeller for varying the exhaust length |
| 09/29/1998 | US5813888 System for flushing a watercraft engine cooling system |
| 09/22/1998 | US5809924 Clutch controlled steering device |
| 09/22/1998 | CA2125071C Trolling motor mount clutch slip joint |
| 09/15/1998 | US5809436 For a power boat |
| 09/15/1998 | US5807151 Propeller for marine propulsion drive |
| 09/15/1998 | US5807148 Portable apparatus for using bicycles as a type of watercraft |
| 09/08/1998 | US5803774 Integrated system for land and water recreation |
| 09/03/1998 | WO1998038086A1 Valve arrangement |
| 08/27/1998 | DE19703881A1 Platform for installation of esp. ship machinery in workshop environment |
| 08/25/1998 | US5797778 Mounting arrangement for marine propulsion engine |
| 08/25/1998 | US5797777 Outboard motor control |
| 08/25/1998 | US5797776 Vibration reduction system for an outboard motor |
| 08/25/1998 | US5797775 Engine control system for a watercraft |
| 08/25/1998 | US5797339 Optical remote control for trolling motors and method of control |
| 08/18/1998 | US5794559 Fuel tank |
| 08/11/1998 | US5791952 Apparatus for directing boat exhaust fumes |
| 08/11/1998 | US5791276 Ski rider controls |
| 08/04/1998 | US5788547 Exhaust pipe cooling system for watercraft |
| 07/30/1998 | WO1998032647A1 Fuel tank |
| 07/29/1998 | EP0730545B1 Drive unit for boats |
| 07/28/1998 | US5785562 Method for trimming of a boat propeller drive and drive unit with means for performing the method |
| 07/22/1998 | EP0853577A1 Ship drive with a driving engine and a directly driven propeller shaft |
| 07/21/1998 | US5782659 Control for watercraft |
| 07/21/1998 | CA2227713A1 Pneumatic kill switch |
| 07/16/1998 | WO1998031182A1 System and method for transmitting information for amphibious traveling vehicle and system for controlling operation of the vehicle |
| 07/16/1998 | CA2249012A1 System and method for transmitting information for amphibious traveling vehicle and system for controlling operation of the vehicle |
| 07/15/1998 | EP0853193A2 Fuel oil cooler for dieselengines |
| 07/14/1998 | US5778833 Water vehicle having a "V" shaped multi-cylinder crankcase scavenging engine |
| 07/10/1998 | CA2207938A1 Low speed steering system |
| 06/18/1998 | DE19652168A1 Internal combustion powered marine or water borne vehicle with anti-theft device |
| 06/16/1998 | US5766048 Exhaust system for outboard drive |
| 06/12/1998 | CA2219565A1 Optical remote control for trolling motors and method of control |
| 06/11/1998 | WO1998025194A1 Steering and manoeuvering handle |
| 06/03/1998 | EP0844964A1 A marine oscillatory-motion propulsion system |
| 06/03/1998 | CN1183363A Solar power drive for small pleasure-boat |
| 06/02/1998 | US5759073 For a watercraft |
| 05/20/1998 | CN1182395A Device for transmitting thrust |
| 05/19/1998 | US5752863 Outboard motor with improved jet propulsion unit |
| 05/06/1998 | CN1038241C System for lubricating of sealing unit of driving equipment of bi-concentric-opposite-rotating propellor |
| 05/05/1998 | US5746630 Combination wet marine exhaust muffler and water separator |
| 05/05/1998 | US5746270 Heat exchanger for marine engine cooling system |
| 04/29/1998 | EP0837983A1 Device and method for calibration of a throttle arrangement |
| 04/28/1998 | US5743774 Exhaust structure of outboard motor |
| 04/28/1998 | US5743206 Hull for small watercraft |
| 04/22/1998 | EP0836987A2 Exhaust gas discharge system and method |
| 04/22/1998 | EP0776431B1 Vibration-compensating apparatus |
| 04/21/1998 | US5741166 Electrically controlled hydraulic power boat controls |
| 04/21/1998 | US5740670 Water jacketed exhaust pipe for marine exhaust systems |