| Patents for B63H 21 - Use of propulsion power plant or units on vessels (6,542) |
|---|
| 12/24/1991 | US5074812 Torsional damper for marine propulsion engine |
| 12/24/1991 | US5074811 Solar powered trolling motor |
| 12/17/1991 | US5072629 Shift assisting system |
| 12/11/1991 | EP0460453A2 Power production installation, especially propeller propulsion for ships using a solar generator |
| 12/10/1991 | US5071377 Inboard marine engine flushing device |
| 12/05/1991 | DE4017301A1 Electric propulsion drive for floating air-bed mattress - has battery-operated electric motor rotating paddle wheels on opposite sides of mattress |
| 12/03/1991 | US5069414 Boat engine mounting |
| 12/03/1991 | US5069174 Fuel supplying device for marine propulsion engine |
| 12/03/1991 | CA2063243A1 Energy-generating plant, particularly propellor-type ship's propulsion plant, supplied by a solar generator |
| 12/03/1991 | CA2043653A1 Energy-generating plant, particularly propeller-type ship's propulsion plant, supplied by a solar generator |
| 11/06/1991 | EP0455097A1 A boat control system |
| 11/05/1991 | US5062815 Shift control for small watercraft |
| 11/05/1991 | US5062516 Single lever control |
| 11/03/1991 | CA2016038A1 Skeg protector |
| 10/31/1991 | WO1991016235A2 Control system for operating a ship's motive installation |
| 10/22/1991 | CA1291242C Voice alarm output device for outboard motor |
| 10/22/1991 | CA1291241C Vocal alarm method for outboard engine |
| 10/22/1991 | CA1291240C Audio alarm outputting device for outboard engine |
| 10/22/1991 | CA1291007C Single lever binnacle control |
| 10/17/1991 | DE4112192A1 Control system for operating ship drive - controls revs of each engine or slip of clutch for coupling drive to propeller shaft |
| 10/16/1991 | CN1055331A Gravity water cooling device of ship engine |
| 10/15/1991 | US5056379 Remote control of engine functions |
| 10/09/1991 | EP0450252A1 Combustion engine support comprising an internal combustion engine and a foundation |
| 10/01/1991 | US5052955 Leisure boat |
| 09/24/1991 | US5051102 Astern-ahead switching device for marine propulsion unit |
| 09/24/1991 | US5050912 Reusable vase connection for a marine propulsion unit |
| 09/18/1991 | EP0446530A1 Clutch in the local station of a remote control assembly |
| 09/17/1991 | US5048291 Exhaust muffler for marine engines with two rows of cylinders |
| 09/13/1991 | CA2038002A1 Idle exhaust gas relief arrangement for outboard motor |
| 09/13/1991 | CA2030442A1 Auxiliary automatic cooling water supply for marine engines |
| 09/10/1991 | US5046977 Exhaust muffler for marine engines |
| 09/03/1991 | US5045005 Marine engine exhaust system and method |
| 09/03/1991 | US5045001 Auxiliary automatic cooling water supply for marine engines |
| 08/27/1991 | CA1288007C Propeller tunnel baffle and method |
| 08/22/1991 | WO1991012171A1 Marine exhaust system |
| 08/22/1991 | WO1991012170A1 Equipment assembly for a vessel, a method for assembling devices and mould means for the manufacture of flange means |
| 08/20/1991 | US5041040 Motorboat, without driver, controlled by water skier skiing, or optionally controlled by a driver |
| 08/20/1991 | US5041036 Idle exhaust gas relief arrangement for outboard motor |
| 08/20/1991 | US5041035 Mounting and control of outboard motors |
| 08/20/1991 | US5041034 Generating device for marine propulsion engine |
| 07/30/1991 | US5035664 Marine propulsion device gear arrangement |
| 07/30/1991 | CA1286933C Ignition interrupt system with stall interval |
| 07/23/1991 | US5033416 Internal combustion engine for propelling ships that transport gaseous fuel |
| 07/16/1991 | US5032095 Marine engine with galvanic circuit protection |
| 07/16/1991 | US5031561 Steering and manoeuvering system for water-born vessels |
| 07/09/1991 | US5029547 Remote steering control for outboard powerheads |
| 06/19/1991 | EP0432461A1 Arrangement for the oscillation-insulated support of combustion engines |
| 06/14/1991 | WO1991008946A1 Method and apparatus for power transmission to a surface driving propeller mechanism and use of a turbine between the driving engine and propeller mechanism |
| 06/11/1991 | US5022877 Marine exhaust system |
| 06/11/1991 | US5022628 Mounting for machinery |
| 06/04/1991 | US5020492 Warning system for marine propulsion engine |
| 05/28/1991 | US5019141 Vent line separator |
| 05/14/1991 | US5016006 Audio alarm outputting device for outboard engine |
| 05/08/1991 | EP0425600A1 Process and device for reducing the noise emission of submerged submarines. |
| 05/08/1991 | DE3935742C1 Preventing drive noise for ship's reversing gear - reduces hydraulic pressure friction moment in region of renance shaft speed |
| 05/08/1991 | CN1051228A Ic engine for propelling ships that transport gaseous fuel |
| 05/08/1991 | CN1051148A Marine propulsion apparatus |
| 05/07/1991 | US5012648 Exhaust system for two-stroke engine |
| 05/02/1991 | WO1991005695A1 Monohull fast sealift or semi-planing monohull ship |
| 05/02/1991 | EP0424826A1 Method of feeding an internal combustion engine with more than one fuel |
| 04/16/1991 | US5007870 Jet propulsion craft provided with exhaust noise eliminating apparatus |
| 04/09/1991 | US5006082 Actuating-device for small-type air-feeded water floaters |
| 04/04/1991 | WO1991004192A1 Single lever control for boats |
| 04/03/1991 | EP0419520A1 Fluid mounting system for a marine engine |
| 04/02/1991 | US5004042 Closed loop cooling for a marine engine |
| 03/27/1991 | EP0418431A1 Remote control of engine functions |
| 03/21/1991 | DE3930514A1 Propulsion unit for ship - is located on carrier, supported by hull via elastic element to prevent transmission of vibration |
| 03/19/1991 | US5000161 Smokestack having reduced IR emission |
| 03/12/1991 | US4998966 Small watercraft |
| 03/05/1991 | US4997399 Exhaust system for small vessel |
| 03/05/1991 | US4996937 Small boat |
| 03/05/1991 | CA1280978C Marine engine exhaust muffler with swim platform |
| 02/27/1991 | CN1049533A Cathodic protecting device for inhibiting corrossion of metal surface, preferable, sealing unit of shaft tube of ship, in liquid electrolyte, preferable in seawater |
| 02/27/1991 | CN1049482A Hydro-dynamic device for ships |
| 02/19/1991 | US4993979 Marine propulsion device |
| 02/19/1991 | US4993348 Apparatus for harvesting energy and other necessities of life at sea |
| 02/19/1991 | US4993314 Convectively cooled hot gas exhaust structure to reduce infrared radiation |
| 01/22/1991 | US4986777 Marine engine oil drainage device |
| 01/22/1991 | US4986776 Marine shift speed equalizer |
| 01/09/1991 | EP0238649B1 Propeller tunnel baffle |
| 01/01/1991 | US4981121 Starting-stopping device for small sized jet propulsion boat |
| 12/25/1990 | US4979918 Outboard motor vibration isolation system |
| 12/18/1990 | US4978320 Surface effect ship engine mount system |
| 12/18/1990 | US4977977 Marine engine external exhaust noise suppressor with swim platform |
| 12/12/1990 | EP0401267A1 Marine stern drive with through-housing lubrication system. |
| 12/12/1990 | CN2067253U Automatic stopping device for marine diesel engine fault |
| 12/11/1990 | USRE33488 Marine vessel with internal combustion engine having an exhaust pipe |
| 12/05/1990 | CN2066964U 自然水冷却器 Natural water cooler |
| 11/27/1990 | US4973274 Shift assisting device |
| 11/20/1990 | US4971583 Apparatus for outboard engine for switching to voice alarm output |
| 11/13/1990 | US4969848 Tank-built-in outboard motor |
| 10/30/1990 | US4966567 Marine propulsion device |
| 10/23/1990 | CA1275369C Marine propulsion device throttle control |
| 10/23/1990 | CA1275367C Marine propulsion installation including fuel conduit coupling apparatus |
| 10/16/1990 | US4963109 Shifting device for marine propulsion unit |
| 10/16/1990 | US4962717 Maneuvering gear for small boat |
| 09/20/1990 | WO1990010927A1 Process and device for reducing the noise emission of submerged submarines |
| 09/19/1990 | EP0388229A1 Mounting and control of outboard motors |
| 09/19/1990 | EP0388228A1 Mounting and control of outboard motors |
| 09/19/1990 | EP0388227A1 Device for mounting and control outboard motors |