| Patents for B63H 1 - Propulsive elements directly acting on water (4,187) |
|---|
| 06/29/1995 | CA2179731A1 A folding propeller |
| 06/28/1995 | EP0659637A1 Adjustable ship propeller with corrosion protection |
| 06/20/1995 | US5425663 Counter-rotating surfacing marine drive with planing plate |
| 06/15/1995 | WO1995015882A1 Muscle-powered watercraft |
| 06/15/1995 | CA2182174A1 Muscle-powered watercraft |
| 06/14/1995 | EP0657348A1 Water jet propulsor |
| 06/14/1995 | DE4341781A1 Catamaran with manual back=up propulsion |
| 05/26/1995 | WO1995013961A1 Propulsion system |
| 05/26/1995 | WO1995013959A1 Propulsion mechanism employing flapping foils |
| 05/24/1995 | EP0654780A1 Sound damping arrangement |
| 05/23/1995 | US5417598 Inflatable paddle wheel life saving device |
| 05/17/1995 | CN2197309Y Underwater propeller |
| 05/16/1995 | US5415576 Counter-rotating surfacing marine drive with defined X-dimension |
| 05/16/1995 | US5415524 Fluid propulsion device |
| 05/11/1995 | WO1995012520A1 Rotary machine component, especially the rotor of a cycloid ship propeller |
| 05/09/1995 | US5413465 Propulsion device having circular array of inclined airfoil elements with radially-outwardly directed vacuum-inducing surfaces |
| 05/09/1995 | US5413464 Propulsion device having circular array of inclined airfoil elements with radially-inwardly directed vacuum-inducing surfaces |
| 05/02/1995 | US5411422 Spiral propeller having axial void |
| 04/27/1995 | WO1995011388A1 Surface of a body immersed in a fluid flow |
| 04/11/1995 | US5405275 Personalized watercraft |
| 04/11/1995 | US5405243 Propeller with shrouding ring attached to blade |
| 03/28/1995 | US5401196 Propulsion mechanism employing flapping foils |
| 03/15/1995 | EP0642437A1 A propeller having optimum efficiency in forward and rearward navigation. |
| 03/08/1995 | CN2191177Y Steamship propeller |
| 02/22/1995 | CN2190083Y Ship accelerator |
| 02/02/1995 | DE4325769A1 Brake wheel for carrying out stationary marine-engine trials |
| 01/26/1995 | WO1995002535A1 Semi-submersible propeller unit for a vessel |
| 01/25/1995 | CN2188072Y Propeller |
| 01/24/1995 | US5383802 Propulsion system |
| 01/19/1995 | DE4323347A1 Propulsion arrangement for ships |
| 01/10/1995 | CA1333861C Marine propulsion device with elastomeric cushion |
| 01/09/1995 | CA2100140A1 Ice load reduction device for ship propellers |
| 01/05/1995 | WO1995000389A1 Muscle-powered watercraft |
| 01/05/1995 | DE4422680A1 Contra-rotating marine drive coming to the surface and having a levelling plate |
| 01/05/1995 | DE4422679A1 Marine-drive anode |
| 01/05/1995 | DE4422358A1 Marine drive coming to the surface and having a contoured fin |
| 01/05/1995 | DE4422357A1 Marine drive with torpedo coming to the surface |
| 01/05/1995 | DE4422346A1 Contra-rotating marine drive working at the surface and having a defined X-dimension (vertical dimension) |
| 01/05/1995 | CA2165543A1 Muscle-powered watercraft |
| 12/27/1994 | US5376031 Marine drive with surfacing torpedo |
| 12/20/1994 | US5373800 Sea vessel |
| 12/13/1994 | US5372480 Replaceable and foldable blade boat propeller |
| 12/06/1994 | US5370561 Propulsion device for a watercraft |
| 11/29/1994 | US5368508 Marine propeller with transversal converging ribs |
| 11/29/1994 | US5368507 Paddle board |
| 11/24/1994 | WO1994021914A3 Flow body |
| 11/22/1994 | US5366395 Pulsating impeller |
| 11/22/1994 | US5365870 Body equipped with a streamlined profile, in particular a stabilizer fin for ships with a turbulence reducing structure and method of using the turbulence reducing structure |
| 11/17/1994 | EP0586511A4 Propulsive thrust ring system. |
| 11/09/1994 | CN1026471C Propeller line skeleton moulding method |
| 11/01/1994 | US5360357 Self-propelled watercraft |
| 10/25/1994 | US5359574 For affecting turbulence/noise characteristics |
| 10/04/1994 | US5352093 Weedless propeller |
| 09/29/1994 | WO1994021914A2 Flow body |
| 09/07/1994 | EP0614028A1 Device for generating an inverted kinematic movement |
| 09/06/1994 | US5344349 Surfacing marine drive with contoured skeg |
| 09/06/1994 | US5343823 Large diameter low RPM propeller for torpedoes |
| 09/01/1994 | WO1994019234A1 Rotating thrust-producing apparatus |
| 08/30/1994 | US5342228 Marine drive anode |
| 08/10/1994 | EP0609389A1 An elastomeric propeller having a flexible elastomeric covering |
| 08/04/1994 | DE4302734A1 Pedal powered watersport vehicle |
| 08/03/1994 | EP0504221B1 A propulsion device for a watercraft |
| 07/13/1994 | EP0467919B1 Propulsion system suitable for use on watercraft |
| 07/12/1994 | US5328333 Rotating thrust-producing apparatus |
| 07/07/1994 | DE4300118A1 Water borne vessel for use at sea and on lakes |
| 07/06/1994 | CN2170919Y Marine propeller with double clutches |
| 06/29/1994 | CN2170267Y Mounted machine for manpowered mechanical inertia power-assisting ship |
| 06/15/1994 | CN2168827Y Boat motor with semi-rotating helm and paddle |
| 06/08/1994 | EP0500521B1 Ship's propeller |
| 05/19/1994 | DE4238394A1 Paddle propulsion system for ships - consists of paddles on block chain, circulating about two pinions |
| 05/17/1994 | US5312228 Ship's propeller |
| 05/17/1994 | US5312164 Vehicle propelling member and assembly |
| 05/11/1994 | WO1994010032A1 Multiple electromagnetic tiles for boundary layer control |
| 05/11/1994 | CA2147968A1 Multiple electromagnetic tiles for boundary layer control |
| 05/10/1994 | US5310371 Tandem propeller assembly for a marine propulsion unit |
| 05/10/1994 | CA2017718C Multi-bladed propulsion apparatus |
| 04/19/1994 | US5304038 Built-up marine propeller blade balancing |
| 03/31/1994 | DE4232671A1 Thrust-generation system for aircraft wing - uses blackened top and bottom surfaces respectively aiding solar heating and heat-dissipation |
| 03/31/1994 | DE4232654A1 Manually-operated boat-propulsion paddle mechanism - has paddle-stroke adjustment on paddle support moved up and down |
| 03/30/1994 | CN1084471A New-type ship oar |
| 03/29/1994 | US5297933 Cantilever paddlewheel apparatus |
| 03/29/1994 | CA1328056C Energy efficient asymmetric pre-swirl vane and twisted propeller propulsion system |
| 03/24/1994 | DE4337761A1 Rotating machine part, esp. rotor of cycloidal ship propeller - has central introduction point on rotor or housing and back conduits for further heat transmission medium |
| 03/23/1994 | CN2159359Y Internal impeller of yacht |
| 03/23/1994 | CN1084130A Propeller |
| 03/16/1994 | EP0586511A1 Propulsive thrust ring system |
| 03/08/1994 | US5292088 Propulsive thrust ring system |
| 03/01/1994 | US5290147 Variable pitch marine propeller with shift biasing and synchronizing mechanism |
| 02/24/1994 | DE4227198A1 Oscillating propeller for ship or boat propulsion system - consists of single-blade propeller or sculling oar, with deflection system for automatic turning or locking. |
| 02/17/1994 | WO1994003360A1 Nautical device propelled and steered by a standing user without the use of hands |
| 02/17/1994 | DE4226637A1 Propeller structure for ship - has one or more blades comprising root and at least two ends |
| 01/20/1994 | DE4223028A1 Propulsion system, using muscle power, for catamaran - consists of two paddle systems on boat deck, with slide blocks and paddle bars, and is without oars |
| 01/12/1994 | CN2152595Y Radial flow-free axial propelling impeller assembly |
| 01/04/1994 | US5275535 For use on a hub for rotation in a fluid |
| 12/29/1993 | EP0571391A4 Propeller with shrouding ring attached to blades |
| 12/22/1993 | CN1079702A A propeller having optimum efficiency in forward an rearward navigation |
| 12/14/1993 | US5269656 High damping limp propeller |
| 12/14/1993 | US5269647 Wind-powered rotor |
| 12/08/1993 | CN2148731Y Two-section type raft oar structure |
| 12/01/1993 | EP0571391A1 Propeller with shrouding ring attached to blades. |