| Patents for B63H 1 - Propulsive elements directly acting on water (4,187) |
|---|
| 12/26/1999 | CA2241610A1 Outboard propeller |
| 12/23/1999 | WO1999065766A1 Rotor or propeller with blade folding and pitch control devices |
| 12/23/1999 | CA2334463A1 Rotor or propeller with blade folding and pitch control devices |
| 12/22/1999 | EP0965753A1 Fluid rotor with spherical vanes |
| 12/16/1999 | DE19825224A1 Variable geometry airfoil for aircraft wings and helicopter rotor blades |
| 12/08/1999 | CN2352444Y Nylon propeller |
| 12/07/1999 | US5997369 Human powered marine vehicle and method for the operation thereof |
| 11/30/1999 | US5993161 Rotors with mistuned blades |
| 11/30/1999 | US5993158 Method and apparatus for aeration using flexible blade impeller |
| 11/30/1999 | US5993157 Cycloidal propeller having wings operated by hydraulic clutches |
| 11/23/1999 | US5989081 Pedal boat |
| 11/18/1999 | WO1999058395A1 Water craft having a rotating buoyancy body configuration |
| 11/18/1999 | DE19821517A1 Water craft with caterpillar track propulsion system |
| 11/11/1999 | WO1999057007A1 Improved hydrofoil device |
| 11/02/1999 | US5975462 Integrated propulsion/lift/control system for aircraft and ship applications |
| 10/27/1999 | CN2345449Y Pedal water-wheels boat |
| 10/26/1999 | US5971322 Propeller propulsion unit for aircrafts in general |
| 10/21/1999 | WO1999052770A1 Ring-shrouded propeller |
| 10/21/1999 | DE19907253A1 Muscle driven marine vessel for pleasure |
| 10/20/1999 | EP0950128A1 Prevention of marine encrustation on bronze propellers |
| 10/20/1999 | CN2344291Y Pedal type rowing equipment |
| 10/19/1999 | US5967865 Outboard splash plate arrangement |
| 10/14/1999 | CA2236291A1 Pedal boat |
| 10/13/1999 | CN2343078Y Propeller rotated by jetting steam |
| 10/12/1999 | US5964626 Tractor pump jet |
| 09/29/1999 | CN1230153A Vertical axis and transversal flow nautical propulsor with continuous self-orientation of blades |
| 09/28/1999 | US5957740 Damper for a personal watercraft |
| 09/28/1999 | US5957078 Marine propulsion system |
| 09/22/1999 | EP0943539A2 Cycloidal propeller |
| 08/26/1999 | WO1999042654A1 Device for reducing separation turbulence in a stream flowing past end edges |
| 08/25/1999 | EP0735967B1 A folding propeller |
| 08/25/1999 | CN2334673Y Ship outside motor propeller |
| 08/19/1999 | DE19806698A1 End flow surfaces at the edges of flow generating systems |
| 08/19/1999 | DE19806462A1 Design elements to improve drive and propulsion of air and water craft |
| 08/17/1999 | US5938489 Leg-powered boat |
| 08/12/1999 | WO1999039973A1 Propulsion system |
| 08/11/1999 | CN1225325A Piston like propeller |
| 08/10/1999 | US5934952 Marine propulsion unit |
| 08/10/1999 | US5934876 Blower wheel assembly with steel hub having cold-headed lugs, and method of making same |
| 07/29/1999 | DE19811251C1 Cycloidal propeller for marine vessel |
| 07/28/1999 | CN1223949A Propeller for ship |
| 07/07/1999 | EP0927131A1 Vertical axis and transversal flow nautical propulsor with continuous self-orientation of the blades |
| 06/30/1999 | EP0926062A2 Adjustable-pitch propeller, especially for sport boats |
| 06/30/1999 | CN2326523Y Propeller for ship |
| 06/30/1999 | CN1221379A Blade for ship propellers |
| 06/30/1999 | CN1221378A Device for ships, independent of principle propulsion system, serving either as passive rudder or as active manoeuvring element |
| 06/29/1999 | US5916003 Propeller vent plug with fluid passage |
| 06/17/1999 | WO1999029568A1 Propulsion system |
| 06/15/1999 | US5911559 Airfoiled blade for a propeller |
| 06/01/1999 | US5908284 Marine propeller with tube shape shock absorbing means |
| 05/19/1999 | EP0916574A2 Propeller |
| 05/12/1999 | DE19749497A1 Watercraft with multipart floatable hull |
| 05/05/1999 | CN2317171Y Marine propeller combined structure |
| 05/05/1999 | CN2317170Y Ship capable of relieving water resistance |
| 04/29/1999 | WO1999020523A1 Method and apparatus for aeration using flexible blade impeller |
| 04/28/1999 | EP0911256A2 Guard for a cycloidal propeller |
| 04/27/1999 | US5897407 Impeller |
| 04/22/1999 | DE19745290A1 Vessel propeller system for sea and inland vessels |
| 04/21/1999 | CN1043025C Semi-sumerisible propeller unit for vessel |
| 04/06/1999 | US5890875 Blade apparatus |
| 04/01/1999 | WO1999015400A1 A marine propeller, propeller system and components belonging thereto, and a method of connecting a propeller |
| 03/25/1999 | WO1999014112A1 Airfoiled blade for a propeller |
| 03/24/1999 | EP0903288A2 Submersible vehicle having swinging wings |
| 03/17/1999 | EP0901448A1 Device for ships, independent of the principal propulsion system, serving either as a passive rudder or as an active manoeuvring element |
| 03/16/1999 | US5881831 Multi-terrain amphibious vehicle |
| 03/10/1999 | CA2215098A1 Inboard propeller |
| 03/02/1999 | US5875627 Fluid propulsion system for accelerating and directionally controlling a fluid |
| 02/25/1999 | DE19746977C1 Cycloidal propeller for hydrofoil |
| 02/18/1999 | DE19755825C1 Propeller for marine vessel |
| 02/18/1999 | DE19735514A1 Pedal powered raft accommodating bicycle |
| 02/18/1999 | DE19734770A1 Fluid dynamic profile |
| 02/11/1999 | WO1999006272A1 Novel watercraft |
| 02/03/1999 | EP0894708A2 Propeller or turbine wheel and manufactucing process for the same |
| 02/03/1999 | EP0894066A1 Blade for ship propellers |
| 01/28/1999 | DE19731423A1 Steering- and height-adjustable propeller drive for small boats |
| 01/19/1999 | US5860626 Surface of a body exposed to circumfluent fluid |
| 01/13/1999 | EP0890506A1 Blade of a hydraulic propulsion system |
| 12/30/1998 | CN2302196Y Propeller |
| 12/22/1998 | US5851131 Self-adjusting variable pitch propeller |
| 12/13/1998 | CA2206405A1 The method for creating and use of an opening in a fluid, in devices for moving fluid and devices for receiving fluids |
| 12/08/1998 | US5846103 Tractor pump jet |
| 12/08/1998 | US5845593 Man and wind powered aquatic vehicle |
| 12/02/1998 | EP0880379A1 High efficiency hydrofoil and swim fin designs |
| 11/25/1998 | EP0879169A1 Water vehicle |
| 11/18/1998 | CN2297384Y Stainless screw propeller |
| 11/18/1998 | CN2297383Y Rotating screw propeller |
| 11/04/1998 | EP0875450A2 Cycloidal propeller |
| 11/03/1998 | US5829956 Fan blade assembly |
| 10/28/1998 | CN2295676Y Propeller of hydrofoil high-speed boat |
| 10/28/1998 | CN2295675Y Connecting rod propeller |
| 10/28/1998 | CN2295674Y Propulsion unit of dismoutable rudderless boat |
| 10/22/1998 | WO1998046482A1 Improved fluid displacing blade |
| 10/13/1998 | US5820342 Fluid forcing device with a fluted roller drive |
| 10/07/1998 | CN1194931A Ship propelling system and ship thereof |
| 10/06/1998 | US5816871 Muscle-powered watercraft |
| 09/30/1998 | EP0867360A2 Diving apparatus and method for its production |
| 09/22/1998 | US5810289 High velocity propeller |
| 09/22/1998 | US5810288 For fluid propulsion |
| 09/16/1998 | EP0863836A1 Foldable propeller |
| 09/15/1998 | US5807151 Propeller for marine propulsion drive |