| Patents for B63H 1 - Propulsive elements directly acting on water (4,187) |
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| 01/09/2002 | EP1170206A1 Nautical propulsion mechanism and watercraft provided with such a mechanism |
| 01/09/2002 | EP1169222A1 Drive means in a boat |
| 01/09/2002 | EP1169220A1 Drive means in a boat |
| 01/02/2002 | CN1077059C Fluid propulsion system for accelerating and directionally controlling fluid |
| 12/27/2001 | WO2001098654A1 A wind turbine rotor blade comprising one or more means secured to the blade for changing the profile thereof depending on the atmospheric temperature |
| 12/26/2001 | CN2467401Y Efficient bionic impeller or propeller |
| 12/25/2001 | US6332818 Propulsion system |
| 12/25/2001 | US6332756 Motion converting unit |
| 12/20/2001 | US20010053642 Water and land walking device |
| 11/29/2001 | US20010045181 Marine propeller, propeller system and components belonging thereto, and a method of connecting a propeller |
| 11/22/2001 | US20010044246 High efficiency hydrofoil and swim fin designs |
| 11/21/2001 | EP1155956A2 A fluid propulsion system for accelerating and directionally controlling a fluid |
| 11/15/2001 | WO2001085535A1 Hull and propeller arrangement |
| 11/14/2001 | EP0950128A4 Prevention of marine encrustation on bronze propellers |
| 11/07/2001 | EP1150882A1 Cycloid thrusters having blades whose shape and orientation are elastically modified by hydrodynamic thrusts |
| 10/25/2001 | WO2001079058A1 Water craft propelled by a double-flipper device actuated by a pedal mechanism |
| 10/25/2001 | US20010034168 Hydro wings, watercraft propulsion devices with additional inherent advantages |
| 10/25/2001 | DE10016990A1 Motor-driven ship; has drive propeller, which is surrounded by cladding and has compressed air compressor to supply compressed air to space between intermediate propeller and cladding |
| 10/24/2001 | CN1319063A Load-bearing structure with reduced tip vortex |
| 10/17/2001 | EP1144246A1 Method and device for propulsion of vessels |
| 10/16/2001 | US6302652 Elliptical propeller and windmill blade assembly |
| 10/11/2001 | WO2001074658A2 Marine propeller |
| 10/11/2001 | DE10014509A1 Water sport device based on buoyant bodies has such bodies in form of water skis |
| 09/26/2001 | CN2450086Y Column propeller |
| 09/25/2001 | US6293754 Method and apparatus for altering the physical properties of fluids |
| 09/12/2001 | CN1312120A Fish-tail propeller |
| 09/07/2001 | WO2001064510A1 High performance propeller |
| 09/07/2001 | CA2401609A1 High performance propeller |
| 08/29/2001 | CN1310119A Ship propeller |
| 08/28/2001 | US6280144 Propellers and impellers with stress-relieving recesses |
| 08/22/2001 | CN1069872C Vertical axis and transversal flow nautical propulsor with continuous self-orientation of blades |
| 08/09/2001 | US20010012742 Propulsion system and method |
| 08/01/2001 | CN1305922A Propeller |
| 07/31/2001 | US6267634 Propeller flare |
| 07/31/2001 | CA2297718A1 Personal water vehicle |
| 07/26/2001 | WO2001053147A1 Streamlined body for immersion in a liquid at high relative speed |
| 07/25/2001 | CN1305423A Rotor or propeller with blade folding and pitch control devices |
| 07/24/2001 | US6263819 Low drag submerged displacement hull |
| 07/18/2001 | EP1115978A1 A device for moving a liquid or a gas |
| 07/18/2001 | EP1115613A1 Load-bearing structure with reduced tip vortex |
| 07/05/2001 | WO2001047770A1 Partially submerged controllable pitch propeller fitted to a transom contoured thereto |
| 07/05/2001 | WO2001002742A3 Rotor with a split rotor blade |
| 07/04/2001 | CN1302268A Improved hydrofoil device |
| 06/27/2001 | EP1111193A2 Axial blade retention system for turbomachines |
| 06/26/2001 | US6250979 Boat drive with variable-pitch propeller |
| 06/20/2001 | EP1107906A1 Device for propulsion of a boat |
| 06/19/2001 | US6247981 Recreational watercraft |
| 06/19/2001 | US6247897 Vane system |
| 06/12/2001 | US6244919 Vertical axis and transversal flow nautical propulsor with continuous self-orientation of the blades |
| 06/12/2001 | US6244817 Method and apparatus for a fan noise controller |
| 06/07/2001 | DE19957626A1 Device for rhythmic underwater drive is connected to joint shaft system and comprises two orthogonally formed surfaces which almost do not overlap and which replace central shaft of joint shaft system |
| 05/31/2001 | WO2001038697A1 A single or multi-bladed rotor |
| 05/23/2001 | CN1295959A Link oar type propeller for ship |
| 05/15/2001 | US6231408 Drive mechanism assembly for aquatic vehicle |
| 05/10/2001 | DE19952907A1 All-wheel-driven water vehicle, especially amphibian vehicle has cylindrical hollow bodies, sufficiently watertight, for guaranteeing behavior of middle axles at standstill at least at height of water surface |
| 05/08/2001 | US6227918 System for determining apparent slip and angle of attack |
| 05/01/2001 | US6224441 Propulsion system and method |
| 04/26/2001 | CA2324744A1 Portable paddle assembly for a watercraft |
| 04/26/2001 | CA2287594A1 Portable paddle assembly for a watercraft |
| 04/25/2001 | EP1093999A2 Impeller for marine waterjet propulsion apparatus |
| 04/24/2001 | US6220818 Blower wheel assembly with steel hub, and method of making same |
| 04/18/2001 | CA2286636A1 Recreational watercraft |
| 04/17/2001 | US6217399 Propulsion arrangement for axisymmetric fluid-borne vehicles |
| 04/12/2001 | WO2001025084A1 Propulsion system for a watercraft |
| 04/04/2001 | CN1290223A Propulsion system |
| 04/03/2001 | US6210110 Propeller having a stress relief flare arrangement |
| 03/28/2001 | CN1063687C Technology for integrally casting stainless steel propeller |
| 03/27/2001 | US6206640 Blower wheel assembly with steel hub, and method of making same |
| 03/22/2001 | WO2001009486B1 Ribbon drive power generation apparatus and method |
| 03/07/2001 | CN1062819C Running type water-skiing device |
| 02/28/2001 | CN2421246Y Bradawl type propeller |
| 02/27/2001 | US6193573 Air induction system for tunnel mounted surface piercing propellers |
| 02/27/2001 | US6193466 Counter rotating bypass propeller |
| 02/21/2001 | CN2420228Y High performance propeller |
| 02/21/2001 | CN2420227Y Two blade propeller without straw winding |
| 02/20/2001 | US6190218 Pump jet with redirected exhaust gas through stator vane for drag reduction |
| 02/14/2001 | EP1075416A1 Improved hydrofoil device |
| 02/14/2001 | CN1283571A Oscillation-type drive paddle with swing joint structure |
| 02/14/2001 | CN1283570A Oscillation-type driving paddle of elastic material |
| 02/13/2001 | US6185817 Tool for removing a propeller from a drive shaft |
| 02/08/2001 | WO2001009516A1 Ribbon drive propulsion system and method |
| 02/08/2001 | WO2001009515A1 Ribbon drive pumping apparatus and method |
| 02/08/2001 | WO2001009486A1 Ribbon drive power generation apparatus and method |
| 02/08/2001 | DE19935299A1 Rotation surface from drive and control element, in which system can serve as rudder on wing principle and also as transverse pushing device |
| 02/08/2001 | DE10011609A1 Propulsion system for ships - has stator winding of synchronous machines connected to power converter via power transfer device |
| 02/08/2001 | DE10011601A1 Propulsion system for ships |
| 02/08/2001 | CA2380623A1 Ribbon drive propulsion system and method |
| 02/08/2001 | CA2380440A1 Ribbon drive pumping apparatus and method |
| 02/07/2001 | EP1074464A2 Boat propulsion with a controllable pitch propeller |
| 02/07/2001 | EP1074463A2 Controllable pitch propeller for motor boats |
| 01/31/2001 | CN1061307C Ship with reducing water resistance function |
| 01/30/2001 | US6179566 Blower Wheel assembly with steel hub, and method of making same |
| 01/25/2001 | DE19936949C1 Bootsantrieb mit einem Verstellpropeller Boot drive with a variable pitch propeller |
| 01/25/2001 | DE19936948C1 Verstellpropeller für Motorboote und Sportboote Variable pitch motor boats and sport boats |
| 01/25/2001 | DE19931035A1 Rotor mit gespaltenem Rotorblatt Rotor with a split blade |
| 01/25/2001 | DE10011602A1 Propulsion system for ships |
| 01/23/2001 | US6176680 Impeller having a hub assembled from a plurality of identical parts |
| 01/18/2001 | DE19942823C1 Ship's drive with cycloidal propeller has setting disc and associated setting lever acted on by hydraulic, pneumatic, or electromechanical setting device for rotation of propeller through small angle |
| 01/18/2001 | DE19938415C1 Propulsion unit, in particular, with at least one cycloidal propeller, for a ship comprises an auxiliary motor whose torque is transmitted to the drive drum via a bevel pinion made of a noise insulating material |
| 01/11/2001 | WO2001002742A2 Rotor with a split rotor blade |