| Patents for B63H 1 - Propulsive elements directly acting on water (4,187) |
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| 12/24/2002 | US6497597 High efficiency hydrofoil and swim fin designs |
| 12/19/2002 | DE10128714A1 Sports/training appliance with frame and articulated movement elements with pedals, mounted on buoyancy aids |
| 12/12/2002 | US20020185050 Method and apparatus for propelling a surface ship through water |
| 12/12/2002 | US20020185046 Monitoring and control of watercraft propulsion efficiency |
| 12/11/2002 | CN1095785C Device for ships, independent of principle propulsion system, serving either as passive rudder or active manoeuvring element |
| 12/05/2002 | US20020179111 Using high frequency sound waves; suppression of hydrodynamic cavitation |
| 11/27/2002 | EP1260432A1 High performance propeller |
| 11/27/2002 | CN1382088A Merchant navy vessel comprising hull is provided for accomodating goods and or people |
| 11/26/2002 | CA2297214C Novel watercraft |
| 11/20/2002 | EP1015305A4 Airfoiled blade for a propeller |
| 11/19/2002 | US6482059 High efficiency hydrofoil and swim fin designs |
| 11/14/2002 | WO2002090182A1 Twin rudder system for large ship |
| 11/14/2002 | WO2002090180A1 Spiral-shaft screw and multi-segment displacement-angle rudder |
| 11/07/2002 | DE10011609C2 Antriebseinrichtung für Schiffspropeller Drive means for ship propeller |
| 11/07/2002 | DE10011601C2 Antriebseinrichtung für Schiffspropeller Drive means for ship propeller |
| 10/30/2002 | CN2518773Y High-efficiency impeller |
| 10/29/2002 | US6471481 Hub assembly for marine propeller |
| 10/24/2002 | US20020155768 High efficiency hudrofoil and swim fin designs |
| 10/24/2002 | US20020155765 Floating track device |
| 10/24/2002 | US20020154989 Covered propeller |
| 10/22/2002 | US6468118 Personal watercraft |
| 10/22/2002 | US6467422 Hydrofoil device |
| 10/17/2002 | US20020150465 Ribbon drive pumping apparatus and method |
| 10/16/2002 | EP1248722A1 Streamlined body for immersion in a liquid at high relative speed |
| 10/16/2002 | CN2516456Y Ironcasting two-blade agricultural propeller |
| 10/09/2002 | CN1373308A 'Menneimasi pendulum arm' and flapping-wing propeller |
| 10/03/2002 | US20020142681 Propulsion apparatus for marine vessels |
| 09/11/2002 | EP1238185A1 A single or multi-bladed rotor |
| 09/11/2002 | CN1368923A Rotor with split rotor blade |
| 09/06/2002 | WO2002055381A3 Personal watercraft |
| 09/04/2002 | EP0999975A4 Novel watercraft |
| 09/04/2002 | CN2509084Y 螺旋桨 Propeller |
| 09/04/2002 | CN1367118A Combined propeller |
| 08/22/2002 | WO2002064424A1 Noiseless propelling device for an underwater vessel |
| 08/22/2002 | US20020115362 High efficiency hydrofoil and swim fin designs |
| 08/22/2002 | DE10104662A1 Verfahren zur Reduzierung der Geräuschabstrahlung von Propellern A method of reducing noise radiation of propellers |
| 08/21/2002 | CN1365421A Ribbon drive powder generation apparatus and method |
| 08/20/2002 | US6435827 Apparatus for generating a fluid flow |
| 08/15/2002 | WO2002062658A1 Marine propulsion system |
| 08/13/2002 | US6431926 Ribbon drive propulsion system and method |
| 08/07/2002 | EP1228958A2 Method for reducing the noise emission of propellers |
| 07/25/2002 | US20020098751 Kireev's conception of the new high-speed movement |
| 07/23/2002 | US6422905 Marine propeller, propeller system and components belonging thereto, and a method of connecting a propeller |
| 07/18/2002 | WO2002055381A2 Personal watercraft |
| 07/17/2002 | CN1359345A Electric rudder propeller of lower installation height |
| 07/11/2002 | DE10100519A1 Muscle-power-driven waterborne craft with float drive devices initially under water surface, turning about vertical float axis |
| 07/04/2002 | US20020086596 Water vessel propulsion system |
| 07/04/2002 | US20020085914 Hub assembly for marine propeller |
| 07/04/2002 | DE10064527A1 Propeller for increasing axial jet thrust in liquid and/or gaseous medium consists of one or more radially protruding blades separated from each other by a medium |
| 07/03/2002 | EP1219534A2 Hub assembly for marine propeller |
| 06/26/2002 | EP0901448B1 Device for ships, independent of the principal propulsion system, serving either as a passive rudder or as an active manoeuvring element |
| 06/18/2002 | US6406264 Propeller |
| 06/13/2002 | DE10060067A1 Propulsion sail rotor for marine vessel has vertical axis rotor with adjustable vanes |
| 06/12/2002 | EP0975516A4 Improved fluid displacing blade |
| 06/12/2002 | EP0863836B1 Foldable propeller |
| 06/06/2002 | US20020067990 Spinner with continuous 3-fold symmetry for multiple utilitarian, educational and ornamental uses |
| 06/04/2002 | US6398500 Retention system and method for the blades of a rotary machine |
| 05/30/2002 | US20020064465 Ribbon drive pumping with centrifugal contaminant removal |
| 05/30/2002 | US20020062644 Ribbon drive power generation for variable flow conditions |
| 05/29/2002 | CN1351560A Marine propeller with detachable blades |
| 05/23/2002 | US20020060379 Time varying microshear, velocity and pressure fields |
| 05/23/2002 | DE10040837C1 Mantelpropeller Ducted propeller |
| 05/21/2002 | US6390776 Marine propeller |
| 05/08/2002 | EP1203160A1 Ribbon drive propulsion system and method |
| 05/07/2002 | US6383042 Axial twist propeller hub |
| 05/02/2002 | WO2001074658A3 Marine propeller |
| 04/18/2002 | WO2002030740A1 Boat propulsion system |
| 04/17/2002 | EP1196696A2 Rotor with a split rotor blade |
| 04/17/2002 | CN2486460Y Movable leaf type automatic open and close blade for ship |
| 04/16/2002 | US6371726 Foldable propeller |
| 04/09/2002 | US6368059 Controlled passive porosity systems to mitigate cavitation |
| 04/04/2002 | DE10104680A1 Marine ball drive comprises guide rings adjusted to drive vane sides plus drive shaft carrying drive and buoyancy elements and slide surface below remaining immersed at high speeds. |
| 04/02/2002 | US6364614 Spinner with continuous 3-fold symmetry for multiple utilitarian, educational and ornamental uses |
| 03/27/2002 | EP1189807A1 Merchant navy vessel comprising a hull that is provided for accommodating goods and/or people |
| 03/27/2002 | EP0830285B1 A fluid propulsion system for accelerating and directionally controlling a fluid |
| 03/27/2002 | CN2483316Y Fuel-saving ship |
| 03/20/2002 | EP1187760A1 Propelling and driving system for boats |
| 03/19/2002 | US6357998 Ribbon drive pumping apparatus and method |
| 03/19/2002 | US6357997 Ribbon drive power generation apparatus and method |
| 03/12/2002 | US6354804 Fluid displacing blade |
| 03/07/2002 | DE10041002A1 Drive force transmission device has propeller blades held in sockets attached to pressing plate and able to be coupled positively to drive shaft |
| 03/06/2002 | CN1338413A Method for increasing efficiency of helical propeller |
| 03/05/2002 | US6352458 Propulsion system and method |
| 03/05/2002 | US6352410 Variable-pitch boat propeller with easy-change vanes |
| 03/05/2002 | US6352408 Slip inhibiting boat propeller |
| 02/28/2002 | WO2002016778A1 Covered propeller |
| 02/28/2002 | US20020024188 Twist vehicle |
| 02/13/2002 | EP1178923A1 Marine propeller with detachable blades |
| 02/07/2002 | DE10122474A1 Ship screw propeller; has blades arranged on inside of outer ring, with continuously increasing blade angle from outside to inside and forms bell-shaped flow speed profile |
| 02/07/2002 | DE10035454A1 Ship drive having reversible water jet, allowing it to stop faster without causing turbulent vibration |
| 02/06/2002 | EP1177130A1 Electric rudder propeller of lower installation height |
| 02/06/2002 | EP1177129A1 Course-stable, fast, seagoing ship comprising a hull that is optimized for a rudder propeller |
| 01/31/2002 | WO2002008054A1 Propulsion system and method |
| 01/23/2002 | EP1174341A1 Aircraft jet engine nacelle with an enhanced rear ejection block with common nozzle |
| 01/23/2002 | CN1332682A Method and device for propulsion of vessels |
| 01/22/2002 | CA2041244C Propeller combination with non-cupped blades for a boat propeller unit |
| 01/17/2002 | US20020006333 Aeroengine nacelle afterbodies |
| 01/16/2002 | CN2471701Y Screw propeller |
| 01/10/2002 | WO2001079058A9 Water craft propelled by a double-flipper device actuated by a pedal mechanism |
| 01/10/2002 | US20020004010 Retention system and method for the blades of a rotary machine |