| Patents for B63H 1 - Propulsive elements directly acting on water (4,187) |
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| 03/23/2010 | US7682134 Francis pump-turbine |
| 03/18/2010 | WO2009130691A3 Wind turbine system and modular wind turbine unit therefor |
| 03/18/2010 | US20100068952 Outboard motor |
| 03/11/2010 | US20100059008 Outboard motor |
| 03/11/2010 | DE102009016962A1 Aero-und/oder hydrodynamisches Profil Aero and / or hydrodynamic profile |
| 03/10/2010 | CN101668678A Axial fan casing design with circumferentially spaced wedges |
| 03/09/2010 | US7674146 Propeller thrust transmission device for a watercraft propulsion device |
| 03/04/2010 | US20100055999 Vibration damper for an electric trolling motor |
| 03/03/2010 | EP2158123A2 Watercraft which can be propelled by human power |
| 03/03/2010 | EP1280694B2 Hull and propeller arrangement |
| 03/03/2010 | CN101659319A Single freedom degree flapping mechanism applicable to robotic fish |
| 03/02/2010 | US7669326 Workpiece with a recess which is closed from the exterior by means of a solder film and method for closing a recess by means of a solder film |
| 02/25/2010 | WO2010021541A2 Apparatus for oscillating a foil in a fluid |
| 02/24/2010 | CN201411036Y Marine propeller with beaming ring |
| 02/24/2010 | CN100591575C Improved shroud for a hydro thrust device |
| 02/23/2010 | US7666512 Thermal resistant environmental barrier coating |
| 02/23/2010 | US7665969 Assembly for providing flexure to blade system |
| 02/18/2010 | DE102006007915B4 Antriebssystem mit einem Verstellpropeller Drive system with a variable pitch propeller |
| 02/17/2010 | EP2154063A1 Hybrid auxiliary drive assembly for a sailing yacht |
| 02/17/2010 | EP2152570A2 Submersible apparatus including flexible waterproofing membranes |
| 02/17/2010 | CN101648594A Propeller mesh enclosure |
| 02/16/2010 | US7662004 Human-powered flapping hydrofoil craft |
| 02/16/2010 | US7661379 Propulsion and steering arrangement for a ship |
| 02/11/2010 | WO2010016155A1 Cavitation erosion constraint propeller |
| 02/11/2010 | US20100036554 Method and apparatus for controlling a waterjet-driven marine vessel |
| 02/11/2010 | DE102007035759B4 Schlagflügelanordnung Flapping wing arrangement |
| 02/10/2010 | CN101643113A Underwater vehicle |
| 02/04/2010 | DE102007035760B4 Schlagflügelanordnung Flapping wing arrangement |
| 02/04/2010 | DE10137623B4 Bewegungssystem für einen Körper im gasförmigen und flüssigen Medium durch flexieble Flächen Movement system for a body in the liquid and gaseous medium by flexieble surfaces |
| 02/03/2010 | CN100586792C A propulsion and steering arrangement for a ship |
| 01/27/2010 | CN201390385Y Efficient novel marine fix-pitch propeller |
| 01/27/2010 | CN201390384Y Novel marine propeller capable of avoiding generation of cavitation |
| 01/27/2010 | CN201390383Y Highly skewed marine propeller |
| 01/27/2010 | CN201390382Y Cross section camber ratio nonlinear distributed marine propeller |
| 01/27/2010 | CN201390381Y Forward-tilting marine propeller |
| 01/27/2010 | CN201390380Y Trailing edge stress reasonable distributed propeller |
| 01/27/2010 | CN201390379Y Auto-sculling paddle wheel and associated devices for ship and motor boat |
| 01/27/2010 | CN101633403A Undulation propelling mechanism driven by shape memory alloy wires |
| 01/27/2010 | CN101633402A Propeller device of dual-conduit nacelle |
| 01/27/2010 | CN100584695C Bionic underwater chelonian robot |
| 01/27/2010 | CN100584689C Globular shape ship |
| 01/21/2010 | WO2010006606A1 Vector dynamometer |
| 01/14/2010 | US20100008780 Marine propeller pitch adjustment means |
| 01/13/2010 | CN101626950A Safety propeller |
| 01/13/2010 | CN101624092A Screw propeller anti-wrapping cutting tool |
| 01/13/2010 | CN100579865C Underwater miniature bionic machinery fish |
| 01/12/2010 | US7644675 Lateral thruster unit for marine vessels |
| 01/06/2010 | EP1719918B1 Rotor with a circular trapezoidal cellular structure |
| 01/06/2010 | CN201376656Y Weed cutting ship |
| 01/05/2010 | US7640661 Process for manufacturing a reinforcing leading or trailing edge for a fan blade |
| 12/30/2009 | WO2009122428A3 Linear wind-powered electric generator |
| 12/30/2009 | WO2009088491A3 Planetary de-rotation system for a shaft fairing system |
| 12/30/2009 | EP2137062A1 A propulsion device for propelling a floating watercraft, a conversion kit for replacing a propeller where the kit comprises such a propulsion device, a watercraft comprising such a propulsion device and a method for increasing the efficiency by using such a conversion kit |
| 12/30/2009 | EP2137061A1 Flexible impact blade and drive device for a flexible impact blade |
| 12/30/2009 | EP2137060A1 Partially submerged propeller drive system |
| 12/30/2009 | CN201371935Y Water jet vessel driving device |
| 12/30/2009 | CN101616839A Marine propeller pitch adjustment means |
| 12/30/2009 | CN101612987A Small-sized robofish system based on ion exchange polymer metal compound driver |
| 12/29/2009 | US7638893 Method for operating a wind park |
| 12/29/2009 | US7637791 Fin for oscillating foil propulsion system |
| 12/29/2009 | US7637722 Marine propeller |
| 12/24/2009 | US20090317249 Drag-reduction, propulsion, and lift generating system |
| 12/24/2009 | US20090314195 Boat Stabilizer, Boat Motor and Related Method |
| 12/24/2009 | DE102007058811B4 Bootsantriebsschraube Boat propeller |
| 12/23/2009 | WO2009154496A1 Hollow blade of a ship propeller |
| 12/23/2009 | CN101609306A Method for controlling motion of bionic long-fin undulatory propeller |
| 12/22/2009 | US7635252 Shock absorbing device for watercraft propeller |
| 12/17/2009 | US20090311926 Fin for oscillating foil propulsion system |
| 12/17/2009 | US20090311925 Wave Power |
| 12/17/2009 | US20090311924 Ship |
| 12/16/2009 | CN201362357Y Propeller hub for ships |
| 12/16/2009 | CN201362356Y Novel propeller hub for ships |
| 12/16/2009 | CN201362355Y Propeller hub |
| 12/16/2009 | CN201362354Y Reversible marine propeller |
| 12/16/2009 | CN101602400A Parallel rotating wing propeller |
| 12/16/2009 | CN101602399A Propeller hub |
| 12/16/2009 | CN101602398A Ship propeller hub |
| 12/16/2009 | CN101602397A Novel ship propeller hub |
| 12/16/2009 | CN100569585C Underwater propelling plant imitating hydrofoil |
| 12/15/2009 | US7632062 Turbine rotor blades |
| 12/10/2009 | US20090305585 Self engaging paddle track |
| 12/10/2009 | US20090305584 Semi-submerged propeller propulsion system of displacement and semi-displacement crafts |
| 12/10/2009 | US20090304510 Marine propulsion and constructional details thereof |
| 12/09/2009 | EP2130760A1 Submersible vehicle |
| 12/08/2009 | US7628587 Gas turbine blade shroud |
| 12/03/2009 | WO2009144164A1 Turbo-machine having at least two counter-rotatable rotors and having mechanical torque compensation |
| 12/02/2009 | CN201354140Y Screw propeller used for mudflat and swamp air boats |
| 12/02/2009 | CN101590904A Energy pickup device for robotic fish |
| 12/02/2009 | CN100566069C Wind power device, wind power field and method for operating a wind field |
| 12/02/2009 | CN100564810C Internal core profile for a turbine nozzle airfoil |
| 11/26/2009 | WO2009141673A1 Muscular propulsion watercraft with pedals retractable within the deck |
| 11/25/2009 | CN101585405A Human body potential energy driving device for ship |
| 11/25/2009 | CN101585404A Breaststroke underwater propulsion system |
| 11/18/2009 | EP2117921A1 Marine propeller pitch adjustment means |
| 11/12/2009 | DE102008023082A1 Rotorblatt und Rotor The rotor blade and rotor |
| 11/11/2009 | CN100558598C Seagoing boat with rudder propeller drive system |
| 11/10/2009 | US7614925 Transportable outboard motor |
| 11/10/2009 | CA2476013C Feet-propelled water vehicle |
| 11/05/2009 | WO2009109768A3 An apparatus for oscillating and orienting a vane and a vessel including such an apparatus |
| 11/04/2009 | EP2113980A2 Method for operating a wind farm |