Patents for B63H 1 - Propulsive elements directly acting on water (4,187) |
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07/13/2011 | EP1966039B1 Semi-submerged propeller propulsion system of displacement and semi-displacement crafts |
07/13/2011 | CN201895768U Underwater propelling device |
07/13/2011 | CN102120486A Motor boat driven by crawler impellers |
07/07/2011 | WO2011082239A1 Composite gas turbine engine component |
07/07/2011 | WO2011082237A1 Turbomachinery component |
07/07/2011 | US20110165802 Vessel propulsion system for watercraft |
07/07/2011 | CA2785974A1 Composite gas turbine engine component |
07/06/2011 | EP2340199A1 High efficiency turbine |
07/06/2011 | CN102114907A Flexible dual-drive biomimetic fish with variable drive position |
07/06/2011 | CN102114906A Propulsion system for ships |
07/06/2011 | CN101423112B Water-jet pump |
06/30/2011 | WO2011077454A1 A fluid turbine rotor blade |
06/30/2011 | WO2011076202A1 Components designed to be load-adaptive |
06/29/2011 | CN102112368A Vertical axis turbine hybrid blades |
06/23/2011 | US20110151731 Swash plate mechanism comprising a spur toothing |
06/22/2011 | CN201872938U Water surface walking boat |
06/22/2011 | CN201872933U Diameter-variable propeller |
06/16/2011 | US20110142671 Wind turbine rotor blades with enhanced lightning protection system |
06/15/2011 | CN102092466A Bearing structure, and propeller device equipped with such bearing structure |
06/15/2011 | CN101300169B Quiet propeller |
06/07/2011 | CA2482280C A blade for a wind turbine and a method of assembling laminated profiles for a blade |
06/03/2011 | WO2009076681A4 Buckyball sphere and applications thereof |
06/01/2011 | CN102079382A Underwater mechanical bionic flapping wing thruster |
06/01/2011 | CN102079371A Bionic robofish propelled by vibration of lateral fins |
06/01/2011 | CN102079367A Powered dragon boat |
05/25/2011 | EP2323904A2 Ship propulsion system for watercraft |
05/25/2011 | EP2323901A2 Vertical axis turbine hybrid blades |
05/25/2011 | CN201842241U Propeller hub for ship |
05/25/2011 | CN201842240U Large-size controllable-pitch propeller hub |
05/24/2011 | US7946818 Shock absorber for adjustable pitch propeller with feathering blades, particularly for sailers |
05/18/2011 | CN201834199U Sea-water-corrosion-resistant propeller |
05/18/2011 | CN1690364B Turbulator on the underside of a turbine blade tip turn and related method |
05/18/2011 | CN101130383B Propeller for watercraft and outboard motor |
05/17/2011 | US7942639 Hybrid bucket dovetail pocket design for mechanical retainment |
05/12/2011 | WO2011054986A1 Vessel propulsion device |
05/12/2011 | US20110109098 Wind Generator With Folding Mast |
05/12/2011 | US20110109088 Windsock horizontal axes turbine |
05/11/2011 | CN1868806B Boat propeller and method for assembling the same |
05/11/2011 | CN102056793A A method of providing a ship with a large diameter screw propeller and a ship having a large diameter screw propeller |
05/11/2011 | CN102050217A 潜水交通工具 Diving transport |
05/11/2011 | CN102050216A 潜水交通工具 Diving transport |
05/04/2011 | CN102046462A Hollow blade of a ship propeller |
05/04/2011 | CN102040000A Universal spiral propeller |
05/04/2011 | CN101633402B Propeller device of dual-conduit nacelle |
05/03/2011 | US7934905 Wind energy system having an insect sensor |
04/28/2011 | WO2011047431A1 Aquatic propulsion system |
04/27/2011 | EP2313311A2 Apparatus for oscillating a foil in a fluid |
04/27/2011 | EP1814780B1 Device for moving an object in relation to a fluid |
04/27/2011 | CN201808653U Wide-bodied ship |
04/27/2011 | CN201807186U Robotic fish compound turning device |
04/27/2011 | CN102036876A Impeller assembly and method of using same |
04/21/2011 | US20110091328 Marine propeller with reverse thrust cup |
04/20/2011 | EP2311726A1 Marine propeller with reverse thrust cup |
04/20/2011 | CN1643260B Ribbon drive power generation |
04/14/2011 | US20110085910 Rotor-type Super Windmill and Method of Increasing Kinetic Energy of Air Flow |
04/13/2011 | CN102015438A A method of providing a ship with a large diameter screw propeller and a ship having a large diameter screw propeller |
04/13/2011 | CN102013609A Seal carbon brush as well as manufacture and use methods thereof |
04/12/2011 | US7922549 Oar with pivotal blades |
04/07/2011 | WO2011039391A1 Boat propulsion device |
04/06/2011 | EP2305557A2 Blade wheel with pivoting blades and method for the positioning of the blades |
04/06/2011 | CN102001432A Water stepper boat |
04/06/2011 | CN102001430A Variable-diameter propeller |
03/31/2011 | WO2009076681A3 Buckyball sphere and applications thereof |
03/31/2011 | US20110074158 Turbo-machine having at least two counter-rotatable rotors and having mechanical torque compensation |
03/30/2011 | CN101992849A Pedal oar |
03/24/2011 | WO2010025987A3 Ship propulsion system for watercraft |
03/24/2011 | US20110070784 Combination anode and line cutter |
03/24/2011 | US20110070783 Apparatus For Control of Stator Wakes |
03/16/2011 | EP2137061B1 Flexible impact blade and drive device for a flexible impact blade |
03/16/2011 | CN201761638U Propeller fairing power assisting drum for ships |
03/15/2011 | US7905709 Advanced firtree and broach slot forms for turbine stage 1 and 2 buckets and rotor wheels |
03/10/2011 | US20110059663 Advanced foil design method and structure for multi speeds |
03/10/2011 | DE102009040471A1 Mechanisch angetriebener Schiffpropulsor mit hohem Wirkungsgrad Mechanically driven Schiffpropulsor with high efficiency |
03/09/2011 | EP2292510A1 Jet propulsion |
03/03/2011 | US20110053441 Twin-skeg ship |
03/03/2011 | US20110052393 Controllable magnetic systems |
02/24/2011 | US20110045718 Marine propulsion system and method |
02/17/2011 | US20110039460 Internally mounted watercraft rowing fin system |
02/16/2011 | EP2284074A2 Ship |
02/16/2011 | CN101973384A Paired sculls for boating |
02/10/2011 | WO2011015804A1 Apparatus for providing a propulsive force in water |
02/10/2011 | DE202010015816U1 Aufbau zur Leistungssteigerung und Geräuschverringerung für einen Propeller Structure to improve performance and noise reduction for a propeller |
02/10/2011 | DE102009035752A1 Heavy duty and high performance propeller, has hub and blades, where squamous formations are provided in wave form at rough surface of blades and abrasion-resistant rubber coating is applied to surface of blades |
02/09/2011 | CN101968821A Airfoil profile design method and structure applicable for multi-speed domain |
02/03/2011 | US20110028056 Apparatus for oscillating and orienting a vane and a vessel including such an apparatus |
02/03/2011 | DE102009035689A1 Fluid-dynamic effective rotor e.g. propeller, for use in e.g. ship, has contour regions arranged in relationship e.g. coincidental relationship, of part of rotor blades so that regions blow-out waves of specific wavelength and frequency |
02/02/2011 | EP2279112A1 Turbo-machine having at least two counter-rotatable rotors and having mechanical torque compensation |
02/01/2011 | US7878873 Thrust adjustment apparatus for an underwater vehicle |
02/01/2011 | US7878760 Method for operating a wind power plant |
01/25/2011 | US7874071 Method of making an ice dispense agitator |
01/25/2011 | CA2558869C Improved velocity profile impeller vane |
01/20/2011 | WO2008105704A3 A mathematical minimal surface propeller |
01/19/2011 | EP2275674A2 Method for operating a wind park |
01/18/2011 | CA2652430C Improved jet pumping device |
01/18/2011 | CA2626507C Boat stabilizer, boat motor and related method |
01/13/2011 | WO2011003196A1 Blade orientation of an impeller or propeller |
01/13/2011 | US20110008169 Device for sealing a rotating shaft |
01/12/2011 | CN201703545U Coast and river boat |
01/12/2011 | CN101941517A Oscillating type propeller |
01/11/2011 | CA2501341C Conversion kit for all terrain vehicle |