| Patents for B63H 1 - Propulsive elements directly acting on water (4,187) |
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| 05/20/2009 | CN101435739A Bionic long fin fluctuating propulsion experimental apparatus |
| 05/14/2009 | DE102008008060A1 Rotor for use as e.g. airplane or ship rotor in water vehicle, has circular rotor blade with wing lower edge exhibiting ring shape from ring segments that change wing position in each segment from lift position into drift position |
| 05/13/2009 | CN201235925Y W cast screw propeller |
| 05/12/2009 | US7530870 Drive shaft sealing device for small watercraft |
| 05/12/2009 | US7530319 Lateral thruster unit for marine vessels |
| 05/06/2009 | CN201231854Y Energy-saving blade wheel for ship |
| 05/06/2009 | CN101423112A Water-jet pump |
| 05/05/2009 | US7527476 Rotor assembly and annulus filler for gas turbine engine compressor |
| 05/05/2009 | US7527232 Ball and socket assembly for suspending an object from a sloped surface |
| 04/30/2009 | WO2009033153A3 High water-speed tracked amphibian |
| 04/30/2009 | WO2009032384A3 Airfoil system for cruising flight |
| 04/30/2009 | US20090110559 Submersible mixing propeller |
| 04/25/2009 | CA2607886A1 Submersible mixing propeller |
| 04/23/2009 | US20090101054 Portable dry dock system and method for commercial servicing of recreational vessels in inland waterways |
| 04/22/2009 | EP2050929A1 Compressor blade, especially for the fan on plane engines |
| 04/22/2009 | EP1670680B1 Screw drive vehicle |
| 04/21/2009 | US7520788 Reciprocating oar with propulsion reversing system |
| 04/16/2009 | WO2009047376A1 Propulsion and lifting system and method for vtol craft and aircraft |
| 04/16/2009 | WO2007086908A3 Rotor blade for a high speed rotary-wing aircraft |
| 04/15/2009 | EP1713686B1 Trim apparatus for marine outdrive with steering capability |
| 04/15/2009 | CN201220744Y Straight wing cycloid thruster with stepping motor as controlling mechanism |
| 04/15/2009 | CN101407250A Living creature-shaped navigation apparatus |
| 04/14/2009 | US7519517 Blade shape creation program and method |
| 04/14/2009 | US7518864 Cooling fan and image display apparatus |
| 04/14/2009 | US7517263 Advanced blade sections for high speed propellers |
| 04/14/2009 | US7517193 Centrifugal compressor and manufacturing method for impeller |
| 04/08/2009 | EP1937546B1 Submersible vehicle |
| 04/07/2009 | US7513737 Gas turbine blade cooling circuit having a cavity with a high aspect ratio |
| 04/02/2009 | WO2009041897A1 Ship propeller having surface cutting propeller blades |
| 04/02/2009 | WO2006012579A3 System and apparatus for improving safety and thrust from a hydro-drive device |
| 04/01/2009 | EP1330388A4 Boat propulsion system |
| 03/31/2009 | US7509737 Fan blade manufacturing methods |
| 03/26/2009 | WO2009038923A1 Fan blades |
| 03/25/2009 | CN201211924Y Walking system on water |
| 03/25/2009 | CN101391650A Bionics machine acaleph driven by shape-memory alloy wire |
| 03/24/2009 | US7506440 treating a titanium gas turbine engine component. The method includes providing a gas turbine engine component having a titanium-containing surface. The component is heated to a temperature sufficient to diffuse carbon into the titanium and below |
| 03/19/2009 | WO2009035367A1 Water cycle (variants) |
| 03/18/2009 | CN101389529A Semi-submerged propeller propulsion system of displacement and semi-diplacement crafts |
| 03/18/2009 | CN101386342A Mechanically-actuated scull |
| 03/18/2009 | CN101386341A Water-drilling helical wheel propulsion method for ship |
| 03/12/2009 | WO2009033153A2 High water-speed tracked amphibian |
| 03/12/2009 | WO2009031339A1 Device for improving propulsion efficiency for vessel and its execution method |
| 03/11/2009 | EP2032427A2 Cf bearing with steady pitching moment |
| 03/10/2009 | CA2412300C Hull and propeller arrangement |
| 03/05/2009 | US20090060730 Centrifugal fan and impeller thereof |
| 03/04/2009 | EP2029425A2 A method for generating wave motion of watercraft |
| 03/04/2009 | CN100465066C A bionic machine fish with shape memory alloy wires for swinging forward |
| 03/04/2009 | CN100465065C A modularized bionic robot fish |
| 02/25/2009 | EP2028102A1 Shpadi propeller (variants) and the involute of the blades thereof |
| 02/25/2009 | CN201198368Y Adjustable propeller with integral guide bracket |
| 02/25/2009 | CN100464076C Double-flow-direction propeller |
| 02/18/2009 | CN101367430A Method for manufacturing large-scale copper alloy screw propeller single pattern leaf blade with glass fibre reinforced plastics |
| 02/12/2009 | US20090042461 Watercraft with selectively retractable and stowable propulsion device |
| 02/10/2009 | US7488225 Propeller for boat |
| 02/05/2009 | WO2008141913A3 Submersible apparatus including flexible waterproofing membranes |
| 02/05/2009 | DE102007035760A1 Schlagflügelanordnung Flapping wing arrangement |
| 02/05/2009 | DE102007035759A1 Impact wing arrangement for aircraft, has oscillatory impact wing, where oscillation serves in manner such that energy content, effect direction or temporal development of effect direction or force impact are influenced by control |
| 02/04/2009 | CN201189953Y Pusher for boat |
| 02/03/2009 | US7484937 Compressor blade with reduced aerodynamic blade excitation |
| 02/03/2009 | US7484934 Method and apparatus for propelling an intercepted fluid |
| 02/03/2009 | US7484928 Repaired turbine nozzle |
| 01/29/2009 | US20090029608 Watercraft having independent drive inputs |
| 01/29/2009 | US20090028710 Fan blade |
| 01/29/2009 | DE102007034594A1 Elastic or elastically supported elements for installing below water surface in vessel, comprises component of vessel such as rudder, keel or stabilizers, where component is particularly fastener for attaching flexible elements |
| 01/27/2009 | US7481687 Jet propulsion outboard and inboard motor |
| 01/27/2009 | US7481614 Moving blade and gas turbine using the same |
| 01/27/2009 | CA2405497C A single or multi-bladed rotor |
| 01/21/2009 | EP2015987A2 Fluid energy converter |
| 01/21/2009 | CN101348165A Three-dimensional motion bionic machine fish |
| 01/15/2009 | WO2009008689A1 Floating method and a vessel for carrying out said method |
| 01/15/2009 | WO2008147146A3 Contra-rotating propeller supported on rudder horn of ship |
| 01/14/2009 | CN101342943A Method for acquiring fluid differential pressure propelling force and blades thereof |
| 01/13/2009 | US7475853 Method and system for regulating external fluid flow over an object's surface, and particularly a wing and diffuser |
| 01/13/2009 | CA2443940C Cylindrical wing tip with helical slot |
| 01/08/2009 | US20090010763 Propeller |
| 01/07/2009 | CN101337572A Globular shape ship |
| 01/07/2009 | CN100448742C Aeration crawler ship |
| 01/01/2009 | US20090004934 Propeller |
| 01/01/2009 | US20090004933 Water Craft With a Buoyancy Body |
| 01/01/2009 | US20090004012 Cover plate for turbine rotor having enclosed pump for cooling air |
| 12/31/2008 | EP2007620A1 Appliance for emitting force |
| 12/31/2008 | CN101332868A Bionic underwater thruster of beating fin driven by hydraulic |
| 12/30/2008 | CA2512550C Cooling fan with reinforced blade |
| 12/25/2008 | US20080315012 Method and System for Regulating Internal Fluid Flow Within an Enclosed or Semi-enclosed Environment |
| 12/24/2008 | WO2008155448A1 Method and apparatus for controlling propulsion drive of ship |
| 12/24/2008 | CN101327839A Straight wing cycloid thruster with stepping motor as controlling mechanism |
| 12/17/2008 | CN101323366A Symmetric fish tail swing emulating underwater thruster |
| 12/17/2008 | CN101323365A Hydraulic drive body-tail fin mode bionic underwater thruster |
| 12/11/2008 | WO2008016584A3 Wind turbine |
| 12/11/2008 | US20080304973 Propeller blade retention system with tapered roller bearing cartridge assemblies |
| 12/10/2008 | CN201161711Y Wheeled paddle |
| 12/10/2008 | CN101318546A Double-cam single-degree-of-freedom machine fish flapping mechanism |
| 12/10/2008 | CN101318544A Bionic machine fish |
| 12/10/2008 | CN100442185C Biomimetic machine fish in multiple modes |
| 12/10/2008 | CN100441476C A front-mounted water-separation propeller |
| 12/04/2008 | WO2008147448A1 Rotor system with pitch flap coupling |
| 12/04/2008 | WO2008147146A2 Contra-rotating propeller supported on rudder horn of ship |
| 12/03/2008 | EP1996454A1 Rotor assemblies having automatic blade folding systems |
| 12/03/2008 | CN201158453Y High-efficiency vigorous propeller for ship |
| 12/03/2008 | CN101314404A Parent-subsidiary bionic machinery fish system |