| Patents for B63H 1 - Propulsive elements directly acting on water (4,187) |
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| 07/17/2008 | DE202008006069U1 Vorrichtung zur Verringerung des Antriebsleistungsbedarfes eines Schiffes A device for reducing the drive power requirement of a ship |
| 07/16/2008 | CN101219708A Control method for non-semidiameter turn of bionic machinery fish |
| 07/16/2008 | CN101219707A Propeller for watercraft and the method for producing the same, outboard motor and watercraft |
| 07/15/2008 | US7399159 Detachable leading edge for airfoils |
| 07/15/2008 | US7399158 Blade arrangement |
| 07/10/2008 | US20080166239 Fan with improved heat dissipation |
| 07/10/2008 | US20080166238 Fan with improved heat dissipation |
| 07/10/2008 | US20080166237 Fan with improved heat dissipation |
| 07/10/2008 | US20080166236 Fan with improved heat dissipation |
| 07/10/2008 | DE10206642B4 Laufrad insbesondere zur Anwendung auf flüssigen Medien Impeller especially for use on liquid media |
| 07/08/2008 | US7396267 Watercraft rowing fin system |
| 07/03/2008 | WO2007139408A3 Method for generating wave motion for propulsion of watercraft |
| 07/03/2008 | US20080160846 The propeller body of cast aluminum alloy has an anodic oxide protective coating of the aluminum alloy covering a surface of the propeller body and having a thickness of >20 mu m in a thinnest portion and a hardness of > 330 HV at a near-surface level in a thickest portion; wear/corrosion resistances |
| 07/03/2008 | DE102006013275B4 Lagersystem für Ringpropeller Storage system for ring propeller |
| 07/02/2008 | EP1937546A2 Submersible vehicle |
| 07/02/2008 | CN100398810C Francis turbine |
| 06/26/2008 | US20080153366 Marine screw drive with line cutter |
| 06/26/2008 | DE10206298B4 Muskelkraftbetriebener Schwimmkörper Muscle power operated float |
| 06/26/2008 | DE102006059944A1 Under water power machine for use in Hydraulic systems has seal in region of contact surfaces between the jacket of electrical building element and control apparatus housing |
| 06/25/2008 | EP1935781A2 Exhaust case in an outboard motor |
| 06/24/2008 | US7392114 Method for operating a wind park |
| 06/24/2008 | US7390168 Vortex cooling for turbine blades |
| 06/19/2008 | WO2008073073A2 Step-over blade-pitch control system |
| 06/19/2008 | US20080146095 Outboard motor |
| 06/19/2008 | US20080145227 Methods and apparatus for load transfer in rotor assemblies |
| 06/18/2008 | EP1931563A1 Drag-reduction, propulsion, and lift generating system |
| 06/12/2008 | WO2008069799A1 Boat propulsion device |
| 06/11/2008 | EP1601570B1 Drive for ailerons actuated by muscular force |
| 06/11/2008 | CN201071110Y Hand-operated boat |
| 06/11/2008 | CN101196383A Back-heat accumulator of gliding type underwater launch vehicle |
| 06/10/2008 | US7384016 Adaptive compliant wing and rotor system |
| 06/04/2008 | CN100391788C Shape memory alloy string driven pectoral wave pushing bionic underwater robot |
| 06/03/2008 | US7381109 Water craft with new configuration of active hulls and stationary hulls for better hydrodynamic performance, greater stability and increased versatility |
| 05/29/2008 | US20080124217 Multi-Turbine Airflow Amplifying Generator |
| 05/27/2008 | US7377752 Wind blade spar cap and method of making |
| 05/27/2008 | US7377037 Fillet machining method without adaptive probing |
| 05/21/2008 | DE202008002948U1 Elektrischer Schaufelradantrieb für Wasserfahrzeuge Electric paddle wheel for watercraft |
| 05/21/2008 | CN101184663A A propulsion and steering arrangement for a ship |
| 05/20/2008 | US7374400 Turbine blade arrangement |
| 05/15/2008 | WO2008032125A3 Marine propulsion and constructional details thereof |
| 05/14/2008 | CN201058662Y Endless-track type paddle waterborne propeller |
| 05/13/2008 | US7371135 Vertical axis wind turbine rotor construction |
| 05/08/2008 | WO2008053167A1 An apparatus for oscillating and orienting a vane relative to a fluid |
| 05/07/2008 | EP1414698B1 Cavitation alleviation and line cutting device |
| 05/07/2008 | CN201056294Y Multifunctional worm shaft type ship thruster |
| 05/07/2008 | CN100386243C Waving bionic robot fish |
| 05/01/2008 | US20080101932 Wind driven power generator |
| 04/30/2008 | EP1915288A1 Watercraft drive |
| 04/29/2008 | US7364805 Crystal film, crystal substrate, and semiconductor device |
| 04/29/2008 | US7364480 Engine output control system for water jet propulsion boat |
| 04/29/2008 | US7364411 Fan impeller and fan motor |
| 04/24/2008 | US20080096446 Propeller for boat |
| 04/23/2008 | EP1912858A2 Fin for oscillating foil propulsion system |
| 04/23/2008 | CN201049730Y Plate pulling type highly effective driving device for ship |
| 04/17/2008 | US20080089787 Blade outer air seals |
| 04/16/2008 | CN201046774Y Screw-propeller for marine propeller |
| 04/15/2008 | US7357684 Control system for a linear propulsor array |
| 04/10/2008 | WO2008040287A1 Floating and controllable folding deckchair with pedal-operated paddle drive |
| 04/10/2008 | WO2008040049A1 Safety propeller |
| 04/10/2008 | WO2007095022A3 Improved wind turbine rotor |
| 04/09/2008 | CN101157381A Double bodies machinery fish |
| 04/09/2008 | CN101157380A Vane wheel oar |
| 04/08/2008 | US7354324 Method and apparatus for assembling a marine propulsion system in a marine vessel |
| 04/08/2008 | CA2240851C High efficiency hydrofoil and swim fin designs |
| 03/27/2008 | WO2008036526A2 Rotor blade folding system |
| 03/27/2008 | US20080076308 Article for hydro-propulsion with enhanced performance and safety capabilities |
| 03/27/2008 | US20080075600 Methods and apparatus for fabricating turbine engines |
| 03/26/2008 | CN101148194A Double-tail ultra-magnetic bionic machine fish |
| 03/26/2008 | CN101148190A Pedal type folding boat |
| 03/20/2008 | WO2008032125A2 Marine propulsion and constructional details thereof |
| 03/20/2008 | WO2008032124A1 Marine propulsion and constructional details thereof |
| 03/20/2008 | US20080070455 Boat hull structure |
| 03/19/2008 | EP1900636A1 Marine propulsion and constructional details thereof |
| 03/19/2008 | EP1900631A1 Marine propulsion and constructional details thereof |
| 03/19/2008 | EP1900630A1 Marine propulsion and constructional details thereof |
| 03/19/2008 | EP1709301A4 The use of intersecting vane machines in combination with wind turbines |
| 03/19/2008 | CN101146709A Improved shroud for a hydro thrust device |
| 03/19/2008 | CN101143618A Modular machine dolphin flipper driving mechanism |
| 03/13/2008 | US20080064275 Propeller For A Marine Propulsion System |
| 03/13/2008 | US20080064274 Boat propeller |
| 03/13/2008 | US20080063525 Bearing housing |
| 03/13/2008 | US20080061644 Harmonic Propulsion And Harmonic Controller |
| 03/13/2008 | DE202007016122U1 Hybrid Oberflächenpropeller Hybrid surface propellers |
| 03/12/2008 | CN100374352C Shape memory alloy wire driven pectoral wave pushing bionic underwater robot |
| 03/06/2008 | WO2006016874A9 Motorboat transom saver and anti-theft propeller lock |
| 03/05/2008 | EP1893483A2 Rotor blade for a high speed rotary-wing aircraft |
| 03/05/2008 | EP1893477A2 Ship |
| 03/05/2008 | EP1893476A1 Shroud-enclosed inverted surface-piercing propeller outdrive |
| 03/05/2008 | CN201031815Y Double flow direction windstick |
| 03/05/2008 | CN101134500A Bionic underwater chelonian robot |
| 03/05/2008 | CN100373047C Wind urbine with outer noise shell |
| 03/05/2008 | CN100372734C Sine driving mechanism with adjustable amplitude of oscillation for mechanical dolphin |
| 02/28/2008 | US20080050990 Propeller for watercraft and outboard motor |
| 02/28/2008 | US20080050989 Propeller for watercraft and outboard motor |
| 02/28/2008 | US20080050240 Axial fan and blade design method for the same |
| 02/28/2008 | US20080050234 Wind turbine system |
| 02/28/2008 | DE2251468B3 Water vehicle e.g. ship, drive efficiency improving method, involves reducing frictional resistance of rotary drive propeller by adding water-soluble, flowable, strong polar and linear polymer of high molecular weight in boundary layer |
| 02/27/2008 | EP1890932A1 Improved jet pumping device |
| 02/27/2008 | CN101130384A Propeller for watercraft and outboard motor |
| 02/27/2008 | CN101130383A Propeller for watercraft and outboard motor |