| Patents for B63H 1 - Propulsive elements directly acting on water (4,187) |
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| 10/29/2009 | DE102008019454A1 Electrically or fluidically driven force delivering device e.g. locomotion unit, has delivering units designed in forward and backward movable manner transverse to longitudinal axis of device according to driving principle of fish |
| 10/21/2009 | EP2109565A1 Jet propulsion |
| 10/15/2009 | WO2009126096A1 A method of providing a ship with a large diameter screw propeller and a ship having a large diameter screw propeller |
| 10/15/2009 | WO2009126090A1 A method of providing a ship with a large diameter screw propeller and a ship having a large diameter screw propeller |
| 10/13/2009 | US7600980 Cooling fan |
| 10/07/2009 | CN101549750A Separately advancing type ship |
| 10/07/2009 | CN101549749A Automatic thrashing and propelling mechanism used for steamship and motor-driven boat |
| 10/01/2009 | US20090247027 Motorized Push Pole Device |
| 10/01/2009 | US20090246033 wind turbine blade |
| 09/30/2009 | CN101546939A Underwater hollow hub-free propeller |
| 09/29/2009 | US7594834 Marine propulsion apparatus |
| 09/29/2009 | US7594325 Aerofoil and a method of manufacturing an aerofoil |
| 09/23/2009 | CN101537881A High-efficiency marine propulsion plant |
| 09/23/2009 | CN101537880A Energy-efficient marine propeller |
| 09/17/2009 | WO2009111956A1 An axial flow fan for decreasing the noise and the energy consumption |
| 09/16/2009 | CN100540852C Firtree and broach slot structure for turbine stage 1 and 2 blade and rotor wheels |
| 09/16/2009 | CN100540397C Bionic mechanical jellyfish |
| 09/16/2009 | CN100540396C Underwater rowing propeller |
| 09/15/2009 | US7587818 Repair of gas turbine blade tip without recoating the repaired blade tip |
| 09/11/2009 | WO2009110914A1 Impeller assembly and method of using same |
| 09/10/2009 | US20090226323 Quiet propeller |
| 09/10/2009 | DE102008012657A1 Fin drive e.g. dual fin drive, for watercraft, has driving rod equipped with sliding element for sliding ball, and penetrating rotatably supported hollow tube, and carrier element guided into slots i.e. vertical slots, at hollow tube |
| 09/09/2009 | EP2097313A1 Axial fan casing design with circumferentially spaced wedges |
| 09/08/2009 | US7585159 Automotive engine-cooling fan assembly |
| 09/08/2009 | US7585152 Cooling jets |
| 09/02/2009 | EP2096028A2 Speedboat or high speed watercraft with dynamic hull |
| 09/02/2009 | CN201300986Y A suspension auxiliary ship steering propulsion device with telescopic and horizontally-rotary front bottom |
| 09/02/2009 | CN100534858C Double-vane propeller |
| 09/01/2009 | US7581995 Net and line cutter |
| 08/27/2009 | US20090215340 Speedboat or high speed watercraft with dynamic hull |
| 08/27/2009 | US20090215339 Watercraft Paddle Propulsion System |
| 08/26/2009 | EP2093552A1 Method of and device for determining propeller efficiency on board of a ship |
| 08/26/2009 | CN201296374Y Symmetrical fishtail-imitating swinging underwater propeller |
| 08/26/2009 | CN100532193C Bionic machinery chelonian with two-stage freedom degree flipper mechanism |
| 08/25/2009 | US7578059 Method for manufacturing constituents of a hollow blade by rolling |
| 08/20/2009 | US20090208340 Impeller structure of blower |
| 08/19/2009 | EP2089270A1 An apparatus for oscillating and orienting a vane relative to a fluid |
| 08/18/2009 | US7575490 Passive air induction system for boats |
| 08/12/2009 | CN100526156C Marine propellor |
| 08/06/2009 | US20090197485 Watercraft And Method For The Operation Of A Watercraft |
| 08/05/2009 | EP2084055A1 Rotor system with pitch flap coupling |
| 08/05/2009 | CN101501302A Rotor blade for a high speed rotary-wing aircraft |
| 07/30/2009 | US20090191772 Oscillating-foil type underwater propulsor with a joint |
| 07/29/2009 | EP2081819A2 Spindle with overmolded bushing |
| 07/29/2009 | CN201280220Y Web moving wave power boat |
| 07/29/2009 | CN100519331C Intelligent robot dolphin |
| 07/28/2009 | US7566203 Rotor blade |
| 07/23/2009 | US20090186536 Lever powered watercraft |
| 07/23/2009 | US20090185909 Self-assembly micro blade |
| 07/22/2009 | EP1517832B1 A pulling marine propeller |
| 07/22/2009 | CN101486377A Flexible pectoral fin swing type underwater bionic robot |
| 07/15/2009 | EP2078671A2 Submersible vehicle |
| 07/15/2009 | CN201272479Y Propeller net cover |
| 07/15/2009 | CN100513254C Method and system for controlling screw propeller of controllable pitch ship |
| 07/09/2009 | WO2009085979A1 Propeller assembly incorporating spindle with fins and overmolded bushing |
| 07/08/2009 | CN100509551C Acceleration system for link belt-mounted ship |
| 07/02/2009 | US20090169389 Impeller and cooling fan using the same |
| 07/02/2009 | DE102007062392A1 Raft for use as water craft i.e. life raft, has plates provided under base, where plates are arranged with possibility of free rotation on certain angle with respect to horizontal axis and axes of plates are parallel to each other |
| 07/01/2009 | CN101472793A Centrifugal force bearing with stabilizing pronation suppress force moment |
| 06/25/2009 | WO2009078954A2 Variable planing inflatable hull system |
| 06/25/2009 | US20090163089 Propeller Assembly Incorporating Spindle With Fins And Overmolded Bushing |
| 06/25/2009 | US20090162203 Fan module |
| 06/25/2009 | DE202009002642U1 Vorrichtung zur Verringerung des Antriebsleistungsbedarfes eines Schiffes A device for reducing the drive power requirement of a ship |
| 06/24/2009 | EP2072392A2 Boot drive screw |
| 06/24/2009 | CN100504036C Cooling fan with reinforced blade |
| 06/18/2009 | WO2009074581A1 Sealing for fin propulsion |
| 06/18/2009 | WO2009074580A1 A fin propulsion apparatus |
| 06/18/2009 | WO2009074579A1 Fin propulsion by means of inclined fins |
| 06/18/2009 | WO2009074578A1 Translating chariot for fin propulsion |
| 06/18/2009 | US20090156068 Hybrid propulsion systems |
| 06/18/2009 | US20090155087 Cooling fan |
| 06/18/2009 | US20090155080 Combination axial-flow fan |
| 06/18/2009 | US20090155076 Shrouded Dual-Swept Fan Impeller |
| 06/18/2009 | DE102007058811A1 Bootsantriebsschraube Boat propeller |
| 06/17/2009 | EP2069193A2 Marine propulsion and constructional details thereof |
| 06/17/2009 | EP2069192A1 Marine propulsion and constructional details thereof |
| 06/16/2009 | US7546685 Process for producing a rotor |
| 06/11/2009 | WO2009073191A1 Wind turbine rotor assembly |
| 06/11/2009 | US20090145346 Assembly For Retrofitting Watercraft And Method |
| 06/10/2009 | EP2066558A2 Marine propulsion and constructional details thereof |
| 06/10/2009 | DE102007059195A1 Special boat driving condition regulation and control system for e.g. flyboat, has control system performing optimized application in accordance with determined driving condition of boat, and called up automatically for each condition |
| 06/10/2009 | CN201254281Y Bionic underwater thruster of beating fin driven by hydraulic |
| 06/10/2009 | CN201254280Y Hydraulic driving body tail fin mode bionic underwater thruster |
| 06/09/2009 | US7544043 Turbulator on the underside of a turbine blade tip turn and related method |
| 06/04/2009 | WO2009022070A3 Watercraft which can be propelled by human power |
| 06/04/2009 | WO2008032120A3 Marine propulsion and constructional details thereof |
| 06/03/2009 | EP1963682B1 Propeller |
| 06/02/2009 | US7540249 Acceleration system for link belt-mounted ship |
| 05/28/2009 | WO2009067210A1 High efficiency turbine and method of generating power |
| 05/28/2009 | WO2009067078A1 A watercraft propulsion device including a linkage and a horizontal propulsion fin |
| 05/28/2009 | US20090137164 Manually operated boat |
| 05/27/2009 | CN201245239Y Boat thruster with angularly adjustable operating handle |
| 05/27/2009 | CN100491197C Double bodies machinery fish |
| 05/26/2009 | US7537535 Device for conversion of movement |
| 05/26/2009 | US7536968 Hull and steering mechanism for a marine vessel |
| 05/21/2009 | US20090130926 Vibration isolation system for marine vessels |
| 05/20/2009 | EP2059439A1 Reversible propulsion system |
| 05/20/2009 | DE102007055198A1 Special hybrid propeller i.e. hybrid surface propeller, for e.g. speedboat, has two ring jet surfaces adapted to respective speed ranges with respect to shaping, where propeller exhibits different shaping for different immersion depths |
| 05/20/2009 | DE102007053709A1 Vessel, preferably boat, has trunk and drive, where drive is arranged before center of gravity of vessel in driving direction of vessel and is provided with possibility of change of height of arrangement concerning trunk |
| 05/20/2009 | CN201240497Y Bionic robot fish |