Patents
Patents for B63H 1 - Propulsive elements directly acting on water (4,187)
02/2005
02/22/2005US6857919 Impeller for marine propulsion device
02/17/2005DE102004029107A1 Francis-Turbine Francis turbine
02/09/2005CN2677293Y Recrention boat
02/09/2005CN2677289Y Sightseeing boat
02/08/2005US6851991 Hull and propeller arrangement
02/03/2005US20050027412 Amphibious robot devices and related methods
02/03/2005US20050025626 Supercavitating propeller with adjustable cup, and the method to adjust said cup
02/03/2005DE102004029109A1 Francis turbine wheel blades have scalloped trailing edge profile delaying the onset of cavitation
02/03/2005CA2532599A1 Rotor blade tip section
02/02/2005EP1502849A2 Supercavitating propeller with adjustable cup and method to adjust said cup
02/02/2005CN1573089A Francis turbine
02/02/2005CN1573019A Francis turbine
01/2005
01/27/2005US20050020156 Autonomous bird predation reduction device
01/26/2005EP1499525A1 Propeller
01/26/2005CN2673793Y Propeller for ship outboard machine
01/26/2005CN1569562A Ship propeller
01/25/2005US6846365 Using high frequency sound waves; suppression of hydrodynamic cavitation
01/20/2005WO2005005839A2 Impeller vane configuration for a centrifugal pump
01/20/2005WO2005005823A1 Windmill rotor comprising multiple separate wind channels
01/20/2005US20050013691 Francis turbine
01/20/2005CA2499514A1 Windmill rotor comprising multiple separate wind channels
01/19/2005WO2005047059A2 Screw drive vehicle
01/19/2005EP1497555A1 A blade for a wind turbine and a method of assembling laminated profiles for a blade
01/19/2005EP1497172A1 Movement conversion device
01/18/2005US6843691 Sculling apparatus for small boats
01/05/2005CN1559857A Cancave-convex blade and concave-convex screw propeller
01/04/2005US6837757 Rim-driven propulsion pod arrangement
12/2004
12/30/2004US20040266281 Cavitation alleviation and line cutting device
12/30/2004US20040266279 Sculling apparatus for small boats
12/30/2004US20040266278 System for utilization of sinus-shaped motion pattern
12/29/2004WO2004113159A1 Device for a ship propeller
12/29/2004CN1559097A Method for operating a wind park
12/28/2004US6835108 Oscillating appendage for fin propulsion
12/23/2004WO2004110859A1 Self-trimming oscillating system
12/23/2004US20040258525 [apparatus for harvesting energy from moving fluids]
12/16/2004WO2004108525A1 Adaptive compliant wing and rotor system
12/16/2004WO2004108522A1 Marine propeller drive
12/16/2004WO2004108354A1 A turbine blade
12/16/2004CA2518080A1 Adaptive compliant wing and rotor system
12/09/2004US20040248481 High efficiency hydrofoil and swim fin designs
12/09/2004US20040247442 Turbine blade
12/09/2004US20040247435 Cooled nozzled guide vane or turbine rotor blade platform
12/08/2004EP1484476A2 Cooled platform for a turbine nozzle guide vane or rotor blade
12/02/2004WO2004103811A1 Hollow type impeller for water surface shifter
12/02/2004WO2004103809A1 Propeller
12/02/2004WO2003076224A3 Ducted channel wing, high-lift devices and vehicles therefor
12/02/2004US20040240998 Fluid flow control mechanism
11/2004
11/18/2004WO2004001267A3 Method and system for regulating external and internal fluid flow
11/17/2004EP1476353A1 Line design and propulsion system for a directionally stable, seagoing boat with rudder propeller drive system
11/11/2004WO2004097183A1 Turbine nozzle segment
11/11/2004WO2004063571A3 Cooling fan with reinforced blade
11/11/2004DE202004014217U1 Inflatable dolphin shape, comprising handles, keel and swivel mounted tail to be used for riding in river or lake
11/10/2004CN1545461A Reduction of propeller-induced pressure fluctuations by introduction of air
11/10/2004CN1544287A Ship propulsion installation
11/03/2004CN2652824Y Drill shape screw propeller
10/2004
10/28/2004WO2004092010A1 Propulsor
10/28/2004WO2004092008A1 A front-mounted water-separation propeller
10/28/2004US20040213673 Turbine nozzle segment
10/27/2004EP1470042A1 Device that is used to create a rippling motion in two directions of movement which can also be used as a generator
10/26/2004US6809444 Free rotating integrated motor propulsor
10/20/2004EP1238185A4 A single or multi-bladed rotor
10/20/2004CN1537778A Biotic plate propoller ship for
10/17/2004CA2425430A1 A front-mounted water-separation propeller
10/14/2004WO2004087498A1 Ringed propeller
10/13/2004EP1075416B1 Improved hydrofoil device
10/13/2004CN1170730C Merchant ship comprising hull is provided for accomodating goods and or people
10/07/2004US20040195440 Oscillating foil propulsion system
10/06/2004CN2646042Y Waterborne tractor
10/05/2004US6799946 Propeller assembly
10/05/2004CA2174213C Surface of a body immersed in a fluid flow
09/2004
09/23/2004US20040185725 Propeller with variable geometry and method for varying geometry of a propeller
09/23/2004DE202004009443U1 Device with a floating drive used for water sports comprises two floating bodies and drive floats
09/22/2004CN1167575C Rotor with split rotor blades
09/15/2004CN2640918Y Marine bending hinge propeller module
09/14/2004US6790109 Electric rudder propeller of lower installation height
09/09/2004US20040175996 Isolated motor pan for watercraft
09/08/2004EP1015305B1 Airfoiled blade for a propeller
09/08/2004CN2639176Y Disc propeller for ship
09/02/2004WO2004074680A1 Improvements relating to power generators
09/02/2004WO2004074088A1 Ship's propulsion system, especially for a large sea-going ship
08/2004
08/26/2004US20040166748 Upright human floatation apparatus and propulsion mechanism therefor
08/26/2004US20040163579 Twin-rudder system for large ship
08/24/2004CA2378607C Rotor with a split rotor blade
08/18/2004CN1162301C Shipping propelling equipment
08/12/2004WO2004067377A1 Boat drive and method for producing the same
08/11/2004CN1161254C Bearing propeller device
08/05/2004WO2004065211A1 Propelling device
08/05/2004DE10331354A1 Bootsantrieb Boot drive
08/05/2004DE10303182A1 Turbine for liquid-conveying pumps, ship propulsion, and gaseous substances having similar properties to liquids comprises a grid having lamellae interrupting the transverse turbulence of a propeller
08/05/2004DE10297109T5 Vorrichtung zur Antriebslinearisierung Device for drive linearization
08/04/2004EP1355822B1 Marine propulsion system
08/04/2004CN1518512A Twin rudder system for large ship
07/2004
07/29/2004WO2004063571A2 Cooling fan with reinforced blade
07/21/2004EP1178923B1 Marine propeller with detachable blades
07/20/2004US6764363 Upright human floatation apparatus and propulsion mechanism therefor
07/15/2004DE202004007237U1 Fin driven boat, has pneumatic drive with lever transmission and on board air reservoir energy supply
07/08/2004WO2004056654A1 Arrangement in a propulsion system
07/08/2004US20040132360 Transverse watercraft propeller
07/08/2004US20040131470 Cooling fan with reinforced blade
07/08/2004DE10226713B4 Windkraftanlage Wind Turbine
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