Patents
Sitemap › B63 - Ships or other waterborne vessels; Related equipment › B63H - Marine propulsion or steering › B63H 1 - Propulsive elements directly acting on water
Patents for B63H 1 - Propulsive elements directly acting on water (4,187)
10/2003
10/09/2003WO2003082668A1 Feet-propelled water vehicle
10/09/2003WO2003010043A3 Upright human floatation apparatus and propulsion mechanism therefore
10/07/2003US6629831 Apparatus for altering the physical properties of fluids
10/02/2003US20030186601 Thruster for submarine vessels
10/02/2003US20030186599 Self-actuating, foldable obstacle system on hydraulic lifting bodies
10/01/2003EP1348619A2 External electric drive propulsion unit for a SWATH vessel
10/01/2003CN1122616C Electric rudder propeller of lower installation height
09/2003
09/30/2003US6626638 Ribbon drive power generation for variable flow conditions
09/18/2003WO2003076797A1 Device for stabilizing the flow in hydraulic turbomachines
09/18/2003WO2003076224A2 Ducted channel wing, high-lift devices and vehicles therefor
09/18/2003US20030175120 Aqua / atmos propellor jet
09/17/2003CN1121331C Improved hydrofoil device
09/03/2003CN1440345A Hull and propeller arrangement
09/02/2003CA2109608C Propulsive thrust ring system
08/2003
08/28/2003WO2003070567A1 Line design and propulsion system for a directionally stable, seagoing boat with rudder propeller drive system
08/27/2003EP1107906B1 Device for propulsion of a boat
08/26/2003US6609892 Propeller hub
08/21/2003US20030157849 Hull and propeller arrangement
08/19/2003US6607411 High efficiency hydrofoil and swim fin designs
08/19/2003US6607168 Bearing structure with reduced tip vortex
08/14/2003US20030153220 High efficiency hydrofoil and swim fin designs
08/14/2003US20030153218 Shock-absorbing propeller assembly
08/13/2003EP1015309B1 A marine propeller, propeller system and components belonging thereto, and a method of connecting a propeller
08/07/2003WO2003064860A1 Ribbon drive power generation for variable flow conditions
08/06/2003EP1177130B1 Electric rudder propeller of lower installation height
08/06/2003CN1117009C Ship propeller
07/2003
07/31/2003WO2003062671A1 Apparatus for transforming a rotative motion
07/31/2003WO2003062048A1 Device that is used to create a rippling motion in two directions of movement which can also be used as a generator
07/30/2003EP1330388A1 Boat propulsion system
07/29/2003US6599159 Drive means a boat
07/23/2003CN1431122A Marine propeller with arc oblique structure on its end
07/22/2003US6595815 Watercrafts with active hulls attain substantial hydrodynamic drag reduction
07/22/2003US6595813 Feet-propelled water vehicle
07/16/2003EP1327579A1 Propeller blade
07/16/2003CN1429737A Hydrodynamic machine
07/16/2003CN1114544C Improved fluid displacing blade
07/15/2003US6592412 Propelling and driving system for boats
07/15/2003US6592335 Ribbon drive pumping apparatus and method
07/10/2003WO2003056139A1 A single or multiple bladed rotor
07/01/2003US6585548 High efficiency hydrofoil and swim fin designs
06/2003
06/26/2003WO2003052298A1 Toggle joint pedal mechanism
06/26/2003WO2003051709A1 Autonomous bird predation reduction device
06/26/2003US20030118446 High-performance propeller
06/26/2003US20030116441 Overcoating; prevention impedance, vibration; efficiency
06/24/2003US6582258 Floating track device
06/17/2003US6579134 User-propellable sport board device
06/11/2003CN1422780A Semi-diving type hydroplane
05/2003
05/28/2003CN1420057A Ship propeller
05/22/2003WO2003042034A1 Paddle-wheel propulsion for freighters
05/21/2003EP1311765A1 Covered propeller
05/21/2003EP1075416A4 Improved hydrofoil device
05/21/2003CN1418795A Hydraulic curved shutter propeller module for ship
05/21/2003CN1108952C Propeller unfolding and angle regulating device for aircraft and ship
05/21/2003CN1108951C Novel watercraft
05/15/2003US20030092329 Water craft propelled by a double-flipper device actuated by a pedal mechanism
05/08/2003DE10152977C1 Vorrichtung zur Entgegenwirkung von im Nabenbereich von Propellern und/oder Propellerantrieben im umgebenden Fluid erzeugten Strömungswirbeln Device for counteracting of the hub region of propellers and / or propeller drives in the surrounding fluid flow vortices generated
05/07/2003EP1196696B1 Rotor with a split rotor blade
05/07/2003CN1415499A Mechanical type propeller
05/06/2003US6559370 Submarine countermeasure vehicle with folding propeller
05/06/2003US6558210 Device for propelling a diver through a body of water using pedaling motion
05/02/2003EP1306301A1 Device for counteracting hub vortex cavitation of propellers and/or marine propulsion units
04/2003
04/29/2003US6554666 Propulsion apparatus for marine vessels
04/17/2003US20030073360 Transverse watercraft propeller
04/17/2003DE20119721U1 Snorkel boat for underwater viewing is shaped like a marine animal and has transparent viewing panels and a flexible snorkel for diving
04/10/2003WO2003030329A1 Method for operating a wind park
04/10/2003CA2460724A1 Method for operating a wind park
04/09/2003CN1408606A Multiple driving gliding submarine
04/03/2003WO2003026954A1 System for utilization of sinus-shaped motion pattern
04/03/2003US20030061979 Streamlined body for immersion in a liquid at high relative speed
04/02/2003EP0880379A4 High efficiency hydrofoil and swim fin designs
03/2003
03/27/2003US20030060094 Efficient motors and controls for watercraft
03/25/2003US6537031 Marine propeller with detachable blades
03/06/2003US20030045182 Device for propelling a diver through a body of water using pedaling motion
03/06/2003DE20217634U1 Drive for muscle-powered water craft on hydrofoil basis and fin stroke principle has motor drive partly or entirely replacing muscle-powered drive
03/04/2003US6527520 Ribbon drive pumping with centrifugal contaminant removal
02/2003
02/25/2003US6524073 Spinner with continuous 3-fold symmetry for multiple utilitarian, educational and ornamental uses
02/20/2003WO2003014853A1 Fluid flow control mechanism
02/20/2003WO2003013954A1 Cavitation alleviation and line cutting device
02/18/2003US6521114 Prevention of marine encrustation on bronze propellers
02/13/2003US20030032348 Watercrafts with active hulls attain substantial hydrodynamic drag reduction
02/11/2003US6516606 Aeroengine nacelle afterbodies
02/11/2003CA2278868C Portable pedal-operated paddlewheel boat
02/06/2003WO2003010045A1 Reduction of propeller-induced pressure fluctuations by introduction of air
02/06/2003WO2003010043A2 Upright human floatation apparatus and propulsion mechanism therefore
02/05/2003EP1280694A1 Hull and propeller arrangement
02/05/2003CN1395050A 'Menneimasi swing link' and accurate linear drive device and cardang clutch
02/05/2003CN1100701C Marine propeller with detachable paddle
01/2003
01/29/2003CN1393372A Shipping propelling equipment
01/29/2003CN1393370A Bearing propeller device
01/23/2003US20030017769 Upright human floatation apparatus and propulsion mechanism therefore
01/16/2003US20030012652 Hub assembly for marine propeller
01/16/2003DE20211686U1 Boat drive for propelling boat by muscle power has a guiding track on the right and left of the boat stern and piston with muscle driver
01/15/2003EP1274622A2 Water craft propelled by a double-flipper device actuated by a pedal mechanism
01/15/2003CN1098789C Water (air) pressurizing wheel
01/02/2003US20030003821 Propulsion apparatus for a vessel
01/02/2003US20030003818 Azimuth propeller device
01/02/2003EP1270404A2 Propulsion apparatus for a vessel
01/02/2003EP1270403A2 Azimuth propeller device
01/02/2003EP1270401A2 Propulsion unit for water vehicles
12/2002
12/31/2002US6500033 Method and device for propulsion of vessels
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