Patents
Patents for B63H 5 - Arrangements on vessels of propulsion elements directly acting on water (3,934)
01/2000
01/19/2000EP0790922B1 Angle gearing, especially for a marine outboard drive unit
01/19/2000CN1048461C Marine reaction fin arrangement
01/13/2000DE19927857A1 Ship's shaft support arm flow-dynamic optimizing process involving reporting partial pressures and flow velocities, calculating application point and profile form, laying profile, noting stage setting and finding harmonic form
12/1999
12/29/1999EP0907554B1 Differential drive for a ship having two ship's screws
12/21/1999US6004174 Rotary weed and line cutter
12/21/1999US6004173 Marine propulsion system with bypass eductor
12/15/1999EP0963315A1 Differential multipropeller system
12/07/1999US5996520 Icebreaking method and icebreaker
12/01/1999CN1046912C Pushing ship
11/1999
11/30/1999US5993274 Weed guard system
11/24/1999CN2350310Y Accelerating ship provided with water communicating pipe
11/24/1999CN1236347A Dual propeller propulsion system for a water craft
11/23/1999US5989145 In-line speed converter with low parts counts
11/23/1999US5988092 Paddle wheel boat
11/11/1999WO1998029303A8 Aircraft with a fuselage substantially designed as an aerostatic lifting body
11/10/1999EP0954401A1 Shaft phase control mechanism
11/10/1999CN2347883Y Deflector-type propeller driving device
11/04/1999WO1999055581A1 Vessel
11/03/1999CN2346691Y Double-rudder, four-propeller boat
11/02/1999US5975969 Hydrofoil propeller guard
10/1999
10/20/1999EP0950005A1 Steering and/or propulsion device for a vessel
10/20/1999CN2344292Y Improvement structure of small ship propulsion equipment
10/13/1999EP0948441A2 Aircraft with a fuselage substantially designed as an aerostatic lifting body
10/12/1999US5964174 Anti-fouling protective cover for stern drive unit
10/07/1999WO1999050139A1 A method and a device for improving the properties of a boat
10/07/1999WO1998029303B1 Aircraft with a fuselage substantially designed as an aerostatic lifting body
09/1999
09/28/1999US5957078 Marine propulsion system
09/22/1999EP0943540A1 Closure preventive device for water jet propulsion type outboard motor
09/21/1999US5954479 Twin engine, coaxial, dual-propeller propulsion system
09/07/1999US5947779 Propulsion device
09/02/1999WO1999012808A9 Vehicle wheel having concave segments
08/1999
08/18/1999EP0935553A1 Dual propeller propulsion system for a water craft
08/12/1999WO1999039974A1 Screen system for marine thrusters
08/12/1999WO1999039973A1 Propulsion system
08/11/1999EP0863834B1 Tugboat having azimuthal propelling units
08/11/1999CN1225608A Pod-like ship propulsion system with synchronous motor
08/03/1999US5931710 Surface drive kit for marine craft
07/1999
07/27/1999US5928042 Propeller guard
07/21/1999EP0929439A1 Improvement in water craft having ventilated propeller
07/15/1999WO1999035033A1 Drive means in a boat
07/13/1999US5921828 Marine drive transmission
07/13/1999US5921826 Angle gearing, especially for a marine outboard drive unit
06/1999
06/29/1999US5915324 Screen system for marine thrusters
06/17/1999WO1999029568A1 Propulsion system
06/16/1999EP0863837B1 Retractable screw with rotational locking means for a ship or boat
06/16/1999EP0783430A4 Contra-rotating rotor unit
06/10/1999DE19754526A1 Ship with hull tunneling
06/09/1999CN2322894Y Steering device of propeller mounting machine for vessel
06/01/1999US5908339 Modular gas-driven power distribution system
05/1999
05/25/1999US5906522 Thrust enhancer for marine propeller
05/18/1999US5904603 Lockable propeller guard apparatus
05/18/1999US5904601 Propulsion unit
05/11/1999US5902160 For a watercraft
04/1999
04/29/1999WO1999020524A1 Vessel comprising a retractable thruster
04/28/1999EP0911256A2 Guard for a cycloidal propeller
04/22/1999WO1999019209A1 Closure preventive device for water jet propulsion type outboard motor
04/22/1999DE19745290A1 Vessel propeller system for sea and inland vessels
04/21/1999CN1043025C Semi-sumerisible propeller unit for vessel
04/14/1999EP0907556A1 Pod-like ship propulsion system with synchronous motor
04/14/1999EP0907554A1 Differential drive for a ship having two ship's screws
04/14/1999EP0835206B1 Marine drive system
04/14/1999CN2313850Y Axial propeller
04/07/1999EP0906218A1 Power boats
04/07/1999CN2312876Y Multi-row-shaft type screw propeller mover
04/07/1999CN2312875Y Screw-propeller mover with large propelling area for ship
04/06/1999US5890938 Marine counter-rotational propulsion system
04/06/1999US5890937 Propeller shroud
03/1999
03/30/1999US5888108 Propulsion system for marine drive
03/30/1999US5887460 Propeller security device
03/25/1999WO1999014113A1 Propulsion system and method
03/25/1999CA2303523A1 Propulsion system and method
03/23/1999US5884509 Propeller lock
03/18/1999WO1999012808A1 Vehicle wheel having concave segments
03/17/1999EP0901449A1 Marine propulsion and steering unit
03/09/1999US5879207 Single engine dual propeller water craft
03/09/1999US5878686 Pivotal afterplane having a motor positioned thereon
03/03/1999EP0898548A1 Marine propulsion system
03/02/1999US5876258 Self-activating marine jet drive weed grate cleanout system
02/1999
02/25/1999DE19746977C1 Cycloidal propeller for hydrofoil
02/24/1999CN1209087A Shaft phase control mechanism
02/17/1999EP0790921B1 Watercraft drive with a rudder propeller
02/10/1999CN2306949Y Resistance-reducing speed-increasing energy-saving device for motor-driven ship
02/04/1999WO1999005023A1 Electric motor pod drive system for a vessel with a cooling device
02/04/1999DE19834736A1 Service ship propulsion system
02/03/1999CN2306186Y Structure of water-guiding element for small ship propulsion system
01/1999
01/28/1999DE19731423A1 Steering- and height-adjustable propeller drive for small boats
01/26/1999US5863230 For rendering a watercraft propulsion system universal
01/14/1999DE19731412C1 Drive for sea skimming marine vessel
01/07/1999EP0888962A2 Propulsion unit
12/1998
12/30/1998WO1998058838A1 Vertically adjustable stern mounted marine drive
12/30/1998CN1203556A Tugboat having azimuthal propelling units
12/22/1998US5851130 Watercraft intake debris cleaner
12/22/1998US5850801 Pushing unit
12/09/1998CN2299809Y Propeller having direction control function
12/02/1998CN2299018Y High speed ship with opening propellor unit
11/1998
11/24/1998US5839929 Protection device for the lower gear housing of a boat motor
11/24/1998US5839928 Shifting mechanism for outboard drive
11/24/1998US5839927 Water jet system
11/24/1998US5839926 Airboat systems and methods for increasing engine efficiency while reducing torque and noise
11/17/1998US5836795 Watercraft drive with a rudder propeller
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