Patents for B63H 3 - Propeller-blade pitch changing (787)
07/2001
07/24/2001US6264512 Combined throttle and propeller-pitch control for boat
07/17/2001US6261062 Actuation system for a controllable pitch propeller
07/05/2001WO2001002742A3 Rotor with a split rotor blade
06/2001
06/26/2001US6250979 Boat drive with variable-pitch propeller
04/2001
04/10/2001US6213713 Apparatus for indicating pitch angle of a propeller blade
04/04/2001CN1290223A Propulsion system
03/2001
03/06/2001US6196801 Adjustable propeller unit which can be hydraulically reversed
03/06/2001US6196797 Electronic self-powered propeller governor
02/2001
02/15/2001DE19936951A1 Adjustable propeller for sports boat or sports yacht has hand-wheel fixed to actuator at end of hub for adjusting blade slope
02/07/2001EP1074465A2 Manual control lever for motor boats
02/07/2001EP1074464A2 Boat propulsion with a controllable pitch propeller
02/07/2001EP1074463A2 Controllable pitch propeller for motor boats
01/2001
01/30/2001US6179556 Turbine blade tip with offset squealer
01/25/2001DE19936949C1 Bootsantrieb mit einem Verstellpropeller Boot drive with a variable pitch propeller
01/25/2001DE19936948C1 Verstellpropeller für Motorboote und Sportboote Variable pitch motor boats and sport boats
01/25/2001DE19936946C1 Handhebelsteuerung für Motor- und Sportboote Hand lever control for motor and sport boats
01/25/2001DE19931035A1 Rotor mit gespaltenem Rotorblatt Rotor with a split blade
01/11/2001WO2001002742A2 Rotor with a split rotor blade
12/2000
12/12/2000US6158960 Propeller hub with self-adjusting pitch mechanism
12/06/2000EP1057972A2 Turbine blade tip with offset squealer
11/2000
11/29/2000CN1275111A Variable pitch marine propeller
11/23/2000WO2000069719A1 Marine propeller with detachable blades
11/22/2000EP1053173A1 Propulsion system
11/07/2000US6142735 Variable-pitch propeller, especially for sport craft
10/2000
10/03/2000US6126399 Feathering propeller
08/2000
08/23/2000EP1029781A2 Controllable pitch propeller, especially for watercraft
07/2000
07/26/2000EP1021333A1 Variable pitch marine propeller
07/06/2000DE19859148A1 Marine vessel propeller has vanes formed from single plate of flexible material to allow automatic adaptation to water conditions and operating requirements
07/05/2000EP1015307A1 A marine propeller
06/2000
06/29/2000DE19906661C1 Variable pitch propeller for motor boats and sports boats has a yoke for the blade adjustment rods at the propeller hub moved by an adjustment rod in the propeller shaft shifted by the piston rod of a double-action cylinder
05/2000
05/02/2000US6056609 Adjustable-pitch propeller, especially for sport boats
04/2000
04/05/2000EP0990585A2 Controllable-pitch propeller, especially for sport boats
12/1999
12/29/1999WO1999067128A1 A motor for driving a propeller including a phase adjuster for altering the pitch of the propeller blades
12/07/1999US5997253 Adjustable pitch propeller
12/02/1999DE19823884A1 Adjustable propeller for ship
10/1999
10/19/1999US5967753 Controllable-pitch propeller, especially for sport boats and other watercraft
10/19/1999US5967750 Variable pitch marine propeller
10/19/1999US5967749 Controllable pitch propeller arrangement
09/1999
09/15/1999EP0941201A1 Adjustable propeller unit which can be hydraulically reversed
08/1999
08/12/1999WO1999039973A1 Propulsion system
08/10/1999US5934609 Deformable propeller blade and shroud
08/03/1999US5931637 Propeller with variable rate of pitch change
07/1999
07/14/1999EP0928738A2 Controllable pitch propeller arrangement
06/1999
06/30/1999EP0926062A2 Adjustable-pitch propeller, especially for sport boats
06/09/1999EP0921067A2 Propeller, especially a variable-pitch propeller for sport craft
05/1999
05/12/1999EP0915010A2 Hydraulic installation for a ship
04/1999
04/22/1999WO1999019208A1 Variable pitch marine propeller
04/22/1999CA2303922A1 Variable pitch marine propeller
04/21/1999CN1043025C Semi-sumerisible propeller unit for vessel
04/15/1999WO1999017985A1 Adjustable propeller unit which can be hydraulically reversed
04/15/1999DE19743739A1 Hydraulically reversible adjusting propeller unit for air, land or water vehicles
04/01/1999WO1999015399A1 A marine propeller
02/1999
02/18/1999DE19755825C1 Propeller for marine vessel
12/1998
12/22/1998US5851131 Self-adjusting variable pitch propeller
09/1998
09/22/1998US5810561 For use with a motor
09/08/1998US5803776 Partially immersible propeller
07/1998
07/07/1998CA2139205C Variable propeller for boat
07/07/1998CA2139204C Variable propeller for boat
06/1998
06/30/1998CA2123947C Propeller for boat
06/09/1998US5762474 Variable-pitch propeller assembly enabling pitch reversal during operation
10/1997
10/23/1997DE19615046A1 Electrically reversible adjustment propeller unit for air or land or water vehicle
07/1997
07/17/1997WO1997025244A1 Hydraulically reversible adjustable-pitch propeller unit
07/17/1997DE19600660A1 Hydraulisch reversierbare Verstellpropeller-Einheit Hydraulically reversible adjustable unit
04/1997
04/24/1997DE19539202A1 Adjuster for angular position of rotary blades of sail boat propeller
03/1997
03/18/1997US5611665 Marine propeller and method
01/1997
01/03/1997WO1997000197A1 A propeller driving mechanism for marine vessels
10/1996
10/10/1996DE19518699A1 Automatically adjustable propeller mechanism for aircraft
10/08/1996US5562413 Variable propeller for boat
10/02/1996EP0734340A1 A propeller driving mechanism for marine vessels
09/1996
09/12/1996EP0708017A4 Semi-submersible propeller unit for a vessel
09/10/1996US5554003 Controllable pitch propeller for propulsor and hydroturbine
08/1996
08/27/1996US5549455 Through the hub exhaust flow improvements for marine variable pitch propeller
08/14/1996DE19504611A1 Simple, adjustable pitch ship's propeller
07/1996
07/17/1996EP0721884A1 Variable pitch marine propeller with hydrodynamic shifting and shift biasing and synchronizing mechanism
07/17/1996CN1126976A Semi-submersible propeller unit for vessel
07/03/1996CN2230276Y Screw-pitch adjustable combined screw propeller
06/1996
06/18/1996US5527154 Variable pitch boat prop
06/18/1996US5527153 For a boat
05/1996
05/22/1996EP0551367B1 Method and means for achieving optimum utilization of the propulsion engine of a vessel
04/1996
04/24/1996EP0708017A1 Semi-submersible propeller unit for a vessel
04/11/1996DE4435606A1 Size adjustable blade for wind power rotor
03/1996
03/12/1996US5498135 Actuator for a variable pitch propeller
02/1996
02/27/1996US5494406 Propeller for boat
11/1995
11/14/1995US5466177 Variable propeller for boat
11/07/1995US5464324 Variable-pitch propeller or fan
10/1995
10/26/1995WO1995028317A1 Folding blade propeller
08/1995
08/29/1995US5445497 Variable pitch propellers
06/1995
06/22/1995WO1995016605A1 A propeller driving mechanism for marine vessels
05/1995
05/16/1995US5415523 Control system for variable-pitch boat propeller
05/16/1995CA1335552C Automatic variable pitch marine propeller
05/09/1995US5413461 Method and apparatus for controlling a propulsion engine output based on the net axial force on a propeller shaft
04/1995
04/06/1995DE4333883A1 Self-adjusting propeller
04/04/1995US5403217 Folding blade propeller
03/1995
03/23/1995WO1995007837A1 Feathering propeller
03/08/1995EP0641923A1 Method for controlling and regulating the setting of variable pitch propellors and diesel engine injection with ships
01/1995
01/26/1995WO1995002535A1 Semi-submersible propeller unit for a vessel
11/1994
11/29/1994US5368442 Automatic variable discrete pitch marine propeller
11/22/1994US5366343 Self-adjusting torque-responsive variable-pitch boat propeller
07/1994
07/05/1994US5326223 Automatic variable pitch marine propeller with mechanical holding means
05/1994
05/24/1994CA1329837C Pitch control capacitance coupling
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