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