| Patents for B63H 3 - Propeller-blade pitch changing (787) |
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| 11/20/2012 | US8313298 Drive train between a rotor and gear unit of a wind power plant |
| 10/24/2012 | CN202501006U Propeller hub sealing device for controllable-pitch propeller |
| 10/16/2012 | US8287238 Hub pitch gear repair method |
| 09/26/2012 | CN202449194U Controllable-pitch propeller with positioning mechanism |
| 09/19/2012 | CN102686477A Mechanically driven, hubless, high-efficiency ship propulsor |
| 09/11/2012 | US8262354 Method and apparatus for load measurement in a wind turbine |
| 09/11/2012 | US8262352 Blade pitch control |
| 08/29/2012 | CN202400277U Full-circle adjustable thread pitch thruster |
| 08/29/2012 | CN202400276U Thread pitch feedback machine |
| 08/29/2012 | CN202400275U Mechanical pitch adjusting mechanism |
| 08/15/2012 | CN202381694U Sealing device for blade of controllable-pitch propeller |
| 08/14/2012 | US8240990 Apparatus and method for reducing asymmetric rotor loads in wind turbines during shutdown |
| 08/07/2012 | US8235666 Propeller for a marine propulsion system |
| 08/01/2012 | CN102616360A Orbital transfer type blade double-chain device |
| 07/11/2012 | CN102556313A Adjustable drive system for surface paddle and boat |
| 07/11/2012 | CN102556312A Screw pitch feedback rod device for adjustable-pitch full-rotation propeller |
| 07/10/2012 | US8215911 Wind power plant with lightning protection arrangement |
| 07/05/2012 | WO2012092319A1 Remote wind turbine reset system and method |
| 07/04/2012 | CN102530214A Hydraulic device for adjustable-pitch propeller with shaft-type oil distributor |
| 06/26/2012 | US8206110 Horizontal wind turbine blade balancing accessory |
| 06/20/2012 | CN102501956A Integral propeller hub body of marine propeller |
| 06/19/2012 | US8202053 Micro-electromechanical current sensing apparatus |
| 06/13/2012 | CN102490886A Ocean engineering ship |
| 05/30/2012 | CN202252390U Adjustable paddle inner oil pipe connecting and support combination device |
| 05/30/2012 | CN202244051U Direction-variable screw propeller |
| 05/29/2012 | US8186957 Fan propeller, in particular for motor vehicles |
| 05/29/2012 | US8186948 Wind energy plant with a central control device and a control unit in the rotor and method for the operation of such a wind energy plant |
| 05/23/2012 | CN202226040U Marine integral-structure propeller hub |
| 05/23/2012 | CN101620440B Bus-type adjustable pitch propeller united controller |
| 05/16/2012 | CN102458979A 用于控制推进系统的方法和系统 Methods for controlling the propulsion system and system |
| 05/15/2012 | US8177508 Helicopter provided with a plurality of lift elements for controlling the angles of incidence of its blades |
| 05/02/2012 | CN202208364U Novel distance-adjustable oar hub |
| 04/25/2012 | CN101326098B Hybrid propulsion system for a watercraft |
| 04/18/2012 | CN102417024A 船舶推进器紧凑型导架 Ship propeller compact guides |
| 04/17/2012 | US8157522 Calibration method |
| 04/16/2012 | DE202012100880U1 System zur berührungslosen Rückmeldung der Flügelstellung eines Verstellpropellers System for contactless position feedback of the wings of a variable pitch propeller |
| 04/12/2012 | WO2012047753A2 Auxiliary marine vessel propulsion system |
| 04/12/2012 | WO2012047337A1 Three wing, six tilt-propulsion unit, vtol aircraft |
| 04/11/2012 | CN202186510U 实现顺桨状态的推进器桨毂 Achieve feathering propeller hub status |
| 04/05/2012 | US20120083173 Marine Propulsion Devices, Systems and Methods |
| 04/05/2012 | US20120083172 Auxiliary marine vessel propulsion system |
| 03/28/2012 | CN202175188U 对称五叶桨可调桨穀 Symmetrical five bladed paddle adjustable paddle Valley |
| 03/28/2012 | CN202175187U 电动变桨距控制系统 Electric pitch control system |
| 03/28/2012 | CN101234668B Turboprop with a variable-pitch propeller |
| 03/15/2012 | US20120063897 Differential Pitch-Control to Optimize Co-Rotating Stacked Rotor Performance |
| 03/06/2012 | US8131402 System for detecting proximity between a wind turbine blade and a tower wall |
| 02/29/2012 | EP2422159A1 Improved ballistic composites having large denier per filament high performance yarns |
| 02/29/2012 | EP2421748A2 Method and system for controlling propulsion systems |
| 02/23/2012 | WO2012022501A1 Variable-pitch propeller or repeller |
| 02/23/2012 | DE102010039394A1 Verstellpropeller oder -repeller Variable pitch or -repeller |
| 02/22/2012 | CN102358411A Integral structure type propeller hub for ship |
| 02/21/2012 | US8120196 Wave-powered water wheel type generator |
| 02/21/2012 | US8118553 Turbine airfoil cooling system with dual serpentine cooling chambers |
| 02/14/2012 | US8116914 Wind turbine and operating method thereof |
| 02/08/2012 | CN102343974A Large distance adjusting device of big longitudinally inclined and big laterally inclined propeller |
| 02/02/2012 | WO2012014989A1 Controllable pitch propeller control ship and controllable pitch propeller control method |
| 02/01/2012 | CN202130565U Oil distributor of controllable pitch propeller with linear feedback |
| 02/01/2012 | CN202130564U Front-mounted type cylinder ship propeller hub |
| 02/01/2012 | CN102338247A Connecting and supporting combined device for inner oil pipe in adjustable propeller |
| 01/31/2012 | US8105029 Method and apparatus for prediction-based wind turbine control |
| 01/31/2012 | US8105028 Systems and methods for mitigating the effects of wind turbines on radar |
| 01/25/2012 | CN202124112U Lateral thrust adjustable propeller |
| 01/25/2012 | CN102333694A Device with counter-rotating propellers having a means for changing the pitch of the propellers |
| 01/19/2012 | WO2012007971A1 Dampened propeller with pitch blades regulation during backward motion |
| 01/19/2012 | WO2012007970A1 Feathering propeller with blade dampening at forward and backward motion and blades pitch control during backward motion |
| 01/19/2012 | WO2012007969A1 Dampened propeller during forward and backward motion |
| 01/18/2012 | CN202115695U Adjustable propeller hub for marine propeller |
| 01/18/2012 | CN102320365A Thruster propeller hub realizing feathering state |
| 01/17/2012 | US8099255 System and method for measuring shaft deflection in a wind turbine |
| 01/17/2012 | US8096764 System for rotating a wind turbine blade |
| 01/04/2012 | EP2401197A1 Device with counter-rotating propellers having a means for changing the pitch of the propellers |
| 12/28/2011 | CN202089228U 调距桨后油管 Adjusted pipeline pitch propeller |
| 12/27/2011 | US8083482 Method and system for limiting blade pitch |
| 12/13/2011 | US8075271 Electrohydraulic propeller governor |
| 12/13/2011 | US8075270 Fan blade retention and variable pitch system |
| 12/13/2011 | US8075269 Helicopter provided with a plurality of lift elements each provided with a respective tab for controlling the angles of incidence of its blades |
| 12/13/2011 | US8075266 Method and apparatus for rotating a component of a wind energy plant |
| 12/06/2011 | US8070446 Wind turbine blade pitch control system |
| 11/29/2011 | US8066486 Method and apparatus for vibration-based automatic condition monitoring of a wind turbine |
| 11/29/2011 | US8066480 High volume low speed fan |
| 11/23/2011 | CN202046432U Adjustable propeller in push-and-pull rod type |
| 11/23/2011 | CN102248996A Adjustable pitch propeller oil distributor with linear feedbacks |
| 11/22/2011 | US8061992 Rigid hydraulic control shaft and a control system for varying the pitch of a propeller |
| 11/15/2011 | US8057174 Method for controlling a wind turbine using a wind flow model |
| 11/08/2011 | US8055390 Controller for a blade adjustment angle of at least one rotor blade of a wind power plant |
| 11/01/2011 | US8050849 Mixed-mode fuel minimization |
| 11/01/2011 | CA2543269C Control method and control system for a controllable pitch marine propeller |
| 10/19/2011 | CN102224069A An adjustable propeller arrangement and a method of distributing fluid to and/or from such an adjustable propeller arrangement |
| 10/12/2011 | CN102216156A Propeller |
| 10/11/2011 | US8033788 Method for determining fatigue load of a wind turbine and for fatigue load control, and wind turbines therefor |
| 10/05/2011 | CN201999189U Thread pitch feedback device |
| 10/05/2011 | CN101417700B Gear drive type blade pitch regulating mechanism and blade pitch regulating method |
| 09/22/2011 | WO2011113477A1 Propeller |
| 09/20/2011 | US8021110 Tonal emission control for wind turbines |
| 09/14/2011 | CN102180251A Adjustable propeller hub for ship thruster |
| 09/14/2011 | CN102180250A Ship propeller hub with front oil cylinder |
| 08/18/2011 | US20110200433 Method and arrangement for propeller pitch control |
| 08/04/2011 | US20110189909 Adjustable propeller arrangement and a method of distributing fluid to and/or from such an adjustable propeller arrangement |
| 07/26/2011 | CA2570824C Propeller for a marine propulsion system |
| 07/21/2011 | WO2010123636A3 Method and system for controlling propulsion systems |