| Patents for B64C 11 - Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (3,644) |
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| 03/05/2015 | US20150064013 Systems and Methods of Constructing Composite Assemblies |
| 03/05/2015 | US20150064006 Ram air turbine startup |
| 03/04/2015 | EP2842868A1 Blade folding device, blade and aircraft |
| 03/03/2015 | US8967967 Propfan engine |
| 03/03/2015 | US8967966 Hub for a propeller having variable pitch blades |
| 03/03/2015 | US8967964 Boundary layer energiser |
| 03/03/2015 | US8967524 Hydraulic control valve, a device for adjusting blade pitch, and an aircraft provided with such a hydraulic control valve |
| 02/26/2015 | WO2015024044A1 Omni-directional thrust vectoring propulsor |
| 02/24/2015 | US8961140 Aircraft propeller balancing system |
| 02/24/2015 | US8961139 Aircraft propeller balancing system |
| 02/24/2015 | US8959738 Process of repairing a component, a repair tool for a component, and a component |
| 02/19/2015 | WO2015022474A1 Turbomachine impellor rotor with device for feathering the blades of the impellor |
| 02/19/2015 | WO2015022464A1 Turbomachine provided with an assembly for controlling the pitch variation of a propeller |
| 02/19/2015 | US20150050149 Propeller pitchlock system with a rotating interface |
| 02/19/2015 | US20150050137 Blade for a helicopter anti-torque device |
| 02/17/2015 | US8955792 Rotor position determination system with hall-effect sensors |
| 02/17/2015 | US8955409 Rotating assembly including a dynamic balancing system |
| 02/17/2015 | CA2543226C Protective part for the leading edge of a blade |
| 02/11/2015 | EP2835451A2 Method of removing a metal detail from a substrate |
| 02/11/2015 | CN204150231U 多飞行模式的飞行器 Multi-aircraft flight mode |
| 02/11/2015 | CN102905972B 用于在飞行中折叠桨叶的方法和设备 Methods and apparatus for in-flight blade folding |
| 02/03/2015 | US8944765 Bellows type sealing device for partition penetration by a connecting rod of a turboprop fan blade orientation control system |
| 01/29/2015 | WO2015010691A1 Propeller blade mounting system |
| 01/29/2015 | US20150030458 Rotor blade erosion protection system |
| 01/28/2015 | CN204124361U 飞机用集水螺旋桨 Catchment propeller aircraft |
| 01/28/2015 | CN104321957A 包括异步电机的电能供应系统以及安装有这种电能供应系统的引擎 Including asynchronous motor power supply systems and power supply systems equipped with this engine |
| 01/22/2015 | DE102013214240A1 Propellerblattlagerung Propeller blade bearing |
| 01/20/2015 | US8936437 Rotor locking device and method for locking a rotor of a wind turbine |
| 01/20/2015 | US8936436 Rotor-blade control system and method |
| 01/15/2015 | WO2015004362A1 Composite propeller blade for an aircraft |
| 01/13/2015 | US8932021 Fan rotor for air cycle machine |
| 01/13/2015 | US8932018 Counterweight-based device for controlling the orientation of fan blades of a turboprop engine |
| 01/13/2015 | US8932016 Deicing device for propfan-type propeller blades |
| 01/13/2015 | US8931729 Sided performance coaxial vertical takeoff and landing (VTOL) UAV and pitch stability technique using oblique active tilting (OAT) |
| 01/08/2015 | WO2015001290A1 Assembly of a duct and a fan for hovercraft or aircraft propulsion |
| 01/08/2015 | US20150008857 System for Aligning a Propeller |
| 01/07/2015 | CN104265766A 一种避免边缘应力集中的双列圆柱滚子轴承 One way to avoid stress concentrations edge double row cylindrical roller bearings |
| 01/07/2015 | CN104260877A 瓣膜式桨叶机构 Valve type blades agency |
| 01/06/2015 | US8926288 Rotor blade in flat design |
| 01/06/2015 | US8926279 Propeller hub |
| 01/06/2015 | US8925863 Aircraft nose section including a lock for accessing the cockpit |
| 12/31/2014 | CN204056307U 一种无人机复合动力装置 A composite power plant UAV |
| 12/25/2014 | US20140377076 Joint assembly and method of forming thereof |
| 12/25/2014 | US20140377073 Systems and methods for blade attachment |
| 12/24/2014 | CN104229108A 移动桨 Mobile paddle |
| 12/17/2014 | CN104220332A 用于垂直/短距起飞及着陆的方法及设备 For vertical / short takeoff and landing method and apparatus |
| 12/17/2014 | CN104210648A 一种无振荡噪音的飞机、直升机用螺旋桨 A non-oscillatory noise of airplanes, helicopters propeller |
| 12/16/2014 | US8911880 Rotor of rotating machine and method of manufacturing the rotor |
| 12/10/2014 | CN203996893U 悬挂式滑翔翼人力飞行器 Hang-glider aircraft manpower |
| 12/10/2014 | CN203996891U 可直升光飞碟 Can light helicopter UFO |
| 12/10/2014 | CN203996873U 飞行器及其螺旋桨 Aircraft and propeller |
| 12/10/2014 | CN104196685A 利用风能或水流能充电续航的螺旋桨 Can be charged using wind or water propeller life |
| 12/09/2014 | US8906181 Fan blade finishing |
| 12/04/2014 | US20140353432 Unmanned aerial vehicle drag augmentation by reverse propeller rotation |
| 11/25/2014 | US8894351 Retaining ring |
| 11/20/2014 | US20140341739 Propeller blade pivot |
| 11/18/2014 | US8890343 Electric generator disposed on a rotating turboprop part |
| 11/18/2014 | US8890032 Propeller heater lead |
| 11/18/2014 | US8888464 Fabricating parts with composite material reinforcement having a single crossing line |
| 11/18/2014 | US8888044 Aircraft provided with a buoyancy system for a rotary element |
| 11/18/2014 | US8888039 Method and device for the lateral stabilization of an aircraft |
| 11/18/2014 | US8888036 Primary flight controls |
| 11/13/2014 | US20140334932 Split blade retention race with inner and outer chamfers |
| 11/11/2014 | US8884182 Method of modifying the end wall contour in a turbine using laser consolidation and the turbines derived therefrom |
| 11/11/2014 | US8882469 Structural element for an aircraft or spacecraft and method for producing such a structural element |
| 11/11/2014 | US8882464 Aircraft propellers |
| 11/11/2014 | US8882463 Turbo-machine with blade wheels |
| 11/11/2014 | US8881396 Method of manufacturing a fan assembly |
| 11/04/2014 | US8878374 Brushless alternator for helicopter transmission install |
| 11/04/2014 | US8876482 Electrical grounding for blade sheath |
| 11/04/2014 | US8876462 System of contra-rotating propellers driven by a planetary gear train providing a balanced distribution of torque between the two propellers |
| 10/30/2014 | US20140322015 Predictive Blade Adjustment |
| 10/28/2014 | US8870547 Structural element for an aircraft and spacecraft and method for producing a structural element of this type |
| 10/28/2014 | US8870539 Wind turbine with control system |
| 10/28/2014 | US8870534 Propeller device, vehicle drive unit and energy conversion unit |
| 10/23/2014 | US20140314577 Propellor blade retention |
| 10/23/2014 | US20140314565 System for Protecting a Rotatable Shaft of a Motor from Excessive Bending Moments |
| 10/21/2014 | US8864470 Unducted propeller with variable pitch blades for a turbomachine |
| 10/21/2014 | US8864463 Fan with power deployed fan blade |
| 10/16/2014 | US20140308124 Optimization of downstream open fan propeller position and placement of acoustic sensors |
| 10/14/2014 | US8858184 Rotor blade erosion protection system |
| 10/14/2014 | US8858179 Helicopter rotor control system |
| 10/14/2014 | US8857760 Propulsive unit for an aircraft |
| 10/09/2014 | WO2014165121A1 Compositions and methods for generating cavitation resistance |
| 10/09/2014 | US20140301844 Blade for a fan of a turbomachine, notably of the unducted fan type, corresponding fan and corresponding turbomachine |
| 10/09/2014 | US20140299709 Low drag rotor system |
| 10/07/2014 | US8851858 Propeller blades having icephobic coating |
| 10/07/2014 | US8851856 Rotor blade comprising structural elements |
| 10/07/2014 | US8851849 Propeller assembly pitch change apparatus |
| 10/07/2014 | US8851842 Retractable composite rotor blade assembly |
| 10/02/2014 | US20140294585 Turbo engine with propeller(s) for an aircraft with a system for changing the pitch of the propeller |
| 10/01/2014 | EP2782827A1 Rotary mechanical system with contactless actuation |
| 09/30/2014 | US8845292 Blade-retaining device for turbomachine propeller |
| 09/30/2014 | US8845291 Engine arrangement |
| 09/30/2014 | US8845270 Rotor assembly |
| 09/30/2014 | US8844860 Foldable rise and stare vehicle |
| 09/25/2014 | WO2014146972A1 Anti-erosion structure for aircrafts |
| 09/24/2014 | EP2780227A1 Methods and apparatus for vertical/short takeoff and landing |
| 09/23/2014 | US8841584 Electric deicing device for propfan-type propeller blades |
| 09/20/2014 | CA2846977A1 Rotor blade with a segmented supporting structure and method for manufacturing the rotor blade |