| Patents for B64C 11 - Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (3,644) |
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| 07/13/2011 | CN102123910A Banded turbine |
| 07/13/2011 | CN102120489A Tilt ducted unmanned aerial vehicle |
| 07/12/2011 | US7976279 Blade pitch actuation mechanism |
| 07/07/2011 | WO2011082239A1 Composite gas turbine engine component |
| 07/07/2011 | WO2011082237A1 Turbomachinery component |
| 07/07/2011 | WO2011081577A1 Air propeller arrangement and aircraft |
| 07/07/2011 | US20110164980 Propeller assembly pitch change apparatus |
| 07/07/2011 | US20110163198 Safety flier--a parachute-glider air-vehicle with vertical take-off and landing capability |
| 07/07/2011 | CA2785974A1 Composite gas turbine engine component |
| 07/06/2011 | EP2340993A2 Propeller assembly pitch change apparatus |
| 07/06/2011 | EP2340992A2 Method for propeller blade root flow control by airflow through spinner |
| 07/06/2011 | EP2340199A1 High efficiency turbine |
| 07/05/2011 | US7972114 Composite blade root structure |
| 06/30/2011 | WO2011077454A1 A fluid turbine rotor blade |
| 06/30/2011 | WO2011010059A3 Device for retaining a blade for a turbine engine propeller |
| 06/30/2011 | US20110158808 Method for propeller blade root flow control by airflow through spinner |
| 06/30/2011 | US20110155840 Morphing aircraft |
| 06/23/2011 | US20110150650 Propeller device, vehicle drive unit and energy conversion unit |
| 06/22/2011 | EP2336022A2 Morphing ducted fan for vertical take-off and landing vehicle |
| 06/16/2011 | WO2011069981A1 Propeller hub having a reinforced polygonal ring and turbine engine provided with such a hub |
| 06/16/2011 | WO2011005600A3 Seat track fitting |
| 06/16/2011 | US20110142646 Passive cyclic pitch control |
| 06/16/2011 | CA2782249A1 Propeller hub having a reinforced polygonal ring and turbine engine provided with such a hub |
| 06/15/2011 | EP2332829A2 Passive cyclic pitch control |
| 06/15/2011 | EP2331401A2 Control system for an aircraft propeller drive |
| 06/15/2011 | EP2331398A1 An adjustable propeller arrangement and a method of distributing fluid to and/or from such an adjustable propeller arrangement. |
| 06/15/2011 | CN102092474A Novel airplane |
| 06/09/2011 | WO2011066708A1 Aerobat toy |
| 06/09/2011 | US20110135471 Wind Turbine |
| 06/09/2011 | US20110133037 Personal flight vehicle including control system |
| 06/08/2011 | EP2089273B1 Aircraft with rear annular tail |
| 06/08/2011 | CN102089206A Device for attaching a blade with variable setting |
| 06/03/2011 | WO2011064419A1 Concave blade for wind turbine |
| 06/02/2011 | US20110129345 Preloaded propeller blade assembly |
| 06/02/2011 | US20110127374 Methods and systems for minimizing flow disturbances in aircraft propeller blades caused by upstream pylons |
| 06/02/2011 | US20110127373 Autophagous multifunction structure-power system |
| 06/01/2011 | DE102010060431A1 Vorgespannte Propellerblattanordnung Pre-loaded propeller blade assembly |
| 05/31/2011 | US7952217 Wind turbine, a method for controlling a wind turbine and use thereof |
| 05/31/2011 | US7950603 Integral powered wing aircraft |
| 05/27/2011 | CA2721783A1 Preloaded propeller blade assembly |
| 05/24/2011 | US7948104 Method of operating a wind turbine with pitch control, a wind turbine and a cluster of wind turbines |
| 05/24/2011 | US7946818 Shock absorber for adjustable pitch propeller with feathering blades, particularly for sailers |
| 05/18/2011 | EP2322427A2 Airfoil component wear indicator |
| 05/18/2011 | CN102066197A Vertical take-off and vertical landing gyroplane |
| 05/18/2011 | CN102060103A Wood propeller and manufacturing method thereof |
| 05/18/2011 | CN101318552B Hydraulic dispenser equipped with a device for detecting seizures |
| 05/17/2011 | US7945350 Wind turbine acoustic emission control system and method |
| 05/17/2011 | US7944070 Yaw system for a nacelle of a wind turbine and wind turbine |
| 05/17/2011 | US7942637 Sparcap for wind turbine rotor blade and method of fabricating wind turbine rotor blade |
| 05/12/2011 | US20110110779 Fluid turbine featuring articulated blades and phase-adjusted cam |
| 05/12/2011 | US20110108661 Segmented aircraft comprising an energy medium |
| 05/12/2011 | DE102008038426B4 Abgewinkelter Hebel an einem Schalenbauteil, insbesondere für die Einstellwinkelsteuerung eines Rotorblattes, und Verfahren zur Befestigung eines derartigen abgewinkelten Hebels Angled lever to a shell component, in particular for the Einstellwinkelsteuerung of a rotor blade, and methods for attachment of such an angled lever |
| 05/05/2011 | WO2011053805A1 Flight control system with dynamic allocation of functionality between flight crew and automation |
| 05/05/2011 | US20110103966 Flow balancing slot |
| 05/04/2011 | EP2317108A2 A boundary layer energiser |
| 05/04/2011 | EP2317107A2 A boundary layer energiser |
| 05/04/2011 | EP2079634B1 Propeller blade retention |
| 05/03/2011 | US7934907 Cuffed fan blade modifications |
| 05/03/2011 | US7934905 Wind energy system having an insect sensor |
| 04/28/2011 | WO2011048081A1 System for varying the angle of attack of the blades of an aircraft turbine engine propeller, using a brushless electric motor |
| 04/28/2011 | WO2011017071A3 Method and apparatus for pressure adaptive morphing structure |
| 04/28/2011 | CA2777023A1 System for varying the angle of attack of the blades of an aircraft turbine engine propeller, using a brushless electric motor |
| 04/27/2011 | CN101381002B Flying robot for detecting transmission line insulator |
| 04/21/2011 | WO2011046620A2 Aircraft propeller balancing system |
| 04/21/2011 | WO2010128241A3 Electric generator disposed on a rotating turboprop part |
| 04/21/2011 | CA2777415A1 Aircraft propeller balancing system |
| 04/20/2011 | CN201800916U Lifting folding propeller |
| 04/19/2011 | US7926759 Tail rotor hub |
| 04/14/2011 | DE102009048911A1 Airplane propeller has propeller blades mutually connected with one another over rope network, where rope network takes centrifugal forces influencing during operation in radial direction toward propeller blades |
| 04/13/2011 | CN201793018U Four-rotor-winged aircraft with retractable fuselage |
| 04/13/2011 | CN201793017U Rotary retractable four-rotor flight device |
| 04/13/2011 | CN201793016U Ventilation propeller hub of helicopter |
| 04/07/2011 | WO2010128239A3 Electric deicing device for propfan-type propeller blades |
| 04/07/2011 | DE102009041667A1 Antriebsrotor mit Luftkanal Drive rotor with air duct |
| 04/06/2011 | EP2303685A1 Curved wing tip |
| 04/06/2011 | CN102001442A Casting formed blade guide frame and casting forming method thereof |
| 04/06/2011 | CN102001441A Cast and formed blade guiding frame and casting forming method thereof |
| 04/06/2011 | CN102001440A Multi-stage powerful fan and vertical takeoff and landing aircraft |
| 03/31/2011 | WO2011037852A1 Aircraft power management |
| 03/31/2011 | US20110076143 Simplified system for controlling propeller blade pitch in an aircraft turboshaft engine |
| 03/30/2011 | EP2301841A2 Variable shape rotor blade |
| 03/30/2011 | EP2300317A1 Device for attaching a blade with variable setting |
| 03/30/2011 | EP2300316A1 Banded turbine |
| 03/30/2011 | EP2270312A9 Aero- or hydrodynamic construction |
| 03/29/2011 | US7914259 Wind turbine blades with vortex generators |
| 03/24/2011 | WO2011033204A1 Turbine engine with contra-rotating non-ducted propellers |
| 03/24/2011 | US20110070086 Simplified system for controlling propeller blade pitch in an aircraft turboshaft engine |
| 03/23/2011 | EP2298643A2 Drive rotor with air duct |
| 03/23/2011 | CN101990452A Directionally controllable flying vehicle and a propeller mechanism for accomplishing the same |
| 03/22/2011 | US7909579 Rotor head for a twin-rotor helicopter |
| 03/09/2011 | EP2292512A2 Aircraft seat with adjustable armrest |
| 03/08/2011 | US7901185 Variable rotor blade for gas turbine engine |
| 03/03/2011 | US20110052397 Stator Blade for a Turbomachine which is Exposable to Axial Throughflow, and also Stator Blade Arrangement for It |
| 03/03/2011 | US20110052392 Method of flight in an expanded speed range using thrust vectoring propellers |
| 03/02/2011 | EP2290194A2 Aerofoil with erosion resistant leading edge |
| 02/23/2011 | EP2287072A2 Fluidfoil tip vortex disruption |
| 02/23/2011 | EP2285460A1 Directionally controllable flying vehicle and a propeller mechanism for accomplishing the same |
| 02/22/2011 | US7891947 Turbine blade and method of fabricating the same |
| 02/17/2011 | US20110038730 Device for Changing a Pitch of a Blade of an Impeller/Propeller and a Fan Comprising the Device |
| 02/17/2011 | US20110036938 Roadable aircraft with collapsible wings and ductless fan |