| Patents for B64C 11 - Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (3,644) |
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| 01/01/2014 | CN103482069A Agricultural unmanned aerial vehicle |
| 12/31/2013 | US8618684 Method for operating a wind turbine |
| 12/27/2013 | WO2013190459A1 Propeller flange lock arrangement |
| 12/26/2013 | US20130343896 Catcher ring arrangement |
| 12/25/2013 | EP2677121A2 A catcher ring arrangement |
| 12/25/2013 | EP2675705A1 Propeller blade and engine provided with said propeller blade for aircraft |
| 12/25/2013 | EP2292512B1 Aircraft seat with adjustable armrest |
| 12/25/2013 | CN103466089A Fast-flying helicopter |
| 12/22/2013 | CA2818666A1 A catcher ring arrangement |
| 12/18/2013 | EP2674357A2 Tapered roller bearing element and propeller blade retention assembly |
| 12/17/2013 | US8608448 Shroudless blade |
| 12/17/2013 | US8608109 Payload use of wing to body volume in an elliptical fuselage |
| 12/11/2013 | CN103434641A Novel propeller utilizing Magnus effect |
| 12/11/2013 | CN103434627A Automatic control mechanism of rocker sliding block type cycloid paddle |
| 12/10/2013 | US8602739 Wind turbine rotor blade and pitch regulated wind turbine |
| 12/08/2013 | CA2816427A1 Helicopter with a transverse duct |
| 12/05/2013 | WO2013178963A1 Method of producing a metal reinforcement for a turbine engine blade |
| 12/05/2013 | US20130323065 Fan rotor blade and fan |
| 12/04/2013 | EP2669192A1 Propeller blade |
| 12/04/2013 | CN103429880A Turbomachine with fan(s) for aircraft, with mobile jet nozzle |
| 12/04/2013 | CN103429780A Method for producing a metal component such as a turbomachine blade reinforcement |
| 12/04/2013 | CN103419924A All-round sea, land and air wing type airflow orientation aircraft |
| 12/03/2013 | US8596975 Simplified system for controlling propeller blade pitch in an aircraft turboshaft engine |
| 12/03/2013 | US8596974 Active rotor blade control effector system for a rotary-wing aircraft |
| 11/28/2013 | WO2013175098A1 Electrical powering system comprising an asynchronous machine and propulsion engine provided with such an electrical powering system |
| 11/28/2013 | US20130315701 Aircraft propulsion system and a method of controlling the same |
| 11/27/2013 | CN203306224U Propeller and aircraft provided with same |
| 11/27/2013 | CN103415388A Component made of composite material comprising boss elements |
| 11/26/2013 | CA2580452C Expandable impeller pump |
| 11/20/2013 | EP2551190B1 Convertiplane |
| 11/20/2013 | EP2427371B1 Propfan blade deicing system |
| 11/20/2013 | CN103402691A Method for producing a metal component such as a turbomachine blade reinforcement |
| 11/20/2013 | CN103395494A Saucer-shaped helicopter |
| 11/20/2013 | CN103395491A Slotting duct propeller systems and hovercar applying same |
| 11/16/2013 | CA2806095A1 Shape memory alloy active spars for blade twist |
| 11/14/2013 | WO2013137964A3 Method and coating for protecting and repairing an airfoil surface |
| 11/12/2013 | US8579594 Wind turbine blade with submerged boundary layer control means |
| 11/12/2013 | US8579587 Method of reducing or even eliminating the vibration of a rotorcraft lift and propulsion rotor, and an airfoil assembly and a rotor implementing said method |
| 11/07/2013 | US20130292096 Heat dissipating fan and fan wheel |
| 11/07/2013 | DE102012207447A1 Ölversorgungssystem für ein Propellerturbinentriebwerk Oil supply system for a turbine engine |
| 11/06/2013 | EP2660146A1 Propeller blade with modified spar layup |
| 11/06/2013 | EP2660145A1 Propeller blade with lightweight insert |
| 11/06/2013 | EP2660144A1 Propeller blade with modified spar stiffness. |
| 11/06/2013 | EP2660143A1 Propeller blade with lightweight insert and bulkheads. |
| 11/05/2013 | US8577509 Method and a system for controlling operation of a wind turbine |
| 10/31/2013 | US20130287577 Rotor-arm assembly and a multi-rotorcraft |
| 10/30/2013 | CN103373466A Electrical wiring system for a rotor hub |
| 10/29/2013 | US8568100 Bi-axial compliant bearing |
| 10/25/2013 | CA2813886A1 Electrical wiring system for a rotor hub |
| 10/25/2013 | CA2805167A1 Aircraft rotor with discrete flap hinge |
| 10/24/2013 | US20130280078 Wind Turbine Blade Pitch Redundant Safety Arrangement |
| 10/24/2013 | US20130280065 Propeller blade pitch actuation system |
| 10/23/2013 | EP2653381A2 Improved propeller blade pitch actuation system |
| 10/23/2013 | EP2653380A2 Propeller blade with internal stiffener |
| 10/23/2013 | EP2653379A2 Propeller blade with metallic foam spar core |
| 10/23/2013 | CN203246583U Wear-resistant propeller |
| 10/17/2013 | WO2013154648A1 Gas turbine engine with high speed low pressure turbine section |
| 10/17/2013 | CA2856561A1 Gas turbine engine with high speed low pressure turbine section |
| 10/15/2013 | US8556589 Hybrid composite for erosion resistant helicopter blades |
| 10/15/2013 | US8556587 Propeller fan |
| 10/15/2013 | US8556583 Blade cooling structure of gas turbine |
| 10/15/2013 | CA2708269C Rotor blade and method of making same |
| 10/09/2013 | EP2647568A2 Propeller blade with reinforced spar core |
| 10/09/2013 | EP2647567A2 Aircraft propeller balancing system |
| 10/03/2013 | US20130259688 Pitch lock system |
| 10/02/2013 | EP2435303B1 Actuator arrangement for pitch adjustment of a turbofan engine, the actuator rotating together with the turbofan blades |
| 10/02/2013 | CN101553399B Propeller blade retention |
| 10/01/2013 | US8545182 Wind turbine blade and hub assembly |
| 10/01/2013 | US8545178 Controlled propeller pitch lock actuation system |
| 09/27/2013 | CA2798727A1 Enhanced performance rotorcraft rotor blade |
| 09/26/2013 | US20130251529 Retractable composite impeller assembly |
| 09/25/2013 | EP2640636A1 Device for shifting a propeller into reverse, comprising an actuator acting on a crank pin |
| 09/25/2013 | CN103328322A High efficiency propeller blade with increased pressure side surface |
| 09/25/2013 | CN103318393A Spiral pressure-guiding drive impeller of runner |
| 09/24/2013 | US8540936 Turbine blade erosion sensor |
| 09/24/2013 | US8540492 Intake cone in a fiber compound material for a gas-turbine engine |
| 09/19/2013 | DE102005061751B4 Rotorblatt für ein Drehflügelflugzeug Rotor blade for a rotary wing aircraft |
| 09/18/2013 | CN203199176U Double-layer propeller blade |
| 09/18/2013 | CN103303083A Navigation system for vehicle, vehicle provided with same and aerocar |
| 09/18/2013 | CN102001442B Casting formed blade guide frame and casting forming method thereof |
| 09/17/2013 | US8535010 Axial flow fan |
| 09/17/2013 | US8535007 Hydraulic actuator locking device |
| 09/17/2013 | CA2759763C Blade for helicopter anti-torque device |
| 09/16/2013 | CA2805894A1 Dual frequency damper for an aircraft |
| 09/11/2013 | CN103287573A Airfoil for use in rotary machines |
| 09/11/2013 | CN103287572A Rotor blade, rotor, aircraft, and method |
| 09/11/2013 | CN103287571A Offset stacked yoke hub for tiltrotor aircraft |
| 09/10/2013 | US8529717 Structural mat for reinforcing a wind turbine blade structure, a wind turbine blade and a method for manufacturing a wind turbine blade |
| 09/10/2013 | US8529205 Passive cyclic pitch control |
| 09/04/2013 | EP2634087A2 Airfoils for use in rotary machines |
| 09/04/2013 | EP2632793A1 High efficiency propeller blade with increased pressure side surface |
| 09/04/2013 | CN103282275A Device for shifting a propeller into reverse, comprising an actuator acting on a crank pin |
| 09/04/2013 | CN101990452B Directionally controllable flying vehicle and a propeller mechanism for accomplishing the same |
| 08/29/2013 | WO2013098736A3 A four-rotor helicopter |
| 08/29/2013 | US20130224022 Helicopter blade retention composite yoke |
| 08/29/2013 | CA2807200A1 Airfoils for use in rotary machines |
| 08/29/2013 | CA2806793A1 Blade insert for a wind turbine rotor blade and related methods |
| 08/29/2013 | CA2806784A1 Blade insert for a wind turbine rotor blade and related methods |
| 08/28/2013 | EP2631323A1 Erosion and fatigue resistant blade and blade coating |
| 08/28/2013 | EP2631169A1 Rotor blade, rotor, aircraft, and method |