| Patents for B64C 11 - Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (3,644) |
|---|
| 08/14/2008 | WO2008096124A2 Method of operating a counter-rotating propeller engine for noise reduction and such an engine |
| 08/14/2008 | CA2676850A1 Aeroengine |
| 08/13/2008 | EP1514797A4 Closed wing |
| 08/07/2008 | US20080184906 Long range hybrid electric airplane |
| 08/06/2008 | EP1953084A1 Turbo-propeller with adjustable pitch propeller |
| 08/06/2008 | EP1953083A1 Quiet propeller |
| 08/05/2008 | US7407366 Propeller combination for a boat propeller drive having double propellers |
| 07/31/2008 | US20080181781 Preform Spar Cap for a Wind Turbine Rotor Blade |
| 07/31/2008 | US20080181776 Phase control structure for crank-connecting control disk |
| 07/31/2008 | US20080179455 Turboprop with a variable-pitch propeller |
| 07/31/2008 | US20080179451 Method and system for controlling helicopter vibrations |
| 07/30/2008 | CN101233045A Rotor hub fairing system for a counter-rotating, coaxial rotor system |
| 07/29/2008 | CA2322097C Method and apparatus for controlling force fights in a rotating shaft |
| 07/24/2008 | WO2008087443A1 Blades |
| 07/23/2008 | EP1946224A2 Automatic dual rotor speed control for helicopters |
| 07/23/2008 | CN101224789A Shoes-spiking airscrew in air |
| 07/22/2008 | US7402347 In-situ formed thermal barrier coating for a ceramic component |
| 07/16/2008 | CN100402374C Method of manufacturing wind turbine blade |
| 07/10/2008 | WO2008081098A1 Aircraft with rear annular tail |
| 07/10/2008 | CA2670649A1 Aircraft with rear annular tail |
| 07/08/2008 | US7396208 Divided blade rotor |
| 07/08/2008 | CA2517956C Connection between composites with non-compatible properties and method for preparation |
| 07/03/2008 | US20080159862 To rotorcraft rotors fitted with inter-blade dampers |
| 07/02/2008 | EP1937988A2 Hub joint for transferring load from a rotating shaft to a stationary body |
| 06/26/2008 | US20080152503 Fan capable of increasing fluid pressure |
| 06/19/2008 | US20080145225 Shock Absorber for Adjustable Pitch Propeller with Feathering Blades, Particularly for Sailers |
| 06/12/2008 | DE102006058006A1 Anordnung und Verfahren zur Montage eines Bauelements in einem Flugzeug Arrangement and method for mounting a component in an aircraft |
| 06/11/2008 | CN100393504C Connection between composites with non-compatible properties and method for preparation |
| 06/10/2008 | CA2364321C Centrifugal air flow control |
| 06/05/2008 | WO2008065647A1 Motor with torque-balancing means including rotating stator and rotating rotor |
| 06/05/2008 | US20080131278 Turbine blades and turbine blade cooling systems and methods |
| 05/29/2008 | US20080121752 Asymmetrically changing rotating blade shape (ACRBS) propeller and its airplane and wind turbine applications |
| 05/29/2008 | DE19919626B4 Flugzeug mit Verbundflächen Aircraft with composite surfaces |
| 05/28/2008 | EP1585665B1 Proprotor blade with leading edge slot |
| 05/20/2008 | US7374130 Method and apparatus for vehicle control using variable blade pitch |
| 05/15/2008 | WO2008032125A3 Marine propulsion and constructional details thereof |
| 05/15/2008 | US20080114339 Heart assist device with expandable impeller pump |
| 05/15/2008 | US20080112808 Rotor system with pitch flap coupling |
| 05/14/2008 | EP1921325A1 Turbo-propeller comprising an assembly of blades with adjustable orientation. |
| 05/13/2008 | US7370829 Method and system for controlling helicopter vibrations |
| 05/08/2008 | WO2008053230A1 Propeller blade retention |
| 05/08/2008 | US20080105781 Aircraft with reduced environmental impact |
| 05/08/2008 | CA2667469A1 Propeller blade retention |
| 05/01/2008 | US20080101936 Fan for vehicle |
| 05/01/2008 | US20080101934 Assembly for Providing Flexure to Blade System |
| 05/01/2008 | US20080101931 Brushless direct current (BLDC) motor based linear or rotary actuator for helicopter rotor control |
| 04/30/2008 | EP1915514A1 Wind turbine blade |
| 04/24/2008 | WO2008048279A2 Brushless direct current motor (bldc) based actuator for helicopter rotor control |
| 04/24/2008 | US20080095630 Blade wheel for a sewage pump |
| 04/24/2008 | US20080095627 Fan Blades Having Variable Pitch Compliantly Responsive to a Linear Actuator |
| 04/24/2008 | DE102006049818A1 Fanschaufel aus Textilverbundwerkstoff Fan blade made of textile composite material |
| 04/17/2008 | US20080089789 Airfoils for use with turbine assemblies and methods of assembling the same |
| 04/17/2008 | US20080089786 Counter-Rotating Integrated Propeller Assembly |
| 04/10/2008 | DE102004061977B4 Klein-Flugkörper Small missile |
| 04/09/2008 | EP1478570A4 Improved vertical take-off and landing vehicles |
| 04/09/2008 | CN101157380A Vane wheel oar |
| 04/08/2008 | US7354248 Elastomeric bearing elements for droop stop mechanisms |
| 04/08/2008 | US7354247 Blade for a rotor of a wind energy turbine |
| 03/27/2008 | US20080075603 Bond line forming method |
| 03/27/2008 | US20080075597 Systems for powering remote-controlled aircraft |
| 03/26/2008 | EP1901959A1 A helicopter |
| 03/25/2008 | CA2517966C Connection between members |
| 03/20/2008 | WO2008032125A2 Marine propulsion and constructional details thereof |
| 03/19/2008 | EP1900631A1 Marine propulsion and constructional details thereof |
| 03/13/2008 | US20080063528 Turbine wheel |
| 03/06/2008 | WO2007142666A3 Hub joint for transferring load from a rotating shaft to a stationary body |
| 03/06/2008 | US20080056904 Variable geometry guide vane for a gas turbine engine |
| 03/06/2008 | US20080056898 Outdoor umbrella with ventilation arrangement |
| 03/05/2008 | CN100372735C Proprotor blade with leading edge slot |
| 02/28/2008 | CA2598714A1 Tungsten carbide enhanced bearing |
| 02/27/2008 | CN100371217C Umbrella with wing blades and circular track |
| 02/21/2008 | WO2008001299A3 Adjusting apparatus for adjusting the pitch angle of propeller blades, variable-pitch propeller, control function which can be implemented in a computer, and method for adjusting the pitch angle of propeller blades |
| 02/21/2008 | US20080044291 Counter tip baffle airfoil |
| 02/21/2008 | US20080044290 Conformal tip baffle airfoil |
| 02/21/2008 | US20080044289 Tip ramp turbine blade |
| 02/20/2008 | EP1888403A2 Rotor hub fairing system for a counter-rotating, coaxial rotor system |
| 02/19/2008 | US7331765 Two-sweep rotary wing blade with limited taper ratio |
| 02/12/2008 | US7329090 Spring clamping clip |
| 02/07/2008 | WO2007147177A3 A blade |
| 02/05/2008 | US7326435 Method of illuminating a rotary blade by application of a photoluminescent paint |
| 01/31/2008 | US20080025846 Hollow CMC airfoil with internal stitch |
| 01/31/2008 | US20080025839 Stator vane and gas turbine engine assembly including same |
| 01/30/2008 | CN101112914A Low-reynolds number highly effective three blade propeller adapted for stratosphere |
| 01/24/2008 | US20080019836 Damping Arrangement for Guide Vanes |
| 01/24/2008 | US20080019832 Turbine/rotorcraft/oar blade |
| 01/17/2008 | US20080014092 Fan blade modifications |
| 01/10/2008 | WO2007079020A3 Reduction of tonal noise in cooling fans using splitter blades |
| 01/03/2008 | WO2008001299A2 Adjusting apparatus for adjusting the pitch angle of propeller blades, variable-pitch propeller, control function which can be implemented in a computer, and method for adjusting the pitch angle of propeller blades |
| 01/03/2008 | DE102006029057A1 Verstellpropeller Variable pitch |
| 01/03/2008 | CA2655236A1 Adjusting apparatus for adjusting the pitch angle of propeller blades, variable-pitch propeller, control function which can be implemented in a computer, and method for adjusting the pitch angle of propeller blades |
| 12/27/2007 | US20070297906 Laminated Impeller |
| 12/27/2007 | DE102006027599A1 Profile shaped aerodynamic effective component e.g. airplane wings, airplane control, rotor blade and rotor of wind energy plant, has double walled vane shell and composition is almost free from raw material |
| 12/21/2007 | WO2007147177A2 A blade |
| 12/13/2007 | WO2007142666A2 Hub joint for transferring load from a rotating shaft to a stationary body |
| 12/13/2007 | US20070286733 Pre-stretched tie-bolt for use in a gas turbine engine and method |
| 12/13/2007 | DE102006028226A1 Aircraft actuation device has two counter-coaxial propellers, where freely rotating ring gear propels front propeller and rear propeller |
| 12/11/2007 | US7305905 Rotatable member with an annular groove for dynamic balancing during rotation |
| 12/06/2007 | US20070280828 Blade having an integral cuff, and a rotorcraft rotor provided with such a blade |
| 12/04/2007 | US7303373 Wind turbine systems, monitoring systems and processes for monitoring stress in a wind turbine blade |
| 11/29/2007 | US20070274838 Methods and apparatus for assembling and operating semi-monocoque rotary machines |