| Patents for B64C 11 - Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (3,644) |
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| 04/03/2007 | US7198858 by providing an essentially metallic, and cavity-free, top layer on a ceramic-containing vibration damping coating for a metallic aerospace component, operating at substantially ambient temperature the vibration damping performance of the coating is maintained or enhanced |
| 03/28/2007 | CN1938189A Improved velocity profile impeller vane |
| 03/22/2007 | US20070065288 Wind turbine blade and method of manufacturing thereof |
| 03/22/2007 | US20070065287 Turbine engine disk spacers |
| 03/20/2007 | US7192255 Device for mounting blades on a propeller hub with preloading of the bearings |
| 03/15/2007 | US20070059179 Impeller for a centrifugal compressor |
| 03/15/2007 | US20070059176 Fluid moving device with low-drag impellers |
| 03/15/2007 | DE102005043615A1 Propeller bzw. Propellerantrieb Propeller or propeller |
| 03/14/2007 | EP1588024A4 Cooling fan with reinforced blade |
| 03/14/2007 | CN1304754C Multipower wind and water energy machine |
| 03/08/2007 | US20070053777 Shock absorbing device for watercraft propeller |
| 03/07/2007 | EP1758835A1 Cement-based systems using water retention agents prepared from raw cotton linters |
| 03/07/2007 | EP1758834A1 Cement-based plasters using water rentention agents prepared from raw cotton linters |
| 03/07/2007 | EP1603735B1 Connection between composites with non-compatible properties and method for preparation |
| 03/01/2007 | WO2005099380A3 Lift augmentation system |
| 03/01/2007 | US20070048139 Cylindrical rotor with internal blades |
| 02/28/2007 | EP1755945A2 Lift augmentation system |
| 02/27/2007 | US7182578 Ceramic spindle coupling structure |
| 02/27/2007 | US7182290 Methods and systems for starting propeller-driven devices |
| 02/22/2007 | US20070041839 Propeller blade retention system |
| 02/22/2007 | US20070041837 Blade-pitch-angle control device and wind power generator |
| 02/22/2007 | US20070041834 Device For Detecting Damage Of A Wind Energy Turbine Rotor Blade Due To A Lightning Strike |
| 02/22/2007 | DE102005034435B3 Rotor Rotor |
| 02/15/2007 | US20070036659 Method of manufacturing a wind turbine blade, wind turbine blade, front cover and use of a front cover |
| 02/15/2007 | US20070036656 Mistake proof identification feature for turbine blades |
| 02/13/2007 | US7175391 Turbine blade |
| 02/08/2007 | US20070031261 Turbine having variable throat |
| 02/08/2007 | US20070031257 Propeller fan for heat exchanger of in-vehicle air conditioner |
| 02/08/2007 | US20070031254 Fluid flow energy conversion apparatus |
| 02/07/2007 | EP1748967A1 Cement-based systems using plastification/extrusion auxiliaries prepared from raw cotton linters |
| 02/07/2007 | CN1910081A 推进器 Propeller |
| 02/07/2007 | CN1298588C Variable pitch rotor blade for shrouded rotors, in particular helicopter rotors |
| 02/06/2007 | US7172391 Propeller actuation system |
| 01/31/2007 | CN1906086A 飞行器 Aircraft |
| 01/31/2007 | CN1904391A Reciprocating propeller |
| 01/30/2007 | US7168656 Lightweight helicopter |
| 01/25/2007 | WO2007010329A1 Wind turbine blade |
| 01/23/2007 | US7165945 Braided spar for a rotor blade and method of manufacture thereof |
| 01/18/2007 | WO2007007029A1 A helicopter |
| 01/18/2007 | US20070014670 Nozzle blade for steam turbine, nozzle diaphragm and steam turbine employing the same, and method of fabricating the same |
| 01/18/2007 | CA2614388A1 A helicopter |
| 01/17/2007 | EP1742892A1 Joint compounds using thickeners prepared from raw cotton linters |
| 01/10/2007 | EP1740824A2 Methods and systems for controlling the pitch of a propeller |
| 01/10/2007 | EP1740514A1 Gypsum-based mortars using water retention agents prepared from raw cotton linters |
| 01/10/2007 | EP1740513A1 Tile cement mortars using water retention agents |
| 01/04/2007 | US20070003415 Mixing impeller and method with weld locations |
| 01/02/2007 | US7156622 Compressor blade for an aircraft engine |
| 12/28/2006 | US20060292009 Vertically staggered helicopter rotor blade assembly |
| 12/28/2006 | US20060292007 Boat propeller with adjustable blades for adjusting the pitch thereof |
| 12/27/2006 | CN1886293A Shock absorber for pitch-adjustable propeller with feathering blades, particularly for sailers |
| 12/26/2006 | US7153100 Ceiling fan with retractable fan blades |
| 12/21/2006 | WO2005105698A8 Gypsum-based mortars using water retention agents prepared from raw cotton linters |
| 12/21/2006 | US20060284007 Propeller guard for aircraft |
| 12/20/2006 | EP1732805A2 Improved velocity profile impeller vane |
| 12/19/2006 | US7150433 Aircraft bolster trays |
| 12/14/2006 | WO2006133363A2 Impeller with machining access panel |
| 12/14/2006 | US20060280614 Rotor blade for a wind power station |
| 12/14/2006 | US20060280609 Impeller with machining access panel |
| 12/14/2006 | US20060280604 Apparatus and methods for inspecting cooling slot defects in turbine rotor wheels |
| 12/14/2006 | US20060280603 Ram air turbine speed sensing ball detent over-speed prevention mechanism |
| 12/13/2006 | EP1731765A2 External gear pump for a propeller drivable in both directions |
| 12/07/2006 | US20060275134 Blade of axial flow-type rotary fluid machine |
| 12/07/2006 | US20060275127 Rotor for a gas turbine and gas turbine |
| 12/05/2006 | US7144222 Propeller |
| 12/05/2006 | US7143988 Apparatus and method for mounting a fixture |
| 12/05/2006 | US7143468 Vortex vacuum cleaner nozzle with means to prevent plume formation |
| 11/30/2006 | US20060269419 Turbine blade trailing edge construction |
| 11/23/2006 | US20060263223 Fan blade with ridges |
| 11/23/2006 | US20060263220 Ram air turbine blade rotation over-speed prevention mechanism |
| 11/23/2006 | US20060263216 Detection of gas turbine airfoil failure |
| 11/23/2006 | DE102004016977B4 Rotor für eine Turbomaschine Rotor for a turbomachine |
| 11/15/2006 | EP1722106A1 Method for increasing a blade performance (variants) |
| 11/14/2006 | US7134840 Rotor system for a remotely controlled aircraft |
| 11/09/2006 | US20060251520 Turbine module for a gas-turbine engine with rotor that includes a monoblock body |
| 11/09/2006 | US20060251517 Transporting and storing curved wind turbine blades |
| 11/08/2006 | EP1719918A1 Round honeycomb rotor |
| 11/08/2006 | EP1719699A1 Protection piece for the leading edge of a blade |
| 11/02/2006 | WO2006116072A1 Cross-flow fan propulsion system |
| 11/02/2006 | US20060245926 Vane coupling |
| 10/26/2006 | US20060239824 Proprotor blade with leading edge slot |
| 10/26/2006 | US20060239818 System for monitoring damage to a rotor blade of a rotary-wing aircraft |
| 10/26/2006 | US20060239817 Ram air turbine blade disengagement mechanism for over-speed prevention |
| 10/19/2006 | US20060230612 Method and apparatus for repairing turbine rotor |
| 10/19/2006 | CA2810889A1 Counter-torque device for a helicopter |
| 10/18/2006 | EP1711726A1 Reversible driving apparatus for pcu pumps |
| 10/15/2006 | CA2543226A1 Protective part for the leading edge of a blade |
| 10/12/2006 | DE202006008865U1 Device for propulsion of aircraft with two contra-rotating, coaxial propellers has the second propeller driven by internally geared wheel which revolves freely and which is supported on gearcase by thin ring bearing |
| 10/11/2006 | EP1076590B1 Propeller, especially for model airplanes |
| 10/10/2006 | US7118336 Pressurized oil supply for propeller engine system |
| 10/05/2006 | US20060222498 Impeller for centrifugal blower |
| 10/04/2006 | EP1707485A1 Propeller |
| 10/04/2006 | EP1706316A1 Pressurized oil supply for propeller engine system |
| 10/04/2006 | CN1842656A 圆形蜂窝转子 Round honeycomb rotor |
| 10/03/2006 | CA2228448C Bearing preload |
| 09/28/2006 | US20060214052 Aerodynamic lifting device and airborne craft |
| 09/26/2006 | US7112044 Blades |
| 09/19/2006 | US7107755 Engine arrangement |
| 09/05/2006 | US7100868 Method for the control of aero gas turbine engines |
| 09/05/2006 | US7100866 Control system for a flying vehicle |
| 08/31/2006 | US20060193726 Torque-tuned, integrally-covered bucket and related method |