Patents for B64C 11 - Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft (3,644) |
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05/05/2005 | US20050093507 Methods and systems for starting propeller-driven devices |
04/21/2005 | US20050084379 Compressor blade root for engine blades of aircraft engines |
04/19/2005 | US6881025 Suction cup vortex attractor |
04/19/2005 | US6880514 Oil receiver |
04/14/2005 | US20050079053 Cyclic actuation system for a controllable pitch propeller and a method of providing aircraft control therewith |
03/30/2005 | CN1195155C Impeller unit |
03/24/2005 | WO2004009723A8 Low light level illumination for rotating objects |
03/17/2005 | WO2005023645A1 Lift augmentation device and method |
03/17/2005 | DE10339046A1 Vorrichtung zum Elysiersenken Apparatus for Elysiersenken |
03/16/2005 | EP1514797A1 Closed wing |
03/16/2005 | EP1514121A1 Device for detecting impacts on an aeronautic propeller |
03/15/2005 | US6866482 High-performance propeller |
03/15/2005 | US6866475 Fan assembly for use in powered airborne vehicles |
03/10/2005 | US20050052880 Low light level illumination for rotating objects |
03/03/2005 | WO2005020413A2 Self regulating rotor |
03/02/2005 | EP1509775A1 Device for detecting impacts on aeronautic propeller blades |
03/02/2005 | EP1377501A4 Aerodynamic article with protective coating and method of bonding metal to polyurethane |
03/02/2005 | CN1587693A Multipower wind and water energy machine |
03/01/2005 | US6860772 Transverse watercraft propeller |
02/24/2005 | US20050042095 Self regulating rotor |
02/23/2005 | EP1508395A2 Electrochemical machining device |
02/09/2005 | EP1073583A4 Control system for blades for a variable pitch propeller |
02/03/2005 | CA2532599A1 Rotor blade tip section |
01/27/2005 | US20050016842 Fixture for electro-chemical machining |
01/26/2005 | EP1499804A1 Device for adjusting a rotor blade of a wind energy turbine |
01/25/2005 | US6845940 Lift generator by continuously rotating impeller |
01/13/2005 | WO2005003324A2 Improved vertical take-off and landing vehicles |
01/13/2005 | CA2514777A1 Improved vertical take-off and landing vehicles |
01/05/2005 | CN1559857A Cancave-convex blade and concave-convex screw propeller |
01/04/2005 | CA2198753C Rotary apparatus |
12/23/2004 | WO2004110862A1 Wind turbine blade and method of manufacturing thereof |
12/23/2004 | DE10326719A1 Verdichterschaufelfuß für Triebwerksschaufeln von Flugzeugtriebwerken Verdichterschaufelfuß for turbine blades of aircraft engines |
12/15/2004 | EP1486415A1 Wind turbine blade and method of manufacturing a blade root |
12/15/2004 | EP1485290A1 Permanent magnet alternator for a gas turbine engine |
12/15/2004 | EP1485288A1 Actuation system for a controllable pitch propeller |
12/08/2004 | EP1484475A2 Root of an aircraft engine compressor blade |
12/02/2004 | WO2004103813A1 A self-contained variable pitch and/or constant speed propeller including provisions for feathering and reverse pitch operation |
12/02/2004 | WO2004103811A1 Hollow type impeller for water surface shifter |
12/02/2004 | US20040240998 Fluid flow control mechanism |
11/25/2004 | US20040232281 Method for the control of aero gas turbine engines |
11/24/2004 | EP1478570A2 Improved vertical take-off and landing vehicles |
11/18/2004 | US20040227035 High lift and high strength aerofoil section |
11/11/2004 | WO2004063571A3 Cooling fan with reinforced blade |
11/03/2004 | CN2652824Y Drill shape screw propeller |
11/02/2004 | US6811687 Vortex pool cleaner |
11/02/2004 | US6811376 Actuation system for a controllable pitch propeller |
11/02/2004 | CA2376386C Quick disconnect bracket system for propeller deicer |
10/28/2004 | WO2004092010A1 Propulsor |
10/26/2004 | US6808140 Vertical take-off and landing vehicles |
10/21/2004 | WO2004090346A1 Method and apparatus for modifying the flow properties of a fluid medium in the vicinity of a propeller, fan, turbine or engine |
10/12/2004 | US6802881 Rotating wave dust separator |
10/12/2004 | US6802693 Vortex attractor with vanes attached to containing ring and backplate |
10/07/2004 | DE10310816A1 Variable pitch propeller for ultra-light aircraft, uses control device connected to positioning element for blade angle adjustment lever mechanism |
10/06/2004 | CN2646045Y Culvert fan type screw propeller |
10/06/2004 | CN1533947A Gyroplane |
09/29/2004 | EP1462664A2 Methods and apparatus for joining gas turbine parts together |
09/23/2004 | US20040184921 Compressor blade for an aircraft engine |
09/22/2004 | CN1167575C Rotor with split rotor blades |
09/16/2004 | WO2004078465A1 Wind turbine blade, spar for wind turbine blade and method of preparing these |
09/16/2004 | WO2004078462A1 Connection between members |
09/16/2004 | WO2004078461A1 Connection between composites with non-compatible properties and method for preparation |
09/16/2004 | WO2004078442A1 Pre-consolidated pre-form and method of pre-consolidating pre-forms |
09/16/2004 | US20040179941 Turboprop engine with co-rotating two-stage high-performance propeller |
09/08/2004 | EP1343688B1 Offset crowned roller assembly for variable pitch propellers |
09/08/2004 | EP1015305B1 Airfoiled blade for a propeller |
09/07/2004 | US6786036 Bimodal fan, heat exchanger and bypass air supercharging for piston or rotary driven turbine |
09/02/2004 | DE10307610A1 Verdichterschaufel für ein Flugzeugtriebwerk Compressor blade for an aircraft engine |
09/02/2004 | DE10305352A1 Turbopropantrieb mit mitläufigem Zweistufenhochleistungspropeller Turboprop engine with mitläufigem two-stage high efficiency propeller |
08/31/2004 | US6783096 Vertical lift flying craft |
08/25/2004 | EP1450006A1 Compressor blade for aircraft engines |
08/24/2004 | CA2378607C Rotor with a split rotor blade |
08/19/2004 | US20040161339 Gas turbine engine nose cone |
08/18/2004 | CN1521085A General lift propulsion system |
08/12/2004 | WO2004067380A1 Proprotor blade with leading edge slot |
08/11/2004 | EP1445193A1 Turboprop power plant with two corotating and axially displaced propellers |
08/05/2004 | WO2004065211A1 Propelling device |
08/05/2004 | WO2004065210A1 Propelling device |
08/05/2004 | DE10297109T5 Vorrichtung zur Antriebslinearisierung Device for drive linearization |
08/04/2004 | EP1441946A2 Vertical lift flying craft |
08/03/2004 | US6769874 Permanent magnet alternator for a gas turbine engine |
07/29/2004 | WO2004063571A2 Cooling fan with reinforced blade |
07/27/2004 | US6767187 Electrohydraulic device for varying the pitch of the blades of a machine rotor |
07/22/2004 | US20040139710 Passive transfer chamber separator |
07/22/2004 | US20040139709 Dynamic transfer chamber separator |
07/20/2004 | CA2093702C Arrow shaped end blade for rotary wing aircraft |
07/08/2004 | US20040131470 Cooling fan with reinforced blade |
07/01/2004 | US20040126241 Forward swept high efficiency airplane propeller blades |
07/01/2004 | DE19833869C5 Vorrichtung zur Herstellung von Rotorblättern An apparatus for the production of rotor blades |
06/24/2004 | WO2004009723A3 Low light level illumination for rotating objects |
06/24/2004 | US20040118978 Helicopter rotor and method of repairing same |
06/24/2004 | US20040118091 Rotating wave dust separator |
06/15/2004 | US6749401 Hydrodynamically and aerodynamically optimized leading edge structure for propellers, wings, and airfoils |
06/08/2004 | CA2246674C Shaft phase control mechanism |
06/03/2004 | WO2004045948A1 Rotary blade |
05/20/2004 | US20040096331 Aerodynamic article with protective coating and method of bonding metal to polyurethane |
05/19/2004 | DE10252910A1 Drive, especially for lighter-than-air aircraft, has electric drive in propeller casing, windings in blade tips for magnetic regulation of constant small rotor/stator air gap, and integral magnetic drive |
05/18/2004 | US6736600 Rotor with a split rotor blade |
05/13/2004 | US20040091359 Blade and wing configuration |
05/13/2004 | US20040091357 Vortex attractor without a containing ring |
05/11/2004 | US6732521 Control system for a turbo-charged diesel aircraft engine |