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Class Information
Number: 244/66
Name: Aeronautics > Aircraft propulsion > Screw > Tilting
Description: Aircraft screw propellers so arranged that the vertical angle between their line of thrust and the horizontal axis of the aircraft may be varied at will or in response to changing conditions.










Patents under this class:

Patent Number Title Of Patent Date Issued
8579226 Power assisted toy flying device Nov. 12, 2013
8271149 Conversion system fault management system for tiltrotor aircraft Sep. 18, 2012
8245966 Airship and vectored propeller drive therefor Aug. 21, 2012
7871035 Propulsion system for an airship or hybrid aircraft Jan. 18, 2011
7143973 Avia tilting-rotor convertiplane Dec. 5, 2006
7059562 Vertical lift flying craft Jun. 13, 2006
6969028 Scarf nozzle for a jet engine and method of using the same Nov. 29, 2005
6915983 Pivoting power transmission unit with load transfer via the casing Jul. 12, 2005
6883750 Split torque gearbox with pivoted engine support Apr. 26, 2005
6783096 Vertical lift flying craft Aug. 31, 2004
6708920 Air vehicle Mar. 23, 2004
6695264 Power lever tactile cueing system Feb. 24, 2004
6457672 Propulsion nacelle alignment system for tilt-rotor aircraft Oct. 1, 2002
6340133 System to transform a horizontal take-off and self-sustained horizontal flight airplane into self-sustained horizontal flight, vertical landing and take-off, hybrid integrated airplane Jan. 22, 2002
6286783 Aircraft with a fuselage substantially designed as an aerodynamic lifting body Sep. 11, 2001
6260793 Convertible aircraft with tilting rotors Jul. 17, 2001
6227481 Method and apparatus for controlling force fights in a rotating shaft May. 8, 2001
6161800 Pivoting spanwise-flow redirector for tiltrotor aircraft Dec. 19, 2000
5868351 Rotor blade stowing system Feb. 9, 1999
5839691 Vertical takeoff and landing aircraft Nov. 24, 1998
5823468 Hybrid aircraft Oct. 20, 1998
5758844 Vertical/short take-off and landing (V/STOL) air vehicle capable of providing high speed horizontal flight Jun. 2, 1998
5709357 Tiltrotor helicopter Jan. 20, 1998
5622133 Transport facility with dynamic air cushion Apr. 22, 1997
5597137 Vertical take-off and landing aircraft Jan. 28, 1997
5405105 Tilt wing VTOL aircraft Apr. 11, 1995
5381985 Wingtip mounted, counter-rotating proprotor for tiltwing aircraft Jan. 17, 1995
5295641 Propeller blade position controller Mar. 22, 1994
5244167 Lift augmentation system for aircraft Sep. 14, 1993
5141176 Tilt wing VTOL aircraft Aug. 25, 1992
5054716 Drive system for tiltrotor aircraft Oct. 8, 1991
4979698 Rotor system for winged aircraft Dec. 25, 1990
4856732 Airborne vehicle with hydraulic drive and control Aug. 15, 1989
4546938 Power unit for hang-gliders Oct. 15, 1985
4537372 VTOL Aircraft Aug. 27, 1985
4272042 Airship and associated apparatus and method for anchoring same Jun. 9, 1981











 
 
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