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Class Information
Number: 244/7C
Name: Aeronautics > Aircraft, heavier-than-air > Airplane and helicopter sustained > Convertible > Tilting wing

Patents under this class:

Patent Number Title Of Patent Date Issued
8646720 Modular flight vehicle with wings Feb. 11, 2014
8567709 Rotorcraft with variable incident wing Oct. 29, 2013
8517302 Aircraft with integrated lift and propulsion system Aug. 27, 2013
8505846 Vertical takeoff and landing aircraft Aug. 13, 2013
8308522 Flying toy Nov. 13, 2012
8276840 Fail-operational multiple lifting-rotor aircraft Oct. 2, 2012
8256704 Vertical/short take-off and landing aircraft Sep. 4, 2012
8251305 Rotorcraft with variable incident wing Aug. 28, 2012
8083172 Combination spar and trunnion structure for a tilt rotor aircraft Dec. 27, 2011
8070090 Stop-rotor rotary wing aircraft Dec. 6, 2011
8033498 Helicopter Oct. 11, 2011
7997526 Moveable wings on a flying/hovering vehicle Aug. 16, 2011
7871033 Tilt actuation for a rotorcraft Jan. 18, 2011
7861967 Aircraft with integrated lift and propulsion system Jan. 4, 2011
7802754 Tilt outboard wing for tilt rotor aircraft Sep. 28, 2010
7766274 Active maple seed flyer Aug. 3, 2010
7665688 Convertible aerial vehicle with contra-rotating wing/rotors and twin tilting wing and propeller units Feb. 23, 2010
7441724 System and method for controlling a roll rate of a torsionally-disconnected freewing aircraft Oct. 28, 2008
7118066 Tall V/STOL aircraft Oct. 10, 2006
6896221 Vertical takeoff and landing aircraft May. 24, 2005
6659394 Compound tilting wing for high lift stability and control of aircraft Dec. 9, 2003
6607161 Convertible aircraft with tilting rotors Aug. 19, 2003
6367736 Convertiplane Apr. 9, 2002
6227481 Method and apparatus for controlling force fights in a rotating shaft May. 8, 2001
6138943 Foldable ascending/descending wing stand for flying apparatus Oct. 31, 2000
6064923 Aircraft with reduced wing structure loading May. 16, 2000
RE36487 Airplane with variable-incidence wing Jan. 11, 2000
5823468 Hybrid aircraft Oct. 20, 1998
5765777 STOL/VTOL free wing aircraft with variable pitch propulsion means Jun. 16, 1998
5765783 Vertically launchable and recoverable winged aircraft Jun. 16, 1998
5758844 Vertical/short take-off and landing (V/STOL) air vehicle capable of providing high speed horizontal flight Jun. 2, 1998
5405105 Tilt wing VTOL aircraft Apr. 11, 1995
5381985 Wingtip mounted, counter-rotating proprotor for tiltwing aircraft Jan. 17, 1995
5236149 Boundary layer control device for tilt rotor configuration Aug. 17, 1993
5201479 Self-monitoring latch pin lock for folding wing aircraft Apr. 13, 1993
5141176 Tilt wing VTOL aircraft Aug. 25, 1992
5137228 Rotary wing with torsionally flexible blades Aug. 11, 1992
5096140 Aircraft with engine pods tiltable about a transverse axis Mar. 17, 1992
5054716 Drive system for tiltrotor aircraft Oct. 8, 1991
D311719 Aircraft Oct. 30, 1990
4928907 Compound helicopter with no tail rotor May. 29, 1990
4925131 Aircraft with a plurality of propellers, a pipe structure for thereon holdable wings, for vertical take off and landing May. 15, 1990
4923144 Aircraft with pivotable wing and arrestable propellers May. 8, 1990
4784351 Aircraft with a plurality of propellers, a pipe structure for thereon holdable wings for vertical take off and landing Nov. 15, 1988
4613098 Devices which may be borne in air and on devices applicable therein Sep. 23, 1986
4387866 Fluid motor driven propeller-aircraft for vertical take off and landing with a multipurpose pipe structure Jun. 14, 1983
3995793 Roto-wing jet airplane Dec. 7, 1976
3934843 Free wing for convertible aircraft structure Jan. 27, 1976

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