Patents
Patents for B64C 29 - Aircraft capable of landing or taking-off vertically (1,986)
11/1991
11/05/1991US5062588 Segmented rotatable nozzles
11/05/1991US5062587 Landing gear for a tail sitting airplane
10/1991
10/17/1991WO1991015400A1 Turbocraft
10/17/1991WO1991015399A1 Propeller with twistable blades
10/15/1991US5056737 Vtol aircraft with movable undercarriage
10/08/1991US5054721 Vertical takeoff aircraft
10/08/1991US5054716 Drive system for tiltrotor aircraft
09/1991
09/10/1991US5046684 Airplane with braced wings and pivoting propulsion devices
08/1991
08/27/1991US5042746 Nozzle assembly for aircraft
08/13/1991US5039031 Turbocraft
08/01/1991WO1991011363A1 Vtol aircraft
07/1991
07/30/1991US5035377 Free standing or aircraft lift generator
07/16/1991US5031859 Lift-producing machine or device
07/16/1991US5031858 Apparatus and method for folding and locking rotor blades
05/1991
05/30/1991WO1991007314A1 Apparatus and method for folding and locking rotor blades
05/02/1991WO1991005704A1 Drive system for tiltrotor aircraft
05/02/1991WO1991005698A1 Jam resistant ball screw actuator
04/1991
04/03/1991EP0420382A1 VTOL aircraft utilizing gas flow across wing surfaces for dynamic lift
03/1991
03/27/1991EP0418998A1 Compact vertical take-off and landing aircraft
03/27/1991EP0418218A1 Hp-01 four-blade flying apparatus.
03/26/1991CA2010418A1 Vtol aircraft utilizing gas flow across wing surfaces for dynamic lift
03/13/1991EP0416590A2 Aircraft with engine nacelles tiltable about a transversal axis
02/1991
02/28/1991CA2010417A1 Vertical take-off and landing aircraft capable of implementation in compact form
01/1991
01/30/1991EP0409911A1 Vtol aircraft
01/08/1991US4982914 Aircraft with a plurality of propellers, a pipe structure for thereon holdable wings, for vertical take off and landing
01/03/1991DE3920945A1 Miniature helicopter for working on tall structures - has two fans mounted on ball and socket joints to provide tilt forces for seat frame
12/1990
12/25/1990US4979698 Rotor system for winged aircraft
12/25/1990US4979363 Fluid flow
12/06/1990DE3917499A1 Vertical take-off aircraft - has front and rear propellers which can be swung through 90 deg. NoAbstract
11/1990
11/13/1990US4969614 Jet-propelled aircraft
10/1990
10/24/1990EP0393410A2 Aircraft with a pair of contra-rotating propellers
10/19/1990CA2014774A1 Aircraft, having a pair of counter rotating rotors
09/1990
09/07/1990WO1990009922A1 Reverse engine vstol
08/1990
08/23/1990WO1990009313A1 Vtol aircraft
07/1990
07/17/1990US4941628 Lift generating apparatus, in aircraft employing the lift generating apparatus, and a lift generating method
07/10/1990US4940196 Wing mounting nacelle for a very high by-pass ratio turbojet aero-engine
06/1990
06/19/1990US4934629 Rescue vehicle
06/07/1990DE3841031A1 Vertical take-off aircraft
05/1990
05/15/1990US4925131 Aircraft with a plurality of propellers, a pipe structure for thereon holdable wings, for vertical take off and landing
05/08/1990US4923144 Aircraft with pivotable wing and arrestable propellers
04/1990
04/03/1990US4913377 Devices which may be borne in air and on devices applicable therein
03/1990
03/15/1990DE3830939A1 Vertical take-off aircraft
03/15/1990DE3830930A1 Vertical take-off aircraft
03/07/1990EP0356601A1 Improvements in jet-propelled aircraft
03/07/1990EP0356541A1 Vertically taking off and landing aircraft, which flies horizontally on wings which include a pipe structure and which can be pivoted from substantially vertical to horizontal position
02/1990
02/20/1990US4901947 Vertical takeoff and landing aircraft
02/13/1990US4899957 Air borne craft, for example helicopter, and related devices
02/06/1990US4898343 Thrust-deflecting vane device of V/STOL aircraft
12/1989
12/12/1989US4886224 Aircraft lift mechanism
11/1989
11/14/1989US4880071 Toy air vehicle
08/1989
08/24/1989WO1989007547A1 Hp-01 four-blade flying apparatus
08/09/1989EP0327371A2 Lift generating apparatus, an aircraft employing the lift generating apparatus, and a lift generating method
07/1989
07/05/1989EP0322775A2 Thrust-deflecting vane devices of v/stol aircraft
06/1989
06/29/1989DE3742771A1 Suction-lift aircraft
06/20/1989US4840329 Aircraft with stowable vectorable nozzle and ejector thrust augmentation
05/1989
05/09/1989US4828203 Vertical/short take-off and landing aircraft
05/03/1989EP0314568A1 High by-pass turbo-fan jet engine for aircraft and assembly beneath the wing
05/03/1989CN1032644A Wingless vertically ascending flying machine
04/1989
04/27/1989DE3729149A1 Rotary-wing aircraft and hang glider
04/25/1989US4824338 Pump arrangement which includes axially extending cylindrical ring noses on coned rings with a centering ring and seal ring radially of the face wherein two of the ring nose are oppositionally directed and laid together
04/18/1989US4822255 Pump for pressures exceeding one thousand atmospheres by the provision of a half-pressure chamber around a high pressure chamber between coned ring elements
03/1989
03/16/1989DE3829329A1 Tragvorrichtung fuer senkrecht startende luftfahrzeuge auf grund der direkten wirkung des stroms der motoren Support device for vertical takeoff aircraft on the basis of the direct effect of the current of the motors
03/07/1989US4809503 Solid fuel bar combustion device and a compressor
02/1989
02/14/1989US4804155 VTOL aircraft
01/1989
01/25/1989EP0300746A2 Rescue craft
01/10/1989US4796836 Lifting engine for VTOL aircrafts
12/1988
12/27/1988US4793239 Fluid handling device
12/14/1988EP0294424A1 Vtol aircraft having combination lift and lift/cruise engines
11/1988
11/15/1988US4784351 Aircraft with a plurality of propellers, a pipe structure for thereon holdable wings for vertical take off and landing
10/1988
10/12/1988CN87101858A Aircraft-type vehicle
09/1988
09/27/1988US4773618 High speed vertical take-off and landing aircraft
09/15/1988DE3735918A1 Flap system
09/13/1988US4770371 Fluid motor driven multi propeller aircraft
08/1988
08/30/1988US4767083 High performance forward swept wing aircraft
08/23/1988CA1240968A1 Rigid wing flying craft
07/1988
07/14/1988WO1988005011A1 Vertical take-off and landing aircraft
06/1988
06/22/1988CN87107388A Device for creating lifting power
06/16/1988WO1988004257A1 Vtol aircraft having combination lift and lift/cruise engines
06/16/1988DE3740854A1 Vorrichtung zur erzeugung einer hubkraft Apparatus for generation of a lifting force
02/1988
02/23/1988US4726545 VTOL aircraft having combination lift and lift/cruise engines
02/03/1988CN87105599A Vertol aircraft and components
01/1988
01/28/1988WO1988000556A1 A vtol aircraft and components
12/1987
12/22/1987US4713935 Gas turbine engine for installation in an aircraft fuselage
12/01/1987US4709880 Method and system for improved V/STOL aircraft performance
12/01/1987US4709879 Controlled air-flow aircraft capable of vertical flight
11/1987
11/03/1987US4703906 Airborne craft with an inclinable upper structure
10/1987
10/15/1987DE3711159A1 Flugzeug mit schwenkduesentriebwerk Aircraft with schwenkduesentriebwerk
09/1987
09/17/1987DE3608323A1 Method for supplying fuel to the engine of a load-carrying missile or its supporting thrust device
09/08/1987US4691878 Tilt-rotor wing fold mechanism and method
09/01/1987CA1226257A1 Vtol aircraft
08/1987
08/25/1987US4688743 Aircraft with a retractable variable pitch propeller or a fluid motor driven multi propeller aircraft
07/1987
07/14/1987US4679394 Gas turbine engine power plant
05/1987
05/07/1987DE3612571A1 Centrifugal acceleration propulsion plant
05/05/1987US4662584 Arrangements of or to propellers to improve the capabilities of propeller-driven craft
09/1986
09/23/1986US4613097 Rigid wing flying craft
08/1986
08/14/1986WO1986004558A1 Vertical take-off machine
05/1986
05/06/1986CA1204095A1 Aircraft
03/1986
03/05/1986EP0172829A1 Helicoplane
02/1986
02/25/1986CA1201102A1 Aircraft configuration and control arrangement therefor
02/13/1986EP0120008A4 Tilt wing short takeoff aircraft and method.
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