Patents
Patents for B64C 31 - Aircraft intended to be sustained without power plant; Powered hang-glider-type aircraft; Microlight-type aircraft (1,264)
10/1991
10/09/1991CN1055151A Flapping-wing manpower aircraft with dissimilar wings
10/08/1991US5054721 Vertical takeoff aircraft
09/1991
09/03/1991US5044576 Parawing with an automatic canopy withdrawing mechanism
08/1991
08/21/1991EP0442513A1 Paraglider
07/1991
07/18/1991DE4102788A1 Safety device for hand-glider - tightens pilot's safety belt in event of crash
07/09/1991US5029777 Seat harness for parachute of the type having a flexible wing
07/09/1991US5029774 Glider
06/1991
06/22/1991WO1991009777A1 Glider
06/22/1991CA2071945A1 Glider
06/19/1991EP0433159A1 Deployable system for carrying and lifting ammunition
06/18/1991CA1284916C Torpedo recovery device
05/1991
05/30/1991WO1991007316A1 Device for supplying air to a double-surfaced aerodynamic shape
05/29/1991EP0429374A1 Air or water cushion for a harness
05/22/1991CN1051536A Heteropterous flapping wing manpower flight vehicle
05/07/1991US5012993 Gliding parachute
05/02/1991DE4031525A1 Stabilised wing for hang glider - has porous air panels under wing behind leading edge
04/1991
04/10/1991CN2074745U Flying-wing toy
04/04/1991WO1991004589A1 Detection of airborne craft
01/1991
01/31/1991DE4016850A1 In-flight cleaning of aircraft wing leading edge - by vane seated, when not in use, in niche in fuselage or wing fillet, with its outer surface flush with that of aircraft
01/29/1991US4988059 Large area single surface display kite
01/24/1991DE4026089A1 Muscle powered tandem helicopter or sailplane - has pedal operated mechanism which produces constant driving torque
01/08/1991US4982917 Glider-canopy
11/1990
11/14/1990EP0397109A1 Body support for a hang glider type aircraft
11/08/1990DE3914470A1 Hang glider fitted with engine and propeller - has system to vary position of engine support point relative to line of thrust
11/08/1990DE3914469A1 Guard ring for propeller of motorised hang glider - has circumferential groove filled with plastics foam
11/08/1990DE3914468A1 IC engine for use with hang glider - has controls mounted on support which is strapped to pilot's forearm
10/1990
10/31/1990DE3913551A1 Hang-glider pilot suspension belt - has ropes adjustable in flight to bring legs higher
10/17/1990EP0392911A1 Device permitting the transformation of a motorcycle into an ultra-light aircraft
10/11/1990CA2014391A1 Device making it possible to convert a motorcycle in to a motorized ultralight aircraft
10/03/1990CN1045740A Manual flying vehicle with flapping-wings of different fins
08/1990
08/16/1990DE3903779A1 Wing (mainplane)
06/1990
06/19/1990US4934630 Powered airfoil canopy aircraft
06/05/1990US4930724 Powered airfoil canopy aircraft
05/1990
05/22/1990US4927100 Airfoil configuration
04/1990
04/19/1990WO1990003917A1 Kite-like flying device with dual handles and four point control
04/19/1990DE3832157A1 Flying object as a harvesting apparatus, and a method for stabilising the flying object
04/05/1990DE3832697A1 Motorisation supplement for hang gliders and ultra-light aircraft which can making running take-offs
03/1990
03/14/1990CN1007144B Aerodynamic device
03/07/1990EP0174370B1 Ultra light aircraft with freely rotating rigid wing
02/1990
02/20/1990US4901945 Hybrid wing assembly
02/08/1990DE3826856A1 Automatic thrust vector control for weight-controlled ultralight aircraft
02/07/1990EP0354110A1 Flying device to be trailed or propelled
02/06/1990US4898345 Skyboard
01/1990
01/09/1990US4892272 Kite-like flying device with dual handles and four point control
12/1989
12/20/1989EP0346323A1 Steering device for a hang glider.
12/14/1989DE3911663A1 Muscle-powered short-flight aircraft
11/1989
11/30/1989WO1989011417A1 Wind driven craft
11/08/1989EP0341208A1 Powered fuselage suspended below a wing
11/02/1989DE3813369A1 Locking device for propellers of motorised gliders having a retractable engine
10/1989
10/24/1989US4875642 Light aircraft with parachute wing
10/11/1989EP0336910A1 Pneumatic launching device for rescue parachutes for aerodines and aerostats
10/11/1989EP0336277A1 Gliding parachute
10/11/1989CN2045664U Manpower helicopter entertainment equipment
10/05/1989DE3916535A1 Motorisation accessory for all-wing hang gliders which can take off from a running start
10/03/1989US4871132 Aerodynamic structural pipe for hang gliders
08/1989
08/29/1989US4860970 Nonrigid wing aircraft
08/24/1989WO1989007548A1 Hybrid wing assembly
08/24/1989DE3804562A1 Aircraft float
08/24/1989DE3804561A1 Aircraft
08/22/1989US4858854 Inflatable aerodynamic wing structure
08/16/1989EP0327778A1 Seat harness for a gliding airfoil chute
08/02/1989EP0325953A2 Gliding parachute
07/1989
07/25/1989CA1257856A1 Wing structure with self-induced camber
07/18/1989US4848704 Aerodynamic devices
07/12/1989EP0175739B1 Flex wing apparatus
06/1989
06/22/1989DE3741857A1 Drive extension/retraction mechanism for 2-engined aircraft in weight classes (civil) G, I, K and corresponding military aircraft
06/15/1989WO1989005263A1 Improved stunt kite dihedral wing
05/1989
05/24/1989EP0202271B1 Propulsive wing with inflatable armature
05/17/1989EP0315843A1 Ultralight aircraft with interconnected wings
05/11/1989DE3736839A1 Cableway for hang-gliders (kites)
05/11/1989DE3736255A1 Geometrical reduction in the decalage for hang gliders having a flexible wing and gravity-force control, and simultaneous influencing of the profile (warping) in the trailing profile region
05/03/1989DE3735567A1 Hang gliding rescue system
04/1989
04/26/1989EP0180611B1 Aerodynamic devices
03/1989
03/28/1989US4815681 Stunt kite dihedral wing
01/1989
01/12/1989DE3722057A1 Hang glider
01/05/1989DE3714824A1 Hang glider
12/1988
12/28/1988CN88101826A Flying wing with tongue plate and its spray type air cushion
12/22/1988DE3719800A1 Folding propeller device for motorised gliders
11/1988
11/17/1988DE3714825A1 Hang glider
11/01/1988US4781341 Flying wing aircraft
10/1988
10/25/1988US4779825 Aerodynamic devices
10/11/1988US4776530 Safety apparatus for hang glider
09/1988
09/27/1988US4773619 Aircraft structure for take-off and landing on a pilot's feet
09/21/1988EP0127652B1 Air craft structure for take-off and landing on the feet of the pilot
09/15/1988DE3706211A1 Parachute with a motor drive
09/07/1988WO1988006550A1 Steering device for a hang glider
08/1988
08/17/1988EP0278784A2 Light aircraft
08/04/1988DE3702273A1 Hang glider composite-wing system
07/1988
07/14/1988WO1988005010A1 Pendular pilotting device integrated on two axes of an aircraft
05/1988
05/19/1988DE3637691A1 Hang glider having a telescopic lateral rod or wing strut and a wing profile which can be clamped on by means of elastic sail slats
05/11/1988DE3717030A1 Mainplane cleaning apparatus for removing flies or the like from the wing leading edge in flight
04/1988
04/28/1988DE3713657A1 Ram pressure ventilation system
03/1988
03/30/1988EP0261753A2 Aerodynamic devices
03/29/1988CA1234513A1 Flex wing apparatus
03/16/1988EP0259363A1 Torpedo recovery device
02/1988
02/02/1988US4722498 Inflatable air foil
01/1988
01/14/1988WO1988000152A1 Foldable wing, particularly for slope flight
01/14/1988DE3621823A1 Trimming device for hang gliders having a tail motor (engine)
01/05/1988US4717092 Torpedo recovery device
11/1987
11/24/1987US4708079 Flex wing apparatus with resilient couplings
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