Patents
Patents for B64C 39 - Aircraft not otherwise provided for (3,663)
10/1993
10/14/1993WO1993014973A3 Space vessel shaped like a flying saucer
10/13/1993CN2143591Y Flying disc aeroplane
09/1993
09/16/1993WO1993017909A1 Canard-type flying vehicle
09/16/1993WO1993017908A1 Thrust vectoring free wing aircraft
09/16/1993CA2131986A1 Thrust vectoring free wing aircraft
08/1993
08/31/1993US5240204 Lift generating method and apparatus for aircraft
08/05/1993WO1993014973A2 Space vessel shaped like a flying saucer
08/04/1993EP0553490A1 Flying vehicle
07/1993
07/30/1993CA2087232A1 Aircraft with a ducted fan in a circular wing
07/22/1993WO1993013981A1 Annular body aircraft
07/22/1993CA2126977A1 Hybrid aircraft
06/1993
06/30/1993CN1073643A Super energy-saving surface effect flight vehicle
06/30/1993CN1073642A Air cushion spacecraft with wings
06/23/1993CN1073406A Aircraft having light and small wings without airfield
06/16/1993EP0505509A4 Turbocraft
06/16/1993CN1073145A Bionic airoplane
06/10/1993WO1993011040A1 Light aeroplane
06/09/1993DE4140139A1 Aircraft which can be converted from biplane to monoplane - has short take-off and landing capability but high cruising speed
05/1993
05/27/1993WO1993010000A1 Lockable free wing aircraft
05/25/1993US5213284 Disc planform aircraft having vertical flight capability
04/1993
04/20/1993US5203521 Annular body aircraft
03/1993
03/31/1993EP0534611A1 Improvements in or relating to aircraft
03/02/1993US5190242 Model jet helicopter with solid-circular rotor blade
03/02/1993CA1314035C Airplanes and hydroplanes with multiple fuselages with three support surfaces
02/1993
02/04/1993WO1993001976A1 Lift generating method and apparatus for aircraft
01/1993
01/28/1993DE4114339A1 Environmentally friendly economy passenger aircraft - has ceramic pistons and connecting rod ends, and high piston speeds
01/12/1993US5178344 VTOL aircraft
01/05/1993US5176338 N-dimensional fighter aircraft
12/1992
12/15/1992US5170963 VTOL aircraft
11/1992
11/25/1992CN2122834U Connected wing aircraft
10/1992
10/20/1992US5155992 Method and means for generating a force
10/15/1992DE4212201A1 Reconnaissance aircraft with adaptive control of aerodynamic surfaces - operates in conditions providing for centre of mass to remain close to centre of aerodynamic forces
10/06/1992US5152478 Unmanned flight vehicle including counter rotating rotors positioned within a toroidal shroud and operable to provide all required vehicle flight controls
10/01/1992WO1992016411A1 Aircraft characterized by a cockpit lowered to a position below the front loading plane by means of an interface module
09/1992
09/30/1992EP0505509A1 Turbocraft
09/22/1992US5149012 Aircraft
09/16/1992CN1064455A Principle of electromagnetic driven air vehicle
09/08/1992US5145129 Unmanned boom/canard propeller v/stol aircraft
07/1992
07/21/1992US5131438 Method and apparatus for unmanned aircraft in flight refueling
06/1992
06/02/1992US5118052 Variable geometry RPV
05/1992
05/19/1992US5114096 Tail sitter airplane
04/1992
04/22/1992EP0471691A4 Annular body aircraft
04/15/1992CN2101639U Delivery device
04/07/1992US5102066 Vertical take-off and landing aircraft
03/1992
03/31/1992US5100080 Rotor for developing sustaining and propelling forces in a fluid, steering process, and aircraft equipped with such rotor
03/24/1992US5098034 Vertical/short takeoff or landing aircraft having a rotatable wing and tandem supporting surfaces
03/10/1992US5094638 Water vehicle
03/04/1992EP0472927A1 Method and apparatus for unmanned aircraft in flight refueling
02/1992
02/26/1992EP0471691A1 Annular body aircraft
02/25/1992US5090636 Aircraft
02/21/1992CA2049145A1 Method and apparatus for unmanned aircraft in flight refueling
02/11/1992US5086993 Airplane with variable-incidence wing
02/11/1992US5086992 Aeroplane or model aeroplane
01/1992
01/28/1992CA1295019C Microwave-powered aircraft
01/21/1992US5082204 All wing aircraft
01/21/1992US5082079 Passively stable hovering system
01/16/1992DE4037472A1 Annular wing hover-craft - has annular supporting surface and fan rotating round central spherical fuselage
01/07/1992US5078339 Unmanned aircraft having a pivotably movable double wing unit
01/07/1992US5078335 Device making it possible to convert a motorcycle into a motorized ultralight aircraft
12/1991
12/24/1991US5074489 Method and system for supporting an airborne vehicle in space
12/19/1991DE4018747A1 Jet propulsion system for aircraft - has curved combustion chambers converting heat and explosion impulses directly into thrust
12/17/1991US5072892 Vehicle
12/10/1991US5071383 Radio-controlled flying apparatus
12/10/1991US5071089 Off weight lift wing for skiers and the like
12/10/1991US5071088 High lift aircraft
12/10/1991US5070955 Passively stable hovering system
11/1991
11/21/1991EP0457710A2 An unmanned flight vehicle including counter rotating rotors positioned within a toroidal shroud and operable to provide all required vehicle flight controls
11/14/1991DE4014933A1 Ultra-light aircraft with textile wing - is made from woven material which is inflated to produce required aerodynamic profile
11/12/1991US5064143 Aircraft, having a pair of counter rotating rotors
10/1991
10/22/1991US5058824 Servo control system for a co-axial rotary winged aircraft
10/17/1991WO1991015400A1 Turbocraft
10/15/1991US5056737 Vtol aircraft with movable undercarriage
10/08/1991US5054713 Circular airplane
09/1991
09/18/1991CN1054563A Internal tail surface flying unit
09/10/1991US5046685 Fixed circular wing aircraft
09/10/1991US5046684 Airplane with braced wings and pivoting propulsion devices
09/04/1991CN1054225A Aircraft
08/1991
08/29/1991DE4112585A1 Aircraft with annular wing - generates laminar air flow radially from centre line to provide lift
08/13/1991US5039031 Turbocraft
07/1991
07/31/1991EP0439014A2 Fan-in-wingedge aircraft
07/30/1991US5035382 Rapid assembly aircraft for ground surveillance
07/09/1991US5029774 Glider
06/1991
06/22/1991WO1991009777A1 Glider
06/22/1991CA2071945A1 Glider
06/05/1991EP0429846A1 High altitude aircraft
02/1991
02/21/1991WO1991001917A1 Versatile aircraft with wings comprising integral power units and helium supply fitted with self-contained and interchangeable nacelles
01/1991
01/30/1991EP0409911A1 Vtol aircraft
01/24/1991DE3924081A1 Aircraft with swivel-jointed fuselage - has front part which can be swung about horizontal axis
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
01/01/1991US4981456 Tether mounted
12/1990
12/11/1990US4976395 Heavier-than-air disk-type aircraft
12/06/1990DE3917973A1 Double decker wing for aircraft - has upper and lower surfaces connected by vertical ribs
11/1990
11/15/1990WO1990013479A1 Aircraft
11/15/1990WO1990013478A1 Annular body aircraft
11/13/1990US4969614 Jet-propelled aircraft
10/1990
10/24/1990EP0393752A1 Rotor suitable to develop lifting and/or propulsive forces in a fluid, piloting procedure and aircraft using this rotor
10/24/1990EP0393410A2 Aircraft with a pair of contra-rotating propellers
10/19/1990CA2014774A1 Aircraft, having a pair of counter rotating rotors
10/17/1990EP0392911A1 Device permitting the transformation of a motorcycle into an ultra-light aircraft
10/17/1990CA2014173A1 Rotor capable of developing lifting and propelling efforts in a fluid, pilot technique and aircraft equipped therewith
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