| Patents for B64C 21 - Influencing air-flow over aircraft surfaces by affecting boundary-layer flow (1,724) |
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| 12/07/1988 | EP0294145A1 Aerofoil/hydrofoil |
| 12/06/1988 | US4789117 Vehicle adapted to be in a fluid moving downstream |
| 11/22/1988 | US4786016 Annular nacelle adapted to surround a gas turbine engine |
| 11/22/1988 | US4786009 Yaw and pitch control of air vehicles at high angles of attack |
| 10/13/1988 | DE3710691A1 Surface coating for aerodynamically active parts |
| 10/11/1988 | US4776535 Convoluted plate to reduce base drag |
| 09/28/1988 | EP0284187A1 Boundary layer devices |
| 08/30/1988 | US4767083 High performance forward swept wing aircraft |
| 07/26/1988 | US4759516 Cascaded turbulence generation inhibitor |
| 07/06/1988 | EP0273851A2 Gas turbine engine airfoil |
| 07/06/1988 | EP0273850A2 Bodies with reduced base drag |
| 07/06/1988 | CN85105039B Apparatus for producing a force when in a moving fluid |
| 06/29/1988 | EP0272998A2 Projectile with reduced base drag |
| 06/28/1988 | US4753402 Biased leading edge slat apparatus |
| 06/28/1988 | US4753401 Surface, exhibiting reduced flow resistance, of a body over which turbulent flow takes place |
| 06/14/1988 | US4750693 Device for reducing the frictional drag of moving bodies |
| 06/08/1988 | EP0140936B1 Method and means for preventing wall turbulence |
| 06/07/1988 | US4749151 For use in an aircraft |
| 06/07/1988 | US4749150 Turbofan duct with noise suppression and boundary layer control |
| 04/12/1988 | US4736913 Fluid flow control device |
| 04/12/1988 | US4736912 Apparatus for reducing turbulent drag |
| 02/23/1988 | US4726548 Airfoil self energizing boundary layer control system |
| 01/07/1988 | DE3621783A1 Propeller (airscrew) whose boundary layer is influenced by the energy of the exhaust gas from the propulsion machine |
| 11/25/1987 | EP0246916A1 Boundary layer flow control |
| 11/25/1987 | EP0246915A1 Control of boundary layer flow |
| 11/25/1987 | EP0246914A1 Control of fluid flow |
| 11/19/1987 | WO1987006908A1 Aerodynamic components having leading edge devices |
| 11/17/1987 | US4706910 Combined riblet and lebu drag reduction system |
| 11/11/1987 | EP0245190A2 Gas turbine engine casing with reduced surface drag |
| 11/10/1987 | US4705240 Passive vortex lift control |
| 11/04/1987 | EP0244335A2 Diffuser |
| 11/04/1987 | EP0244334A2 Airfoil-shaped body |
| 09/24/1987 | DE3609541A1 Reduced flow resistance by a surface, having reduced wall shearing stress, of a body over which a fluid flows in a turbulent manner |
| 08/05/1987 | EP0230681A2 Biased leading edge slat apparatus |
| 07/28/1987 | US4682746 Control force generator |
| 06/23/1987 | US4674717 Aircarft wing |
| 06/09/1987 | US4671474 Fluid control apparatus and method utilizing cellular array containing mini-vortex flow patterns |
| 05/20/1987 | EP0222421A1 Laminar flow control airfoil |
| 05/19/1987 | US4666104 For use in aircraft application |
| 05/12/1987 | US4664345 Method for stabilizing laminar separated boundary layers |
| 05/07/1987 | DE3535166A1 Lift aid on aircraft wings |
| 04/28/1987 | US4660788 Supercritical wing |
| 04/01/1987 | EP0216384A2 Device to reduce friction drag |
| 03/26/1987 | DE3534169A1 Circulation stimulation for lift profiles for increasing lift and reducing resistance |
| 03/17/1987 | US4650138 Cascaded micro-groove aerodynamic drag reducer |
| 03/04/1987 | EP0212167A2 Device to reduce friction drag |
| 03/04/1987 | EP0104163B1 Aircraft without engine |
| 02/24/1987 | US4645140 Nozzle system |
| 02/24/1987 | US4644806 Airstream eductor |
| 02/10/1987 | US4641799 Arrangement for controlling the air flow over aerodynamic profiles |
| 01/21/1987 | EP0209171A2 A device for yawing moment control for aircraft |
| 01/14/1987 | EP0208360A2 A device for yaw steering of aircraft |
| 12/23/1986 | US4630997 Apparatus for producing a force when in a moving fluid |
| 12/17/1986 | EP0205289A1 Drag reduction article |
| 10/28/1986 | US4619423 Geometries for roughness shapes in laminar flow |
| 10/22/1986 | CN86102097A Airstream eductor |
| 09/10/1986 | CN85105039A Apparatus for producing a force when in a moving fluid |
| 08/19/1986 | US4606519 Airfoil |
| 07/15/1986 | US4600172 Retractable rounded trailing edge for circulation control wing |
| 06/10/1986 | US4593558 Method of optimizing the aerodynamics of a vehicle body |
| 06/04/1986 | EP0082855B1 Flow-modifying element, especially a rudder |
| 03/11/1986 | US4575030 Laminar flow control airfoil |
| 01/29/1986 | EP0169730A1 Improvements in or relating to fluid excitation alleviation |
| 11/26/1985 | US4555079 Multiple jet blowing around the blunt trailing edge of a circulation controlled airfoil |
| 09/24/1985 | US4542868 Trailing edge device for an airfoil |
| 06/11/1985 | US4522360 Passive drag control of airfoils at transonic speeds |
| 05/28/1985 | US4519563 Pollution reducing aircraft propulsion |
| 05/15/1985 | EP0140936A1 Method and means for preventing wall turbulence. |
| 05/07/1985 | US4515101 Flow-modifying element, especially a rudder |
| 02/26/1985 | US4501397 Method of stabilizing flight of a flying body and flight-stabilized flying body |
| 01/16/1985 | EP0131407A1 Improvements in fuselage side force control |
| 11/28/1984 | EP0126199A1 Aircraft wing |
| 10/16/1984 | US4477040 Aircraft wind energy device |
| 10/11/1984 | WO1984003867A1 Method and means for preventing wall turbulence |
| 04/17/1984 | US4442986 Leading edge augmentor wing-in-ground effect vehicle |
| 04/04/1984 | EP0104163A1 Aircraft without engine. |
| 03/06/1984 | US4434957 Low drag surface |
| 01/17/1984 | US4426054 Upper surface blown powered lift system |
| 10/13/1983 | WO1983003395A1 Aircraft without engine |
| 08/16/1983 | US4398688 Leading edge flap for an airfoil |
| 07/12/1983 | US4392621 Directional control of engine exhaust thrust vector in a STOL-type aircraft |
| 07/06/1983 | EP0082855A1 Flow-modifying element, especially a rudder. |
| 07/05/1983 | US4391424 Method and structure for airfoil thrust and lift control |
| 06/14/1983 | US4388502 Adapter for mounting a microphone flush with the external surface of the skin of a pressurized aircraft |
| 01/20/1983 | WO1983000129A1 Flow-modifying element, especially a rudder |
| 01/05/1983 | EP0068737A1 Leading edge flap for an airfoil |
| 11/09/1982 | CA1135236A2 Nozzle structure with notches |
| 10/19/1982 | US4354648 Airstream modification device for airfoils |
| 07/07/1982 | EP0055638A1 High lift device for wind-driven ships and other applications |
| 06/15/1982 | US4334658 Stalling aerodynamics of the Cessna models 150 and 152 series aircraft |
| 05/26/1982 | EP0052242A1 Device for influencing the current at aerodynamic structures |
| 04/27/1982 | US4326686 Fan jet engine bypass air delivery system for blown wing aircraft lift augmentation device |
| 02/09/1982 | US4314681 Drag-reducing component |
| 12/01/1981 | CA1113442A1 Helicopter |
| 10/27/1981 | US4296899 Apparatus and method for manufacturing laminar flow control aircraft structure |
| 08/25/1981 | US4285482 Wing leading edge high lift device |
| 08/18/1981 | US4284302 Driven craft having surface means for increasing propulsion efficiencies |
| 03/31/1981 | US4258889 Method and apparatus for laminar flow control |
| 02/25/1981 | EP0024069A1 Surface structure of a surface adapted for movement relative to a fluid |
| 10/14/1980 | US4227665 Fixed leading edge slat spoiler for a horizontal stabilizer |