| Patents for B64C 21 - Influencing air-flow over aircraft surfaces by affecting boundary-layer flow (1,724) |
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| 09/27/2005 | US6948906 Rotor blade system with reduced blade-vortex interaction noise |
| 09/22/2005 | US20050207895 Aerofoils |
| 09/21/2005 | EP1577212A2 Improvements in or relating to aerofoils |
| 09/15/2005 | WO2003089295A3 Perforated skin structure for laminar-flow systems |
| 09/15/2005 | US20050199766 Propulsion arrangement |
| 09/15/2005 | DE102004024057B3 Aircraft, has fluid duct system connected to pumping device that is driven, by cabin exhaust air, for production of low pressure for suction of boundary layer though valve, where device is jet pump whose driving jets are generated by air |
| 08/31/2005 | EP1495236B1 Solid body having a microstructured surface |
| 08/24/2005 | EP1565659A2 Method and device for generating mixtures of fluids in a boundary layer |
| 08/18/2005 | US20050178924 Perforated skin structure for laminar-flow systems |
| 08/18/2005 | US20050178913 Modification design for the improvement of slow flying aircraft's wing |
| 08/18/2005 | DE10359720B3 Production of an outer skin of a flow body comprises modeling the outer skin by spraying or applying with solvent in the microscopic region, and passing over the flow body in a flow channel |
| 08/11/2005 | US20050173591 Airship and method of operation |
| 08/04/2005 | DE10361390A1 Verfahren und Einrichtung zur Absaugung der Grenzschicht Method and apparatus for extracting the boundary layer |
| 08/03/2005 | EP1558848A2 Method and system for regulating external and internal fluid flow |
| 08/03/2005 | EP1558493A2 Slotted aircraft wing |
| 07/28/2005 | WO2003067169A3 “system and method using a flexible composite sheet for enhanced heat transfer and reduced flow drag” |
| 07/28/2005 | US20050163963 Method and apparatus for reducing drag and noise for a vehicle |
| 07/14/2005 | WO2005063565A1 Method and device for suctioning the boundary layer |
| 06/30/2005 | WO2005058694A2 Method and device for altering the separation characteristics of flow over an aerodynamic surface via hybrid intermittent blowing and suction |
| 06/16/2005 | WO2005054685A1 Method for increasing a blade performance (variants) |
| 06/16/2005 | US20050127245 Method and device for altering the separation characteristics of flow over an aerodynamic surface via hybrid intermittent blowing and suction |
| 05/31/2005 | US6899302 Method and device for altering the separation characteristics of flow over an aerodynamic surface via hybrid intermittent blowing and suction |
| 05/26/2005 | US20050109880 Method and system for producing a potential over a body |
| 05/25/2005 | EP1506922A9 Method and device for reducing the wave drag of a limited supersonic flow region |
| 05/19/2005 | US20050106017 Method and system for regulating fluid over an airfoil or a hydrofoil |
| 05/19/2005 | US20050106016 Method and system for regulating fluid flow over an airfoil or a hydrofoil |
| 05/17/2005 | US6892989 Method for reducing the drag of blunt-based vehicles by adaptively increasing forebody roughness |
| 05/12/2005 | US20050098685 Method and system for regulating pressure and optimizing fluid flow about a fuselage similar body |
| 04/27/2005 | EP1525136A1 Controlling boundary layer fluid flow |
| 04/21/2005 | US20050081530 Arrangement for bleeding the boundary layer from an aircraft engine |
| 04/19/2005 | US6880476 Recesses on a surface |
| 04/06/2005 | EP1519873A1 Airship and method of operation |
| 03/23/2005 | EP1517022A2 Method and system for reduction of jet engine noise |
| 03/22/2005 | US6869049 Method and apparatus for modulating flow separation |
| 03/16/2005 | CN1596208A Method and system for producing a potential over a body |
| 03/15/2005 | US6866234 Method and device for altering the separation characteristics of air-flow over an aerodynamic surface via intermittent suction |
| 03/15/2005 | US6866233 Reconfigurable porous technology for fluid flow control and method of controlling flow |
| 03/03/2005 | US20050045774 Laminar flow nacelle for an aircraft engine |
| 02/24/2005 | US20050040293 Method and device for altering the separation characteristics of air-flow over an aerodynamic surface via intermittent suction |
| 02/16/2005 | EP1506922A1 Method and device for reducing the wave drag of a limited supersonic flow region |
| 02/10/2005 | US20050029396 Channel-wing system for thrust deflection and force/moment generation |
| 01/27/2005 | US20050017126 Slotted aircraft wing |
| 01/20/2005 | DE10332665B3 Method for reducing of wave drag entails use of groups each with number of small spoilers arranged on surface of aerofoil and extended in flow direction and spaced apart at right angles to flow direction |
| 01/13/2005 | WO2005002962A1 Slotted aircraft wing |
| 01/12/2005 | EP1495236A1 Solid body having a microstructured surface |
| 01/06/2005 | US20050003146 Body with improved surface properties |
| 01/04/2005 | CA2218800C Rudder assembly with a controlled boundary layer control for an aircraft |
| 12/16/2004 | US20040253116 Aerofoil with gas discharge |
| 11/25/2004 | DE10319003A1 Wind energy converter with buoyancy or resistance runners has rotor with preferably at least 5 per cent of its surface forming buoyancy and/or resistance runners covered by film with recesses |
| 11/18/2004 | WO2004001267A3 Method and system for regulating external and internal fluid flow |
| 11/18/2004 | DE202004014383U1 Barrier layer measures to effect a barrier layer in a flow-past area of an aircraft's fuselage, support wing and tail plane has multiple laser beams to intersperse a flow boundary layer without gaps |
| 11/04/2004 | WO2004094227A1 Apparatus and method for the reduction of drag |
| 10/28/2004 | DE10318162A1 Wind energy converter with buoyancy or resistance runners has rotor with preferably at least 5 per cent of its surface forming buoyancy and/or resistance runners covered by film with recesses |
| 10/22/2004 | CA2426219A1 Apparatus and method for the reduction of drag |
| 10/21/2004 | WO2004089741A1 Method for reducing kinetic friction |
| 10/20/2004 | EP1469198A1 Wind energy converter with lift improving surface structure. |
| 10/14/2004 | US20040200932 Turbulent flow drag reduction |
| 10/13/2004 | EP1187762B1 Laminar flow control system and suction panel for use therewith |
| 10/07/2004 | US20040197194 Rotor blade system with reduced blade-vortex interaction noise |
| 10/07/2004 | US20040195464 Slotted aircraft wing |
| 10/05/2004 | CA2174213C Surface of a body immersed in a fluid flow |
| 09/28/2004 | US6796533 Method and apparatus for boundary layer reattachment using piezoelectric synthetic jet actuators |
| 09/23/2004 | WO2004081374A1 Device for improving wind turbine blade performance |
| 09/16/2004 | US20040179941 Turboprop engine with co-rotating two-stage high-performance propeller |
| 09/08/2004 | EP1453726A1 Method and system for producing a potential over a body |
| 09/02/2004 | DE10305352A1 Turbopropantrieb mit mitläufigem Zweistufenhochleistungspropeller Turboprop engine with mitläufigem two-stage high efficiency propeller |
| 08/19/2004 | WO2004041638A3 Device for establishing and sustaining laminar boundary-layer flow |
| 08/12/2004 | WO2004067380A1 Proprotor blade with leading edge slot |
| 08/12/2004 | WO2003039949A3 Wing with lift enhancement by internal air flow |
| 08/12/2004 | US20040155150 Solid body with microstructured surface |
| 08/11/2004 | EP1445193A1 Turboprop power plant with two corotating and axially displaced propellers |
| 07/29/2004 | WO2004048871A3 Method and device for generating mixtures of fluids in a boundary layer |
| 07/22/2004 | WO2004060662A1 Drag reduction multilayer film and method of use |
| 07/22/2004 | WO2004041640A8 Slotted aircraft wing |
| 07/15/2004 | WO2004059162A1 Method for increasing operating efficiency of the rotor blade of an aerogenerator (variants) |
| 07/08/2004 | US20040129839 Reconfigurable porous technology for fluid flow control and method of controlling flow |
| 07/01/2004 | US20040126541 Drag reduction article and method of use |
| 06/23/2004 | CN1507544A Solid body having microstructured surface |
| 06/22/2004 | US6752358 Laminar flow control system and suction panel for use therewith |
| 06/10/2004 | WO2004048871A2 Method and device for generating mixtures of fluids in a boundary layer |
| 06/10/2004 | WO2004041640A3 Slotted aircraft wing |
| 06/03/2004 | US20040104309 Method and system for regulating external fluid flow over an object's surface, and particularly a wing and diffuser |
| 06/03/2004 | US20040104301 Aeroplane provided with noise-reducing means, as well as a landing gear and blowing means |
| 06/02/2004 | EP1156962B1 Tangentially directed acoustic jet controlling boundary layers |
| 06/01/2004 | US6742616 Hybrid air boost vehicle and method for making same |
| 05/25/2004 | US6739554 Aircraft weapons bay acoustic resonance suppression system |
| 05/21/2004 | WO2004041640A2 Slotted aircraft wing |
| 05/21/2004 | WO2004041638A2 Device for establishing and sustaining laminar boundary-layer flow |
| 05/12/2004 | CN1496316A Recesses on surface |
| 05/11/2004 | US6732972 High-lift, low-drag, stall-resistant airfoil |
| 05/06/2004 | US20040083938 Recesses on a surface |
| 05/06/2004 | DE10305973B3 Loss reduction device for compression shock includes at least one shock-inducing body spaced out from surface in supersonic flow region |
| 04/29/2004 | DE10117300B4 Verfahren zur Reduzierung von Schwingungen in einem Hohlraum und überströmte Flächenanordnung Method for reducing vibrations in a cavity and flowed over surface arrangement |
| 04/28/2004 | EP1115613B1 Load-bearing structure with reduced tip vortex |
| 04/08/2004 | US20040065772 High-lift, low-drag, stall-resistant airfoil |
| 04/07/2004 | EP1404508A1 Body with improved surface properties |
| 04/01/2004 | DE10244199A1 Device for supplying secondary fluid to transsonic primary flow e.g. for supplying cooling air for film cooling in turbine plant |
| 03/31/2004 | EP1401692A2 Hybrid air boost vehicle and method for making same |
| 03/31/2004 | EP0920378B1 Drag reduction article |
| 03/30/2004 | US6713901 Linear electromagnetic zero net mass jet actuator |