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Class Information
Number: 244/198
Name: Aeronautics > Aircraft sustentation > Sustaining airfoils > With lift modification
Description: An airfoil having means associated therewith for modifying a characteristic of the support created thereby.










Sub-classes under this class:

Class Number Class Name Patents
244/200 By characteristic of airfoil's skin 125
244/199.1 By vortex control outside of boundary layer 90
244/201 Variable 89


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8684315 Active winglet Apr. 1, 2014
8684310 Rigid tipped riblets Apr. 1, 2014
8678316 Amorphous metal riblets Mar. 25, 2014
8668166 Shape memory riblets Mar. 11, 2014
8579237 System for setting the span load distribution of a wing Nov. 12, 2013
8573541 Wavy airfoil Nov. 5, 2013
8534217 Location signaling device Sep. 17, 2013
8444092 Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing same May. 21, 2013
8434723 Low drag asymmetric tetrahedral vortex generators May. 7, 2013
8413928 Structurally designed aerodynamic riblets Apr. 9, 2013
8403271 Passive robust flow control micro device Mar. 26, 2013
8382041 Rakelet Feb. 26, 2013
8382040 Hamilton H.N2 laminar flow diskette wing Feb. 26, 2013
8348198 Sail wing with high span efficiency and controlled pitching moment Jan. 8, 2013
8342442 Advanced airship technologies Jan. 1, 2013
8333348 Wing tip load alleviation device and method Dec. 18, 2012
8302904 Dynamic roughness for aerodynamic applications Nov. 6, 2012
8302912 Shock bump Nov. 6, 2012
8286911 Fitting for pivotally connecting aerodynamic control element to aircraft structure Oct. 16, 2012
8235329 Dynamically actuated adaptive control structures Aug. 7, 2012
8191832 Method and device for an aircraft buffet reduction Jun. 5, 2012
8167248 Aircraft comprising a device for reducing the induced drag May. 1, 2012
8146868 Pylon for suspending a turboengine Apr. 3, 2012
8113469 Passive micro-roughness array for drag modification Feb. 14, 2012
8087617 Retractable nacelle chine Jan. 3, 2012
8087618 Propulsion system and method for efficient lift generation Jan. 3, 2012
8083183 Air discharge device for an aircraft Dec. 27, 2011
8083179 Composite material for geometric morphing wing Dec. 27, 2011
8006941 System for reducing aerodynamic noise at a supplementary wing of an aircraft Aug. 30, 2011
7980515 Aircraft wing modification and related methods Jul. 19, 2011
7900871 Wing leading edge having vortex generators Mar. 8, 2011
7866608 Device for controlling a vortex trail generated by the oblong element of an aircraft bearing surface Jan. 11, 2011
7861966 Supersonic aircraft footprint spreading control system and method Jan. 4, 2011
7837141 Reaction drive rotor/wing variable area nozzle Nov. 23, 2010
7823840 Systems and methods for control of engine exhaust flow Nov. 2, 2010
7823838 Aircraft with improved lift Nov. 2, 2010
7798443 Composite material for geometric morphing wing Sep. 21, 2010
7793884 Deltoid main wing aerodynamic configurations Sep. 14, 2010
7780120 Flight control method and apparatus to produce induced yaw Aug. 24, 2010
7766281 System for reducing aerodynamic noise at a supplementary wing of an aircraft Aug. 3, 2010
7740205 Auxiliary wing and flap assembly for an aircraft Jun. 22, 2010
7728265 MEMS type flow actuated out-of-plane flap Jun. 1, 2010
7686256 Conformal aero-adaptive nozzle/aftbody Mar. 30, 2010
7686257 Dual bimorph synthetic pulsator Mar. 30, 2010
7661630 High lift longitudinal axis control system Feb. 16, 2010
7558653 Autopilot system for a helicopter Jul. 7, 2009
7503527 Flight control method and apparatus to produce induced yaw Mar. 17, 2009
7484589 Apparatus and method for reducing aircraft noise and acoustic fatigue Feb. 3, 2009
7475853 Method and system for regulating external fluid flow over an object's surface, and particularly a wing and diffuser Jan. 13, 2009
7410133 Miniature trailing edge effector for aerodynamic control Aug. 12, 2008

1 2 3










 
 
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