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Class Information
Number: 244/87
Name: Aeronautics > Aircraft control > Rudders and empennage
Description: Auxiliary airfoils and their arrangements with respect to each other or to fixed portions of aircraft, for steering and stabilizing.










Sub-classes under this class:

Class Number Class Name Patents
244/90R Ailerons and other roll control devices 86
244/89 Elevators both front and rear 33
244/88 Rudders universally mounted 9


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8684315 Active winglet Apr. 1, 2014
8651422 Fuselage section having an integral pressure bulkhead, as well as a fuselage shell having such a fuselage section Feb. 18, 2014
8613409 Aerodynamic flight control surface said of crocodile style for aircraft Dec. 24, 2013
8579230 Attachment pylon for aircraft turboshaft engine, comprising rear flaps with mobile incidence Nov. 12, 2013
8573539 Structure for joining torsion boxes in an aircraft using a triform fitting made from non-metallic composite materials Nov. 5, 2013
8573530 Aircraft with rear annular tail Nov. 5, 2013
8561948 Method for ensuring the safety of an aircraft flying horizontally at low speed Oct. 22, 2013
8550398 Optimization of structures subjected to hot gas streams Oct. 8, 2013
8544800 Integrated wingtip extensions for jet transport aircraft and other types of aircraft Oct. 1, 2013
8496203 Aircraft with vertical stabilizers arranged on a central fuselage body and method, as well as control unit, for compensating a negative pitching moment Jul. 30, 2013
8490925 Non-planar wing tip device for wings of aircraft, and wing comprising such a wing tip device Jul. 23, 2013
8474747 Pivoting stabilising surface for aircraft Jul. 2, 2013
8464977 Positive-pressure flying aircraft Jun. 18, 2013
8444091 Aircraft stabilizer surface trailing edge May. 21, 2013
8439302 Aircraft with at least two rudder units in a non central arrangement May. 14, 2013
8424798 Aircraft with helicopter rotor, thrust generator and assymetric wing configuration Apr. 23, 2013
8408495 Fittings for attaching the vertical tail stabilizer of an aircraft Apr. 2, 2013
8401716 Flight control systems Mar. 19, 2013
8376270 Structural dynamic stability for an aircraft Feb. 19, 2013
8371520 Rapidly convertible hybrid aircraft and manufacturing method Feb. 12, 2013
8371523 Aircraft rudder authority control system Feb. 12, 2013
8360359 Aircraft horizontal stabilizer surface Jan. 29, 2013
8356770 Tail-mounted pointable solar panels for solar-powered aircraft Jan. 22, 2013
8342445 Horizontal tail load alleviation system Jan. 1, 2013
8342446 Airplane with a modifiable surface of vertical empannage Jan. 1, 2013
8292225 Airplane with flat rear fuselage said queue-de-morue empennage Oct. 23, 2012
8282038 Bi-directional flight control surface utilizing a split-track mechanism Oct. 9, 2012
8276847 Cover for an aircraft structure Oct. 2, 2012
8267347 Winging car Sep. 18, 2012
8220737 VTOL aerial vehicle Jul. 17, 2012
8210468 Aircraft stabilizer system and methods of using the same Jul. 3, 2012
8196860 Aircraft having reduced environmental impact Jun. 12, 2012
8196863 Aircraft horizontal stabilizer Jun. 12, 2012
8191825 Fairing system for a horizontal stabiliser of an aircraft and process for installing said system Jun. 5, 2012
8181903 Aircraft having the ability for hovering flight, fast forward flight, gliding flight, short take-off, short landing, vertical take-off and vertical landing May. 22, 2012
8152097 Stabilizing and directional-control surface of aircraft Apr. 10, 2012
8104709 Lateral force joint Jan. 31, 2012
8096500 Mobile surfaces for aircraft with sealed slots Jan. 17, 2012
8074926 Structural dynamic stability for an aircraft Dec. 13, 2011
8072172 Redundant electromechanical actuator for control surfaces Dec. 6, 2011
8061652 Rudder of a commercial aircraft Nov. 22, 2011
8006932 Pivoting coupling system for a large dihedral empennage to the tail fuselage of an aircraft Aug. 30, 2011
7984880 Mechanisms and methods for providing rudder control assist during symmetrical and asymmetrical thrust conditions Jul. 26, 2011
7931234 Continuous fuselage connection Apr. 26, 2011
7913949 Symmetric leading edge device and method to delay flow separation Mar. 29, 2011
7900877 Active winglet Mar. 8, 2011
7896288 Method for improving roll steering of an aircraft and aircraft using same Mar. 1, 2011
7896289 Aircraft tail assembly Mar. 1, 2011
7726611 Active rudder pedal mechanism with foreign object strike tolerance and articulating brake Jun. 1, 2010
7726603 Sandwich-structure flat actuator and application to structural torsion Jun. 1, 2010

1 2 3










 
 
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