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Class Information
Number: 244/221
Name: Aeronautics > Aircraft control > Pilot operated > Control system
Description: Apparatus comprising an aeronautical machine having an arrangement of structural and other movable parts, at least one movable part being movably engaged by a human operator for moving a structural part for guiding the aeronautical machine or structure thereby.


Sub-classes under this class:

Class Number Class Name Patents
244/233 Cable 16
244/229 Dual 31
244/228 Electric 35
244/226 Fluid 31
244/222 Other than hand or foot actuated 3
244/232 With cable and linkage 29
244/225 With dual purpose surface structure (e.g., elevons) 26
244/223 With feel 80
244/231 With interengaging gearing 4
244/224 With locking means 48
244/230 With variable output 28


Patents under this class:
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Patent Number Title Of Patent Date Issued
7611098 Flight management process for an aircraft Nov. 3, 2009
7552897 Method and system for rotary code-based control Jun. 30, 2009
7493196 On-board flight management system for aircraft Feb. 17, 2009
7474944 Control system and method with multiple linked inputs Jan. 6, 2009
7201347 Process for improving the landing of an aircraft Apr. 10, 2007
7178757 Motorcycle rider autogyro Feb. 20, 2007
7040571 Single pull control horn May. 9, 2006
6860452 Aircraft flight surface control system Mar. 1, 2005
6755376 Dual control horn Jun. 29, 2004
6745977 Flying car Jun. 8, 2004
6739550 Flight control surface control unit May. 25, 2004
6722616 Method of lift control of aircraft and system therefor Apr. 20, 2004
6678567 Pilot input device to control direction, altitude, and speed of aircraft Jan. 13, 2004
6675076 System, autopilot supplement assembly and method for increasing autopilot control authority Jan. 6, 2004
6644600 Method and system for providing manipulation restraining forces for a stick controller on an aircraft Nov. 11, 2003
6626401 Aft fuselage control system for forward lifting elevator aircraft Sep. 30, 2003
6561463 Flight control module with integrated spoiler actuator control electronics May. 13, 2003
6526338 Electrical fly-by-wire system for operating an aircraft rudder Feb. 25, 2003
6443399 Flight control module merged into the integrated modular avionics Sep. 3, 2002
6347770 Dual-control stick for aircraft Feb. 19, 2002
6334592 Flight control apparatus for helicopters Jan. 1, 2002
6325331 Trim actuator Dec. 4, 2001
6276640 Device for assisting with retrimming an aircraft control Aug. 21, 2001
6257529 Servo actuator apparatus and aircraft control apparatus Jul. 10, 2001
6254037 Variable gradient control stick force feel adjustment system Jul. 3, 2001
6236913 Method and device for inputting and controlling flight data May. 22, 2001
6236912 Process and device for aiding aerial navigation, with display of navigation instruments used May. 22, 2001
6224021 Thrust control apparatus and method for an airplane May. 1, 2001
6206329 Process and device for the control of the rudder of an aircraft Mar. 27, 2001
6199028 Detector for human loss of tracking control Mar. 6, 2001
5984241 Bi-directional, dual acting, electric safety lock Nov. 16, 1999
5911390 Bobweight assembly for establishing a force feedback on a manually movable control element Jun. 15, 1999
5853152 Collective detent system for vertical takeoff flight operations Dec. 29, 1998
5826822 System and method for providing cyclic and collective pitch control in a rotary wing aircraft Oct. 27, 1998
5823471 System for controlling a control surface articulated to a structure of a vehicle Oct. 20, 1998
5820071 Mechanical coupler/decoupler Oct. 13, 1998
5727757 Slotted cam control system Mar. 17, 1998
5538209 Hardover protection system for an aircraft Jul. 23, 1996
5445346 Aircraft tail surface spoilers Aug. 29, 1995
5170969 Aircraft rudder command system Dec. 15, 1992
5128671 Control device having multiple degrees of freedom Jul. 7, 1992
5058825 Steering aid for rotor aircraft Oct. 22, 1991
4982918 Force sensitive aircraft throttle with feedback Jan. 8, 1991
H703 Manual control apparatus with electable mechanical impedance Nov. 7, 1989
4863122 Aircraft rudder thermal compensation linkage Sep. 5, 1989
4778133 Slider wheel pitch and roll control stick apparatus for an aircraft Oct. 18, 1988
4759515 Drive control for a vertical rudder of an aircraft Jul. 26, 1988
4533096 High lift system control assembly Aug. 6, 1985
4330829 Helicopter flight stability control induced oscillation suppression May. 18, 1982
4244541 Dual cam control mechanism for coordinated deployment and retraction of an air-craft's leading and trailing edge wing flaps Jan. 13, 1981

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