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Class Information
Number: 244/62
Name: Aeronautics > Aircraft propulsion
Description: Devices and arrangements for propelling aircraft in flight.










Sub-classes under this class:

Class Number Class Name Patents
244/72 Beating wing 60
244/73R Fluid 40
244/63 Launching 235
244/64 Manual 13
244/70 Paddle wheel 11
244/71 Reciprocating propeller 2
244/65 Screw 30


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8662441 Unmanned aerial vehicle launch system Mar. 4, 2014
8615335 Progressive takeoff thrust ramp for an aircraft Dec. 24, 2013
8511613 Modular externally accessible batteries for an aircraft Aug. 20, 2013
8393580 Modular externally accessible batteries for an aircraft Mar. 12, 2013
8356774 Structure for storing and unfurling a flexible material Jan. 22, 2013
8321119 Methods and systems to facilitate over-speed protection Nov. 27, 2012
8180341 High altitude platform deployment system May. 15, 2012
7886544 Propeller or propeller drive Feb. 15, 2011
7825359 Aircraft spiraling mechanism with jet assistance - E Nov. 2, 2010
7812294 Aircraft spiraling mechanism with jet assistance-f Oct. 12, 2010
7735601 Engine noise Jun. 15, 2010
7665689 Unconventional integrated propulsion systems and methods for blended wing body aircraft Feb. 23, 2010
7642491 Aircraft spiraling mechanism with jet assistance--D Jan. 5, 2010
7637453 Aircraft spiraling mechanism with jet assistance - A Dec. 29, 2009
7635104 Aircraft spiraling mechanism with jet assistance--B Dec. 22, 2009
7624942 Decoupled ducting for twin-engine reaction rotor drive Dec. 1, 2009
7549603 Deflection system for a gas stream in a nozzle Jun. 23, 2009
7313362 High altitude airborne craft used as radio relay and method for placing said airborne craft on station Dec. 25, 2007
7204672 Multi-modal forced vortex device Apr. 17, 2007
7093794 Aircraft and detonative engine incorporating pulse detonation engines Aug. 22, 2006
7012233 Thrust vectoring a flight vehicle during homing using a multi-pulse motor Mar. 14, 2006
6993898 Microwave heat-exchange thruster and method of operating the same Feb. 7, 2006
6974110 Method and apparatus for converting electrostatic potential energy Dec. 13, 2005
6874728 Superman air motor Apr. 5, 2005
6854688 Solid oxide regenerative fuel cell for airplane power generation and storage Feb. 15, 2005
6808145 Dual-mode airbreathing propulsion system Oct. 26, 2004
6752351 Low mass flow reaction jet Jun. 22, 2004
6745980 Unbalanced gyroscopic apparatus for producing unidirectional thrust Jun. 8, 2004
6708925 Mounting arrangement for a gas turbine engine Mar. 23, 2004
6698693 Solar propulsion assist Mar. 2, 2004
6688552 Variable cycle propulsion system with mechanical transmission for a supersonic airplane Feb. 10, 2004
6672539 Power generation system Jan. 6, 2004
6581882 Low-thrust cryogenic propulsion module Jun. 24, 2003
6550718 Aircraft engine Apr. 22, 2003
6536708 Take-off device for airplanes Mar. 25, 2003
6488233 Laser propelled vehicle Dec. 3, 2002
6405976 Counter-rotation disc lift device Jun. 18, 2002
6367739 Compound exhaust system Apr. 9, 2002
6364253 Remote piloted vehicle powered by beamed radiation Apr. 2, 2002
6347766 Method and apparatus for generating propulsive forces without the ejection of propellant Feb. 19, 2002
6328258 Air intake structure for aircraft engine Dec. 11, 2001
6193194 Magnetic propulsion system and operating method Feb. 27, 2001
6179250 Air and space vehicle propulsion system Jan. 30, 2001
6098924 Method and apparatus for generating propulsive forces without the ejection of propellant Aug. 8, 2000
6089511 Method and apparatus for propulsion Jul. 18, 2000
6054521 Erosion resistant-low signature liner for solid propellant rocket motors Apr. 25, 2000
5971322 Propeller propulsion unit for aircrafts in general Oct. 26, 1999
5931414 Missile for combatting moving targets Aug. 3, 1999
5857645 Crown balloon system Jan. 12, 1999
5855340 3X multi-engine jet configuration and method of operation Jan. 5, 1999

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