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Class Information
Number: 244/59
Name: Aeronautics > Aircraft power plants > High altitude
Description: Devices and arrangements for propelling aircraft at high altitudes, and devices peculiar to aircraft for permitting aircraft to be propelled to high altitudes.










Patents under this class:

Patent Number Title Of Patent Date Issued
8490917 Cold fuel cooling of intercooler and aftercooler Jul. 23, 2013
8448898 Autonomous solar aircraft May. 28, 2013
8308106 Hydrogen powered aircraft Nov. 13, 2012
8205827 Hydrazine monopropellant decomposition air turboprop engine Jun. 26, 2012
8196862 Cold fuel cooling of intercooler and aftercooler Jun. 12, 2012
8028951 Hydrogen powered aircraft Oct. 4, 2011
8011616 Hydrogen powered aircraft Sep. 6, 2011
7856295 Device for issuing authorization to act on the operating conditions of an aircraft engine and engine control system comprising same Dec. 21, 2010
7806365 Long endurance hydrogen powered vehicle Oct. 5, 2010
7686680 Closed-loop cabin pressure control system test method with actual pressure feedback Mar. 30, 2010
7637457 Rankine-Brayton engine powered solar thermal aircraft Dec. 29, 2009
7588846 Energy storage system Sep. 15, 2009
7281681 Hydrogen powered aircraft Oct. 16, 2007
7270295 Solar thermal aircraft Sep. 18, 2007
6808145 Dual-mode airbreathing propulsion system Oct. 26, 2004
6568633 Fuel cell powered electric aircraft May. 27, 2003
6357700 Electrically powered spacecraft/airship Mar. 19, 2002
6283410 Secondary power integrated cabin energy system for a pressurized aircraft Sep. 4, 2001
6224016 Integrated flexible solar cell material and method of production May. 1, 2001
5743489 Aircraft with two alternatingly operated propellers of different radius Apr. 28, 1998
5167117 Method and apparatus for cooling an airplane engine Dec. 1, 1992
5106035 Aircraft propulsion system using air liquefaction and storage Apr. 21, 1992
5074489 Method and system for supporting an airborne vehicle in space Dec. 24, 1991
4907764 Infrared radiation powered lightweight aircraft Mar. 13, 1990
4524552 Mechanism for deploying a deployable truss beam Jun. 25, 1985
4164896 Control alternating system Aug. 21, 1979
4007892 Aircraft flight method and apparatus for boosting an aircraft to a very high altitude and thereafter boosting the aircraft to a high rate of forward speed Feb. 15, 1977
3981466 Integrated thermal anti-icing and environmental control system Sep. 21, 1976











 
 
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