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Class Information
Number: 244/12.3
Name: Aeronautics > Aircraft, heavier-than-air > Airplane and fluid sustained > Dual propulsion
Description: Apparatus wherein the aeronautical machine comprises separate and distinct power plants or motive means, at least one of the motive means being used solely for forward or horizontal propulsion and at least one other motive means solely for lift or vertical propulsion.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8636241 Hybrid jet/electric VTOL aircraft Jan. 28, 2014
8636246 Aircraft wing extension and nozzle system Jan. 28, 2014
8622335 Ducted fan VTOL vehicles Jan. 7, 2014
8540184 Long-range aircraft with high forward speed in cruising flight Sep. 24, 2013
8469308 Aircraft wing extension and nozzle system Jun. 25, 2013
8473123 Programmable surface Jun. 25, 2013
8403255 Compound aircraft with autorotation Mar. 26, 2013
8376263 Roadable aircraft Feb. 19, 2013
8336806 Lift fan flow path device Dec. 25, 2012
8220737 VTOL aerial vehicle Jul. 17, 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
8128019 Hybrid power for ducted fan unmanned aerial systems Mar. 6, 2012
8056866 Air-vehicle augmented kinesthetic control system Nov. 15, 2011
7857253 Ducted fan VTOL vehicles Dec. 28, 2010
7789342 Vehicles particularly useful as VTOL vehicles Sep. 7, 2010
7735774 VTOL aircraft with forward-swept fixed wing Jun. 15, 2010
7665689 Unconventional integrated propulsion systems and methods for blended wing body aircraft Feb. 23, 2010
7654486 VTOL personal aircraft Feb. 2, 2010
7611091 High speed vertical take-off and land aircraft with active fan balancing system Nov. 3, 2009
7607606 VTOL personal aircraft Oct. 27, 2009
7584924 High speed vertical take-off and land aircraft with active fan balancing system Sep. 8, 2009
7546975 Tandem rotor wing rotational position control system Jun. 16, 2009
7520466 Gyro-stabilized air vehicle Apr. 21, 2009
7487935 Aircraft having variable incidence wing and air cushion landing system Feb. 10, 2009
7461811 VTOL personal aircraft Dec. 9, 2008
7412825 Flow path splitter duct Aug. 19, 2008
7410122 VTOL UAV with lift fans in joined wings Aug. 12, 2008
7398946 Power line sentry charging Jul. 15, 2008
7364114 Aircraft Apr. 29, 2008
7318564 Power line sentry charging Jan. 15, 2008
7267299 Aircraft Sep. 11, 2007
7267300 Aircraft capable of vertical and short take-off and landing Sep. 11, 2007
7246769 Vehicles particularly useful as VTOL vehicles Jul. 24, 2007
7231997 Hybrid drive powered lift platform Jun. 19, 2007
7104499 Rechargeable compressed air system and method for supplemental aircraft thrust Sep. 12, 2006
7032859 Counter rotating ducted fan having a permanent magnet drive Apr. 25, 2006
6892979 VTOL personal aircraft May. 17, 2005
6883748 Vehicles particularly useful as VTOL vehicles Apr. 26, 2005
6885917 Enhanced flight control systems and methods for a jet powered tri-mode aircraft Apr. 26, 2005
6843447 Vertical take-off and landing aircraft Jan. 18, 2005
6817570 Ducted fan vehicles particularly useful as VTOL aircraft Nov. 16, 2004
6732972 High-lift, low-drag, stall-resistant airfoil May. 11, 2004
6729575 Propulsion system for a vertical and short takeoff and landing aircraft May. 4, 2004
6688552 Variable cycle propulsion system with mechanical transmission for a supersonic airplane Feb. 10, 2004
6672538 Transmission for a coaxial counter rotating rotor system Jan. 6, 2004
6629670 VTOL aircraft with angled thrusters Oct. 7, 2003
6622962 Fixed wing aircraft having powered rotor VTOL capability with rotor blades stowable during horizontal flight Sep. 23, 2003
6575402 Cooling system for a hybrid aircraft Jun. 10, 2003
6568630 Ducted vehicles particularly useful as VTOL aircraft May. 27, 2003
6561456 Vertical/short take-off and landing aircraft May. 13, 2003

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