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Class Information
Number: 244/23R
Name: Aeronautics > Aircraft, heavier-than-air > Fluid sustained
Description:










Sub-classes under this class:

Class Number Class Name Patents
244/23C Circular configuration 171
244/23B Dual propulsion means, horizontal and vertical 88
244/23A Lifting thrusters 68
244/23D Thrust diverters 121


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8685126 Device for filtering the intake air of an internal combustion engine having ventilation means Apr. 1, 2014
8672262 Mechanically optimized liquid inertia vibration eliminator and aircraft pylon system Mar. 18, 2014
8646721 Fluid dynamic device with thrust control shroud Feb. 11, 2014
8590829 System, floating unit and method for elevating payloads Nov. 26, 2013
8511602 Differential vane vehicle control Aug. 20, 2013
8448892 Aircraft generating a lift from an interior thereof May. 28, 2013
8382029 Wingless hovering of micro air vehicle Feb. 26, 2013
8205822 Active maple seed flyer Jun. 26, 2012
8016226 Vertical take off and landing aircraft system with energy recapture technology Sep. 13, 2011
7520466 Gyro-stabilized air vehicle Apr. 21, 2009
7407132 Method of steering aircraft by moving the stagnation point and aircraft using the method Aug. 5, 2008
7334756 Ground-effect craft and method for the cruising flight thereof Feb. 26, 2008
7188803 Vertical take-off and landing aircraft Mar. 13, 2007
7044422 Gyrostabilized self propelled aircraft May. 16, 2006
6854686 VTOL aircraft Feb. 15, 2005
6817570 Ducted fan vehicles particularly useful as VTOL aircraft Nov. 16, 2004
6616094 Lifting platform Sep. 9, 2003
6568630 Ducted vehicles particularly useful as VTOL aircraft May. 27, 2003
6547181 Ground effect wing having a variable sweep winglet Apr. 15, 2003
6520449 Lifting platform with positive horizontal stability Feb. 18, 2003
6464166 Ducted fan vehicles particularly useful as VTOL aircraft Oct. 15, 2002
6419190 Airborne cleaning and painting robot Jul. 16, 2002
6375117 Flying vehicle and method Apr. 23, 2002
6290184 Flying craft with water and air propulsion source Sep. 18, 2001
6260796 Multi-thrustered hover craft Jul. 17, 2001
6230835 Ground effect vehicle May. 15, 2001
6158540 Ground effect flying craft with simplified air cushion take-off aid Dec. 12, 2000
6053451 Remote-control flight vehicle structure Apr. 25, 2000
6029929 Ground-effect vehicle Feb. 29, 2000
5971321 Body lift airplane assembly Oct. 26, 1999
5909857 Filimonov hybrid dirigible craft Jun. 8, 1999
5895011 Turbine airfoil lifting device Apr. 20, 1999
5842667 Vertical takeoff and landing mass transit system and method Dec. 1, 1998
5738302 Airborne vehicle Apr. 14, 1998
5730390 Reusable spacecraft Mar. 24, 1998
5480110 Transport plane with stub tail Jan. 2, 1996
5402963 Acoustically shielded exhaust system for high thrust jet engines Apr. 4, 1995
5141173 Pressure-jet and ducted fan hybrid electric car Aug. 25, 1992
5072892 Aerodynamic device Dec. 17, 1991
5016837 Venturi enhanced airfoil May. 21, 1991
4886224 Aircraft lift mechanism Dec. 12, 1989
4828205 Device for carrying and lifting loads and moving same by aerodynamic lifting May. 9, 1989
4828058 Hovercraft with improved maneuverability May. 9, 1989
4796836 Lifting engine for VTOL aircrafts Jan. 10, 1989
4705234 Ram wing surface effect vehicle Nov. 10, 1987
4660670 Wing-in-ground effect air cushion vehicle Apr. 28, 1987
4643268 Air lifted and propelled vehicle Feb. 17, 1987
4541357 Watercraft having water jet lift Sep. 17, 1985
4462560 Airplane take-off system Jul. 31, 1984
4151893 Wing in ground effect vehicle May. 1, 1979

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