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Browse by Category: Main > Transportation & Automotive
Class Information
Number: 180/116
Name: Motor vehicles > Surface effect vehicles (i.e., ground effect machines)
Description: Vehicles comprising means maintaining a working fluid mass, i.e., a cushion or film of fluid, between a surface of the vehicle and a reaction supporting surface, to cause a force to act on the vehicle to repel the vehicle from the supporting surface so as to sustain the vehicle in lift above, but in close proximity to, the supporting surface, the said fluid issuing from the vehicle.


Sub-classes under this class:

Class Number Class Name Patents
180/129 Dynamic seal or fluid curtain 11
180/124 Expansible chamber 27
180/127 Flexible skirt 89
180/125 Fluid bearing or fluid pad 72
180/117 Having propulsion or control means 83
180/126 Rigid side walls 61
180/123 Spray deflector 8


Patents under this class:
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Patent Number Title Of Patent Date Issued
7428939 Waterjet drive hovercraft with adjustable trim system Sep. 30, 2008
7398740 Multi-mission/purpose ground-effect craft derived from a common modular platform Jul. 15, 2008
7383907 Air-cushion vehicle Jun. 10, 2008
7334756 Ground-effect craft and method for the cruising flight thereof Feb. 26, 2008
7231997 Hybrid drive powered lift platform Jun. 19, 2007
7219854 Cycloidal hybrid advanced surface effects vehicle May. 22, 2007
7210549 Air board May. 1, 2007
7059259 Wing in ground effect vehicle with endplates Jun. 13, 2006
7055638 Virtual airdam and method for a vehicle Jun. 6, 2006
7051826 Surface effect skimmer May. 30, 2006
6848650 Ground effect airplane Feb. 1, 2005
6742616 Hybrid air boost vehicle and method for making same Jun. 1, 2004
6732672 Trimaran type wing effect ship with small waterplane area May. 11, 2004
6719079 Ground effect vehicle using a frontal ram air stream and aerodynamic lift Apr. 13, 2004
6611743 Suspension for a motorcycle Aug. 26, 2003
6585069 Fluid levitated caster integrating external debris scraper Jul. 1, 2003
6577943 System for distributing road surface information, system for collecting and distributing vehicle information, device for transmitting vehicle information and program for controlling vehicle Jun. 10, 2003
6530444 Controlled levitation vehicle Mar. 11, 2003
6520449 Lifting platform with positive horizontal stability Feb. 18, 2003
6349249 Automated guided apparatus suitable for toping applications Feb. 19, 2002
6318489 Ground effect machine Nov. 20, 2001
6216599 Ground effect transport system Apr. 17, 2001
6200069 Hovercraft work platform Mar. 13, 2001
6186257 Method and system for floating a vehicle Feb. 13, 2001
6045297 Method and apparatus for drilling rig construction and mobilization Apr. 4, 2000
6029929 Ground-effect vehicle Feb. 29, 2000
6002972 Method and apparatus for measuring forces based upon differential pressure between surfaces of an aircraft Dec. 14, 1999
5967666 Air bearing assembly Oct. 19, 1999
5930864 Upright vacuum cleaner Aug. 3, 1999
5931248 Durable roll-stabilizing keel system for hovercraft Aug. 3, 1999
5871061 Hovercraft load transporting apparatus Feb. 16, 1999
5836413 Hovercraft capable of storing energy and air-cushion producing method therefor Nov. 17, 1998
5823283 Container convertible into air cushion support Oct. 20, 1998
5738302 Airborne vehicle Apr. 14, 1998
5737222 Apparatus for measuring lift forces based upon differential pressure between surfaces of an aircraft Apr. 7, 1998
5697468 Spoiler system for ground effect vehicles Dec. 16, 1997
5564963 Air-cushioned toy Oct. 15, 1996
5553347 Upright vacuum cleaner Sep. 10, 1996
5530330 Automated guidance system for a vehicle Jun. 25, 1996
5495911 Trailer-container convertible into air cushion support base for automibile Mar. 5, 1996
5464069 Ground effect vehicle Nov. 7, 1995
5457630 System for onboard lift analysis and apparatus therefor Oct. 10, 1995
5392492 Air-floated apparatus Feb. 28, 1995
5377775 Hovercraft motorcycle Jan. 3, 1995
5273127 Air cushion vehicle ride control system Dec. 28, 1993
5186415 Aircraft having means for controlling the ground effect flying altitude by sensing air pressure on the surface of the wing Feb. 16, 1993
5181580 Cyclical variable aperture valve for air cushion vehicles Jan. 26, 1993
5125470 Hovercraft Jun. 30, 1992
5113961 Tractor and trailer combination air cushioned vehicle May. 19, 1992
5096013 Reduced-noise propulsion system of air-cushion vehicle Mar. 17, 1992

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