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Class Information
Number: 244/101
Name: Aeronautics > Landing gear > Amphibian
Description: Landing gear designed to permit aircraft to land on either land or water at will. This includes landing gear having one type retractable to permit use of the other type.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7552895 |
System, apparatus and method to improve the aerodynamics of a floatplane |
Jun. 30, 2009 |
| 7350751 |
Anti-flip landing gear for aircraft |
Apr. 1, 2008 |
| 7188804 |
Float retractable landing gear |
Mar. 13, 2007 |
| 7156033 |
Inflating aircraft flotation device |
Jan. 2, 2007 |
| 7063291 |
Amphibian delta wing jet aircraft |
Jun. 20, 2006 |
| 7040573 |
Landplane to flying boat conversion |
May. 9, 2006 |
| 6974107 |
Thrust reverser system actuator having an integral torque limiter |
Dec. 13, 2005 |
| 6866224 |
Seaplane with retractable twin floats |
Mar. 15, 2005 |
| 6644592 |
Floatation system |
Nov. 11, 2003 |
| 6042052 |
Retractable step fairing for amphibian airplane |
Mar. 28, 2000 |
| 5944282 |
Landing shock absorber |
Aug. 31, 1999 |
| 5850990 |
Multi-purpose aircraft |
Dec. 22, 1998 |
| 5765778 |
Flight vehicle with a safety device |
Jun. 16, 1998 |
| 5645250 |
Multi-purpose aircraft |
Jul. 8, 1997 |
| 5570857 |
Hinged aircraft ski for improving egress and ingress from an aircraft cabin |
Nov. 5, 1996 |
| 5415365 |
High performance amphibious aircraft |
May. 16, 1995 |
| 5181674 |
Wind driven craft |
Jan. 26, 1993 |
| 5065958 |
Helicopter soft snow landing aid |
Nov. 19, 1991 |
| 5000400 |
Four-post wing-stowed main landing gear for high speed aircraft |
Mar. 19, 1991 |
| 4905938 |
Special purpose robotic end effector |
Mar. 6, 1990 |
| 4838194 |
Amphibious vehicle having an efficient water-borne operational mode |
Jun. 13, 1989 |
| 4799630 |
Landing attachment to aircraft for amphibious landing |
Jan. 24, 1989 |
| 4697762 |
Inflatable float assembly and undercarriage for aircraft |
Oct. 6, 1987 |
| 4691881 |
High performance amphibious airplane |
Sep. 8, 1987 |
| 4685641 |
Transient air and surface contact vehicle |
Aug. 11, 1987 |
| 4660670 |
Wing-in-ground effect air cushion vehicle |
Apr. 28, 1987 |
| 4516124 |
Convertible amphibious aircraft wheel position warning system |
May. 7, 1985 |
| 4298175 |
Airplane wing and undercarriage construction |
Nov. 3, 1981 |
| 4165059 |
Float assembly for a helicopter or the like |
Aug. 21, 1979 |
| 4027835 |
Airplane |
Jun. 7, 1977 |
| 3981462 |
Air-cushion landing gear for aircraft |
Sep. 21, 1976 |
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