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Class Information
Number: 244/105
Name: Aeronautics > Landing gear > Water landing
Description: Landing gear for use on water.










Sub-classes under this class:

Class Number Class Name Patents
244/107 Emergency 31
244/106 Flying boat 29


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8480443 All season air propelled watercraft Jul. 9, 2013
8430356 Amphibious aircraft Apr. 30, 2013
8430355 Amphibious aircraft Apr. 30, 2013
8286912 Wingtip and sponson interaction on an amphibious aircraft Oct. 16, 2012
8272596 Amphibious aircraft Sep. 25, 2012
8196537 Tandem/canard WIG boat with suspension systems Jun. 12, 2012
8177162 Wingtip and sponson interaction on an amphibious aircraft May. 15, 2012
8131406 Piston engine aircraft automated pre-flight testing Mar. 6, 2012
7980510 Small unmanned aircraft Jul. 19, 2011
7874514 Amphibious aircraft Jan. 25, 2011
7699262 Detachable hydrofoil trim tabs for use with seaplane floats for assisting with lower speed on-plane condition and stability during step turning/chine walk manuevers Apr. 20, 2010
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
7334756 Ground-effect craft and method for the cruising flight thereof Feb. 26, 2008
7159820 Seaplane with retractable twin floats Jan. 9, 2007
7097136 Immersible unmanned air vehicle and system for launch, recovery, and re-launch at sea Aug. 29, 2006
7055450 Transportation vehicle and method operable with improved drag and lift Jun. 6, 2006
7040574 Aircraft and watercraft adapted to float on main wing May. 9, 2006
6957792 Lifting arrangement for aircraft fuselages Oct. 25, 2005
6732672 Trimaran type wing effect ship with small waterplane area May. 11, 2004
6644592 Floatation system Nov. 11, 2003
6644591 Aerodynamic supplementary device for float aircraft Nov. 11, 2003
6592073 Amphibious aircraft Jul. 15, 2003
6398158 High altitude low flying platform hull Jun. 4, 2002
6318670 Water wing for airplane floats Nov. 20, 2001
6290174 Amphibious aircraft with aerodynamic/hydrodynamic sponsons Sep. 18, 2001
6199797 Aircraft float and system utilizing the same Mar. 13, 2001
6042052 Retractable step fairing for amphibian airplane Mar. 28, 2000
5967462 Water bomber float plane and method of water bombing Oct. 19, 1999
5913493 Seaplane hull Jun. 22, 1999
5850990 Multi-purpose aircraft Dec. 22, 1998
5711494 Aero-hydroglider Jan. 27, 1998
5645250 Multi-purpose aircraft Jul. 8, 1997
5622133 Transport facility with dynamic air cushion Apr. 22, 1997
5570857 Hinged aircraft ski for improving egress and ingress from an aircraft cabin Nov. 5, 1996
5542626 Multi-deck passenger aircraft having impact energy absorbing structures Aug. 6, 1996
5415365 High performance amphibious aircraft May. 16, 1995
5277383 Amphibian aircraft Jan. 11, 1994
5273238 Twin-hull seaplane Dec. 28, 1993
5242132 Multi-hulled aircraft/boat Sep. 7, 1993
5065833 Ground-surface-effect wing plane Nov. 19, 1991
5018686 Hydrodynamic lift for flying boats or sea planes May. 28, 1991
4962978 High efficiency seaplane Oct. 16, 1990
4948070 Inflatable external fuel tank Aug. 14, 1990
4848702 Aero marine vehicle Jul. 18, 1989
4712630 Ground effect vehicle Dec. 15, 1987
4705234 Ram wing surface effect vehicle Nov. 10, 1987
4691881 High performance amphibious airplane Sep. 8, 1987
4685641 Transient air and surface contact vehicle Aug. 11, 1987
4662584 Arrangements of or to propellers to improve the capabilities of propeller-driven craft May. 5, 1987

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