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| Number | Title | Issue Date |
| 7631837 | Electrical interlock and indication system for aircraft An electrical interlock and indication system for use with an aircraft having a hinged tail section is provided. The interlock and indication system prevents operation of a latch/lock actuation system of the hinged tail section unless a tail support is engaged to th... | 12/15/2009 |
| 7143975 | Landing arrangement for an aircraft A landing arrangement for an aircraft comprises an aircraft support assembly (22) to support the aircraft (10) when the aircraft is on the ground. The aircraft support assembly (2) is movable between a first ground engaging condition (22 | 12/05/2006 |
| 7040079 | Rake with four-wheel stabilizing system A rake has two side members attached perpendicularly to the rake so as to form an H-shaped frame system. A swivelable wheel is mounted at each corner of the frame. The frame fully stabilizes the rake in a position approximately level with a ground surface as the rak... | 05/09/2006 |
| 6845944 | Multi-positional tail skids and associated methods of use Multi-positional tail skid assemblies and methods for their use. In one embodiment, a multi-positional tail skid assembly includes a skid member and a skid deployment system operably connected to the skid member. The skid member can include a first portion attachabl... | 01/25/2005 |
| 6562479 | Release agent and method for producing same A release agent for use in formation of a lignocellulosic composite product is provided. The release agent comprising at least one fatty acid. The release agent is capable of substantially preventing a mat comprising a lignocellulosic material and an adhe... | 05/13/2003 |
| 6422510 | Shimmy-free aircraft tail wheel conversion A vibration-preventing tail wheel conversion system prevents an aircraft tail wheel from shimmying during the takeoffs and landings. The system retrofits to the original equipment tail wheel fork. A rigid insert in the form of an inverted T comprises a cy... | 07/23/2002 |
| 6257521 | Shimmy-free aircraft tail wheel assembly A vibration-preventing tail wheel assembly prevents an aircraft tail wheel from shimmying during the takeoffs and landings. The unit retrofits and mounts between the aircraft tail spring and the original equipment tail wheel fork. A rigid hub assembly com... | 07/10/2001 |
| 5984229 | Extremely short takeoff and landing of aircraft using multi-axis thrust vectoring A system for enabling an aircraft to accomplish extremely short takeoffs and landings, which includes an integrated flight control system; a takeoff system; a landing system and a high thrust-to-weight propulsion system. The integrated flight propulsion c... | 11/16/1999 |
| 5927646 | Energy absorbing landing gear/tail skid including means for indicating the magnitude of impact loads A landing gear/tail skid having at least two pivot axes (22, 24) which are subject to relative motion in response to impact loads acting on the landing gear/tail skid (10) and a contact arm (18) disposed in combination with pivot axes (22, 24). The cartri... | 07/27/1999 |
| 5056737 | VTOL aircraft with movable undercarriage A vertical take-off and landing aircraft is configured so as to provide, when landing tail-first with its fuselage (1) in a generally vertical attitude, a touchdown area (21) at the tail of the aircraft at a position offset from a line extending along the... | 10/15/1991 |
| 4815678 | Pivotally mounted high energy absorbing aircraft tail skid assembly having predetermined failure mode A high energy absorbing aircraft tail skid assembly for protecting an aircraft fuselage lower skin portion from damage in the event of a tail strike due to over rotation on take-off of the aircraft. The high energy absorbing tail skid assembly is pivotall... | 03/28/1989 |
| 4645143 | Flexible girder with high energy absorption, and landing gear and tail skid for an aircraft equipped with such a girder The flexible girder made of composite materials and with high energy absorption is in the form of an elongate box of laminated structure comprising two rigid flanges (6,7) connected by two webs (9) which have aligned apertures (13). A deformable energy-ab... | 02/24/1987 |
| 4399963 | Elastic tail skid for gliders and light air planes A tail skid mounted to the airframe of a glider of a light air plane comprises a body of elastic material, a support plate imbedded in the elastic body and a skid wheel yieldingly supported in a metal frame mounted to the skid body and elastically connect... | 08/23/1983 |
