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| Number | Title | Issue Date |
| 8096497 | Power assembly and a coaxial twin propeller model helicopter using the same A coaxial twin propeller model helicopter comprises a power assembly, a twin propeller rotation assembly, a tail rotation assembly, a motor assembly and a gear assembly. The twin propeller rotation assembly comprises a main rotation assembly and a minor rotation ass... | 01/17/2012 |
| 7954752 | Crash attenuation system for aircraft A crash attenuation system for an aircraft, the system having an airbag carried by the aircraft and inflatable generally adjacent an exterior of the aircraft. The airbag has at least one vent for releasing gas from the interior of the airbag. A first gas source is i... | 06/07/2011 |
| 7631834 | Aerial robot with dispensable conductive filament This disclosure involves aerial robots that dispenses conductive filament or systems, methods, and software for support such aerial robots. One remotely powered aerial robot system includes an aerial robot and a power source. The aerial robot comprises a body, a fir... | 12/15/2009 |
| 7510142 | Aerial robot An aerial robot is disclosed. The aerial robot may include at least one pair of counter-rotating blades or propellers, which may be contained within a circumferential shroud or a duct. In one embodiment, the aerial robot may have the ability to hover and move indefi... | 03/31/2009 |
| 7438260 | Vertical take-off aircraft—C A vertical take-off aircraft is disclosed. Looking at the aircraft it can be seen that the aircraft consists of a main rotor assembly 1 at the top of the aircraft which consists of an assembly of blades 2, 3 and a rotor 4. Rotation of the main r... | 10/21/2008 |
| 7429019 | Auxiliary nose undercarriage, a force-transmission structure, and a rotary wing aircraft A steerable auxiliary nose undercarriage (2) for a rotary wing aircraft (1); the undercarriage (2) being retractable substantially rearwards. In the undercarriage (2), an oscillating system (13) presents a elevation stroke (58 | 09/30/2008 |
| 7413140 | Rotary wing aircraft with undercarriage structure A rotary wing aircraft (1) such as a helicopter comprises a force-transmission structure (5) for transmitting forces, in particular those coming from an undercarriage (2), and that, in longitudinal elevation view, presents an L-shape in which th... | 08/19/2008 |
| 7407134 | Auxiliary nose undercarriage, a force-transmission structure, and a rotary wing aircraft A steerable auxiliary nose undercarriage (2) for a rotary wing aircraft (1); the undercarriage (2) being retractable substantially rearwards. In the undercarriage (2), an oscillating system (13) presents a elevation stroke (58 | 08/05/2008 |
| 7278606 | Helicopter having a fusilage section and a tail section coupled thereto A helicopter having: a flow control device provided at one of a lower portion of a side surface of a fuselage and a portion on a lower surface of the fuselage near the side surface and extending downward. ... | 10/09/2007 |
| 7189228 | Detachable cryosurgical probe with breakaway handle The detachable cryosurgical probe includes a disposable probe assembly and a reusable probe assembly. The disposable probe assembly includes a breakaway collar which, when twisted away, activates a finger lock element which provides release of the disposable probe a... | 03/13/2007 |
| 7168657 | Toy helicopter landing skid structure A toy helicopter landing skid structure includes an upper support stand, a propping member and a bottom stand. The upper support stands are connected to the bottom of a helicopter airframe, and the propping member is connected to the bottom of each upper support sta... | 01/30/2007 |
| 7090164 | Method for producing a lift and a horizontal thrust A method of producing a lifting force and a horizontal force by aerodynamic surfaces includes the steps of moving aerodynamic surfaces along a circumference and providing their oscillations; rotating each of the aerodynamic surfaces synchronously with the movement a... | 08/15/2006 |
| 7084196 | Flame retardant compositions Polymeric substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation therein of a synergistic mixture of (i.) at least one compound selected from the group consisting of nitroxyl stabilizers, hydroxylamine stabilizers... | 08/01/2006 |
| 7074003 | Helicopter moving device A helicopter moving device has a lever arm, a helicopter support arm to attach to a helicopter, and a wheel mounted to the lever arm, such that applying downward pressure to the lever arm causes a corresponding upward movement of the helicopter support arm about a p... | 07/11/2006 |
| 7028949 | Landing assist probe mounting system An aircraft landing assist apparatus is designed to be retrofit to existing aircraft having internal constructions that have been modified to support the apparatus. The apparatus is designed so that on rough landings of the aircraft on a ship deck, the apparatus wil... | 04/18/2006 |
| 7025304 | Helicopter messenger cable illumination An apparatus for illuminating the messenger cable of a helicopter includes a helicopter having a floor and including a RAST system; the RAST system comprising a messenger cable with a connector attached to one end for lowering to a landing deck of a ship, the RAST s... | 04/11/2006 |
| 6969027 | Vertical takeoff and landing apparatus A vertical takeoff and landing apparatus is excellent in the maneuverability and postural stability of its airframe, serves to protect a pilot from an impact when landing, and can make extremely stable flight when hovering near a building. An airframe has a propulsi... | 11/29/2005 |
| 6527226 | Flight deck handling system for landed aircraft A remotely controlled movably powered shuttle frame has foundation pads attached thereto at all four corner portions for separating skid pads of a helicopter from the flight deck of a marine vessel, wherein both the skid pads and the fight deck are outfit... | 03/04/2003 |
| 6427942 | Stiffness de-coupled skid landing gear A skid landing gear for a helicopter, in which the directional stiffnesses of the cross members of the skid landing gear have been de-coupled from one another, such that optimization of the longitudinal stiffniess of the cross members may be performed ind... | 08/06/2002 |
| 6371410 | Emergency landing impact absorbing system for aircraft Inflation of impact absorbing bags is effected on a portable platform positioned on an emergency landing zone after jettisoning of damaged landing gear from a helicopter fuselage. The impact absorbing bags when inflated form a cradle shape conforming to t... | 04/16/2002 |
| 6244538 | Stiffness de-coupled skid landing gear A skid landing gear for a helicopter, in which the directional stiffnesses of the cross members of the skid landing gear have been de-coupled from one another, such that optimization of the longitudinal stiffness of the cross members may be performed inde... | 06/12/2001 |
| 6129310 | Aircraft nose landing gear An aircraft nose landing gear installation that utilizes a single piece pin inserted through the gear fittings and into the two piece, fail safe support structure without requiring mechanical retention on the outside of the wheel well.... | 10/10/2000 |
| 5992794 | External airbag protection system for helicopters An airbag protection system for helicopters. Airbags are inflated either automatically or manually, or a combination of both, prior to the helicopter striking the ground, thus avoiding or ameliorating a crash. Proximity sensors detect a fast descent to tr... | 11/30/1999 |
| 5915649 | Roadable helicopter A roadable helicopter according to various aspects of the present invention comprises a vehicle that drives like a conventional car in its road configuration, and converts to fly like a helicopter in its flight configuration. The operator of the helicopte... | 06/29/1999 |
| 5897077 | Quick-change skid landing gear A low-profile transportation and storage assembly is readily substitutable with a conventional pair of skid landing gear. The low-profile transportation and storage assembly includes a front auxiliary crosstube having low-profile wheels attached to opposi... | 04/27/1999 |
| 5893532 | Curved wear surface for helicopter skid shoes A wear surface for helicopter shoes is constructed by forming a railed enclosure on a curved base plate, placing a mosaic of smooth-surfaced tungsten carbide blocks on the base plate within the enclosure, brazing the blocks to the plate and rails, and gri... | 04/13/1999 |
| 5887820 | Wheel-type landing gear for helicopters A wheel-type landing gear is disclosed for helicopters with fastening measures on the helicopter which permit a receiving of the wheel-type landing gear on the craft at fittings provided for the fastening of skid-type landing gear without any additional s... | 03/30/1999 |
| 5860621 | Helicopter landing gear with skids Helicopter landing gear, comprising two skids P each having a longitudinal support stretch 1 for standing on the ground and which are connected to a front cross-piece and a rear cross-piece 2 which are themselves attached to the structure of the aircraft ... | 01/19/1999 |
| 5850990 | Multi-purpose aircraft Several innovative systems for an aircraft, and aircraft incorporating them, are disclosed. Features include inboard-mounted engine(s) with a belt drive system for turning wing-situated propellers; compound landing gear integrating ski, pontoon and wheel ... | 12/22/1998 |
| 5836544 | Emergency soft-landing system for rotor-type aircraft An emergency soft-landing system (10) for use on a rotor-type aircraft such as a helicopter (70). The system (10) includes at least one parachute-containing structure (12) that houses at least one parachute (50). The structure (12) is designed to be selec... | 11/17/1998 |
| 5791593 | Easy-attachable wheel apparatus for helicopters An easily-attachable supplemental wheel apparatus that allows one person to perform the ground-handling functions necessary to maneuver an aircraft or helicopter having a skid configured landing gear. The apparatus includes an axle extending across the la... | 08/11/1998 |
| 5765778 | Flight vehicle with a safety device An aircraft which is capable of safely landing during an emergency landing is disclosed. The aircraft has a safety device which includes a plurality of auxiliary engines. Each auxiliary engine is movable so as to vary the thrust axis in a range between a ... | 06/16/1998 |
| 5664743 | Device for gripping, guiding and transporting wheeled helicopters particularly for ship's decks A device for gripping, guiding and moving wheeled-type helicopters, particularly on board ships, platforms and the like, comprising a pair of crossmembers (6) located parallel to longitudinal axis (X--X) of the vessel and capable of moving transversally t... | 09/09/1997 |
| 5655733 | Aircraft ground transporter An aircraft ground transporter is adapted particularly for the transport of wheelless, skid supported aircraft (e.g., helicopters) on the ground. The transporter is self propelled and includes seating for an operator thereon. The device is hydraulically p... | 08/12/1997 |
| 5337976 | Raisable landing gear for heavier-than-air aircraft, in particular for helicopters The invention relates to raisable landing gear including a shock absorbing leg that is pivotally mounted, and to a driving actuator associated therewith. According to the invention, the leg is implemented in the form of two elements that are hinged to eac... | 08/16/1994 |
| 5224669 | Landing gear for an aerodyne, with arches in composite material The landing gear for an aerodyne, and especially for a helicopter (H), is of the type including lateral members (4) for contact with the ground, such as skids, skis, floats or similar members. The members (4) are linked to the fuselage of the aerodyne (H)... | 07/06/1993 |
| 5211359 | Landing gear for aerodynes, with crosspieces in composite material Landing gear for aerodynes and especially helicopters comprising two lateral members (2) for contact with the ground being linked to the fuselage of the aerodyne by at least two crosspieces (3, 4). These crosspieces (3, 4) are produced as a bundle (7) of ... | 05/18/1993 |
| 5209431 | Device for increasing the stability of helicopters placed on board and set down, having a tricycle landing gear, and helicopter equipped with such a device The invention relates to a device for increasing the stability, especially the lateral stability, of a helicopter placed on board (1) having a tricycle landing gear (2, 6), when it is set down on a moving platform. The device comprises two lateral stabilizers ... | 05/11/1993 |
| 5151004 | Vehicle for moving aircraft A vehicle for conveying aircraft is disclosed which includes a carriage system capable of lifting, supporting and conveying an airplane. The system has alternately deployable primary and auxiliary sets of wheels mounted from the carriage chassis. The whee... | 09/29/1992 |
| 5092540 | Apparatus for capturing, securing and traversing remotely piloted vehicles and methods therefor A system for capturing a remotely piloted vehicle, the remotely piloted vehicle including a snagging line having a mechanism to be snagged at the end thereof. The system includes a snag mechanism for snagging the line of the remotely piloted vehicle, and ... | 03/03/1992 |
