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Match Document Document Title
7370828 Rotary wing aircraft  
A rotary wing aircraft is provided with longitudinally oriented counter-rotating rotors with circumferentially spaced variable pitch elongated rotor blades connected at their opposite ends to...
7281680 VTOL/STOL ducted propeller aircraft  
The aircraft incorporates a single ducted propeller. The fuselage Bridges over the ducted propeller assembly, and is shaped in a way that the incoming air can smoothly flow into the propeller area....
7249732 Aerodynamically stable, VTOL aircraft  
A hover aircraft employs an air impeller engine having an air channel duct and a rotor with outer ends of its blades fixed to an annular impeller disk that is driven by magnetic induction elements...
7231997 Hybrid drive powered lift platform  
An air-based thrust recovery system for use in a powered lift platform utilizing fixed-pitch propellers is provided. The system utilizes an air compressor coupled to the drive motor of the platform...
7201346 Circular fixed wing VTOL aircraft  
A VTOL aircraft includes a wing, a propulsion system, and an air dam. The propulsion system is located in a central void formed in the wing to cause air flow from an outer perimeter of the wing...
7159817 Vertical take-off and landing (VTOL) aircraft with distributed thrust and control  
An aircraft having a vertical take-off and landing (VTOL) propulsion system. The aircraft includes a fuselage, the VTOL propulsion system, at least one forward thruster, a power source used for...
7044422 Gyrostabilized self propelled aircraft  
An unmanned air vehicle comprises a fuselage that defines aerodynamic flight surfaces, an engine mounted to the fuselage having an engine shaft arranged to rotate about a longitudinal axis with...
7032861 Quiet vertical takeoff and landing aircraft using ducted, magnetic induction air-impeller rotors  
A hover aircraft employs an air impeller engine having an air channel duct and a rotor with outer ends of its blades fixed to an annular impeller disk that is driven by magnetic induction elements...
6886776 VTOL personal aircraft  
A personal aircraft (PAC) capable of vertical take-off and landing (VTOL) comprises a fixed wing and a fuselage with a passenger compartment having a front, a rear and two sides, and a plurality of...
6860449 Hybrid flying wing  
An aircraft has a flying wing and two wingtip hulls installed on the wingtips of the flying wing. Both of the wingtip hulls contain lighter-than-air gas to generate static lift. These wingtip hulls...
6837456 Microjet based control system  
A microjet based control system helps control the feedback loop that is created by an impinging jet of a STOVL aircraft. A plurality of microjets circumferentially encompass the outer periphery of...
6742741 Unmanned air vehicle and method of flying an unmanned air vehicle  
An unmanned air vehicle includes a singular rear landing gear wheel on the aft end of the fuselage. Port and starboard wings with rear facing propellers are retractable to the aft of the fuselage....
6616094 Lifting platform  
A novel drive for a lifting platform utilizing a simple propeller, impeller, or gas turbine is disclosed. The axial air rotation from the drive is eliminated in order to permit the development of a...
6591603 Pintle injector rocket with expansion-deflection nozzle  
The present invention provides a rocket engine ( 10 ) that is self-compensating on nozzle thrust coefficient for varying ambient backpressures. The rocket engine ( 10 ) includes a combustion...
6588701 Unmanned mobile device  
A remotely-controlled unmanned mobile device (UMD) adapted to function as a robot scout to enter and reconnoiter the site of a disaster and to communicate to a rescue mission information regarding...
6561456 Vertical/short take-off and landing aircraft  
An aircraft is provided having a fuselage and a pair of main wings. Each main wing includes a lift fan segment, a generally circular duct defined within the lift fan segment and a fan mounted...
6547181 Ground effect wing having a variable sweep winglet  
A variable sweep winglet with a negative dihedral angle is provided for a ground effect vehicle. The winglet is positionable at a sweep angle to control the winglet tip clearance from ground....
6540179 In-flight loadable and refuelable unmanned aircraft system for continuous flight  
A method for refueling and reloading an unmanned aircraft for continuous flight is disclosed herein wherein the unmanned aircraft is maintained and supported by a support aircraft. Both aircraft...
6520449 Lifting platform with positive horizontal stability  
A novel means of stability for a lifting platform utilizing toroidal vortex airflow through air guide means. A toroidal vortex created by the airflow means efficiently maintains a raised air...
6511017 Method of steering aircraft, and aircraft  
A method of steering an aircraft, and an aircraft comprising a supporting structure, at least one utility space, at least two propellers whose axles are arranged horizontally, and a driving...
6450445 Stabilizing control apparatus for robtic or remotely controlled flying platform  
A robotic or remotely controlled flying platform ( 10 ) with reduced drag stabilizing control apparatus constructed having an air duct ( 12 ) with an air intake ( 14 ) on the top and an exhaust (...
6398158 High altitude low flying platform hull  
A high altitude low flying platform hull, including a laminar flow airfoil, a first slab side, a second slab side, a first fin and a second fin. The laminar flow airfoil has a nose, the nose has a...
6352219 Flying vehicle with lift generators  
An aircraft is provided including a fuselage with a drive shaft in the fuselage, in which the drive shaft drives an aerodynamic generator consisting of an aerodynamic rotor which is attached to the...
6325011 Multiple-mode wing-in ground effect vehicle  
A high-speed air-supported vehicle capable of multiple mode operations as both a water-contacting vehicle and an aircraft includes an aero roll-stabilizing plan form, a stabilizing ski/hydrofoil...
6315241 Buoyancy system for avoiding light aircraft crashes  
A relatively simple system for avoiding light aircraft crashes, using rate-of-turn sensors, high pressure air containers and solenoid-operated air valves. The rate-of-turn sensors, when magnitude...
6296036 Auto-shutter system for eye protection against in-band frequency agile lasers  
An automatic-shutter system functions as a counter-measure to the in-band frequency agile laser threat posed to the eyes of pilot(s)/operator(s). Ideally it is desirable to protect the operator...
6109565 Air craft wing  
An aircraft having a wing with a top surface and a bottom surface, with the top surface having a first plurality of jets containing flow straighteners integrally hinged to the skin of the aircraft...
6068219 Single surface multi axis aircraft control  
In accordance with the present invention, there is provided an aerodynamic control device for integrated use with an aircraft having an inboard lifting member. The inboard lifting member having a...
6045089 Solar-powered airplane  
A Satellite Weather Modification System (SWMS) uses earth satellites to harness solar energy to modify the thermodynamics and composition of the earth's atmosphere. SWMS has three subsystems: The...
6016992 STOL aircraft  
A STOL aircraft has a fuselage 22 vertical 26 and horizontal 27 rear stabilizers and at least one wing made up of a lower primary airfoil 10 and an upper complementary airfoil 11 which, between...
6014940 Surface effect craft  
A surface effect craft of simple construction achieving improved operational stability and performance at various speeds. The craft includes first and second main wing sections merge into the...
6002972 Method and apparatus for measuring forces based upon differential pressure between surfaces of an aircraft  
A method and apparatus for measuring the lift generated by airfoils of an aircraft. This real-time analysis is accomplished by measuring a differential pressure between the upper and lower lift...
5895011 Turbine airfoil lifting device  
A turbine airfoil unit is described which enables an aircraft to ascend and descend vertically. Multiple turbine airfoil units may be arranged within a large disk-like structure and thereby...
5890441 Horizontal and vertical take off and landing unmanned aerial vehicle  
A semiautonomously directed, autonomously controlled, gyroscopically stabilized, horizontal or vertical take off and landing (HOVTOL) flying apparatus employing two vertical lift devices equally...
5860620 Ram wing vehicle  
A ram wing vehicle comprises a main structure extending between a nose end and a tail end, including an aerodynamic lifting body having an aspect ratio less than approximately 1.0 and extending...
5842667 Vertical takeoff and landing mass transit system and method  
The invention relates to a mass transit method including a docking terminal where passengers are loaded onto a craft with integral passenger pod. The craft lifts vertically from the docking...
5796612 Method for flight parameter monitoring and control  
The present invention relates to a method for three-dimensional flight control based generally upon measuring and comparing actual air pressures at or near various surfaces of an aircraft during...
5737222 Apparatus for measuring lift forces based upon differential pressure between surfaces of an aircraft  
An apparatus for measuring the lift generated by airfoils of an aircraft. This real-time analysis is accomplished by measuring a differential pressure between the upper and lower lift surfaces of...
5711494 Aero-hydroglider  
A hydrofoil comprising a flat vessel of aerodynamic profile which, together with small planes, produces an aerodynamic lift, and the broad base of the hull contains a set of flexible fins whose...
5636702 Aerodynamic and ground effect craft  
A craft for ground effect and aerodynamic flight has, in addition to the usual vertical and horizontal stabilizer(s), a primary, upper airfoil, a lower secondary airfoil and a pivotable flap. The...
5538203 Ballonet system for a lighter-than-air vehicle  
The invention is a ballonet system for a lighter-than-air-vehicle, the vehicle having a lift producing gas bag and a longitudinal, vertical and lateral axis. In detail, the ballonet system includes...
5457630 System for onboard lift analysis and apparatus therefor  
A method and apparatus for measuring the lift generated by airfoils of an aircraft. This real-time analysis is accomplished by measuring a differential pressure between the upper and lower lift...
5433400 Aircraft design  
An aircraft comprises a hollow elongated body having a plurality of short wings projecting outwardly form the body in a vertically stacked array. The wings transverse substantially the entire...
5357894 Pleasure watercraft  
A pleasure watercraft is provided which comprises a hull, sponsons, and support structures for the sponsons which have a shape of an airfoil. A cockpit for seating a pilot in the hull is located...
5314035 Surface effect vehicle  
A surface effect vehicle having a pair of lifting scoops, or air foils, mounted on a vehicle body, one in front and the other in the rear. Each lifting scoop has an arched leading edge to collect...
5289994 Equipment carrying remote controlled aircraft  
It works like a helicopter in vertical flight or like an airplane in horizontal flight, being able to land accurately on a small area. It is equipped with a rotor, a couple of wings fitted with...
5244167 Lift augmentation system for aircraft  
A lift augmentation system for aircraft which comprises a plurality of propellers parallel to an aircraft wing and inset parallel to and at the trailing edge of the wing. The propellers function to...
5186415 Aircraft having means for controlling the ground effect flying altitude by sensing air pressure on the surface of the wing  
This invention makes use of a pressure sensor, which is installed on the wing's surface of the aircraft, to sense the varied air pressure which comes from ground-effect on the wing's surface. A...
5180119 Vertical lift system through tangential blowing of air jets channelled over the top of rotating cylinders  
This invention pertains to a means of aerial lift depending on the use of an air jet blown and channelled (through a nozzle and a vane) exclusively and almost tangentially over a limited segment of...
5145129 Unmanned boom/canard propeller v/stol aircraft  
An unmanned aircraft is provided which dual turbo shaft engines diving contra-rotating propellers. A bow plane provides pitch control during normal aircraft cruising. The contra-rotating propellers...
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