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Patent No. 5265827

Paddle Wheel Plane

An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.

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Class 244/158.8 - Automatic


Subclass of Class 244 - Aeronautics and astronautics
Definition: Subject matter in which the process or means acts without
No. of patents: 3
Last issue date: 04/12/2011


NumberTitleIssue Date
7922124Power optimized system for electric propulsion stationkeeping geosynchronous spacecraft
Systems and methods are disclosed employing electric propulsion stationkeeping in a cyclical manner to better match the cyclical pattern of power generated by the solar array system. For a typical orbit design, e.g. a geostationary orbit, North-South stationkeeping ...
04/12/2011
7370566Complimentary retrograde/prograde satellite constellation
A method for sensing and monitoring ICBM threats using a constellation of earth orbiting satellites. The method includes arranging a first and a second plurality of threat sensing satellites in earth orbit. The first plurality is selected to have a first prograde or...
05/13/2008
6634602Artificial satellite with an orbit having a long staying time in a zenith direction, an orbit control method and a communication system therewith
A broadcasting or transmitting system using an artificial satellite. The artificial satellite is placed into an orbit in which individual artificial satellites orbit on an elliptical orbit so that at least one of the artificial satellites is always viewab...
10/21/2003
 
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