Electric Propulsion Patents, 1928-1995

ELECTRIC PROPULSION PATENTS, 1928-1995

[From the Electric Spacecraft Journal, July/Aug/Sept, Issue 19, published Sept. 30, 1996, page 16ff]

From: NEN, Vol. 4, No. 7, November 1996, pp. 9-10.

New Energy News (NEN) copyright 1996 by Fusion Information Center, Inc.
COPYING NOT ALLOWED without written permission.
ALL RIGHTS RESERVED.

Compiled from original patent documents:

T. Townsend Brown, British Patent 300,311 (11 pages). "A Method of and an Apparatus or Machine for Producing Force or Motion." Filed Aug. 15, 1927, granted Nov. 15, 1928.

T. Townsend Brown, US Patent 1,974,483 (5 pages). "Electrostatic Motor." Filed Feb. 7, 1930, granted Sept. 25, 1934.

T. Townsend Brown, US Patent 2,949,550 (6 pages). "Electrokinetic Apparatus." Filed July 3, 1957, granted Aug. 16, 1960.

T. Townsend Brown, US Patent 3,018,394 (5 pages). "Electrokinetic Transducer." Filed July 3, 1957, granted Jan. 23, 1962

T. Townsend Brown, US Patent 3,022,430 (7 pages). "Electrokinetic Generator." Filed July 3, 1957, granted Feb. 20, 1962.

T. Townsend Brown, US Patent 3,187,206 (6 pages). "Electrokinetic Apparatus." Filed May 9, 1958, granted Jun. 1, 1965.

A.H. Bahnson Jr, US Patent 3,223,038 (4 pages). "Electrical Thrust Producing Device." Files Sep.10, 1964, granted Dec. 14, 1965.

J.F. King, US Patent 3,322,374 (7 pages). "Magnetohydrodynamic Propulsion Apparatus." Filed Sep. 30, 1964, granted May 30, 1967.

A.P.de Seversky, US Patent 3,130,945 (15 pages). "Ionocraft." Filed Aug. 31, 1959, granted Apr. 28, 1964.

Gilman A. Hill, US Patent 3,095,163 (6+ pages). "Ionized Boundary Layer Fluid Pumping System." Filed Oct. 13, 1959, granted Jun. 25, 1963.

Glenn E. Hagen, US Patent 3,120,363 (14 pages). "Flying Aparatus." Filed Sep. 11, 1963, granted Feb. 4, 1964.

Ernest C. Okress, US Patent 3,464,207 (8 pages), "Quasi-Corona-Aerodynamic Vehicle." Filed Oct. 10, 1066, granted Sep. 2, 1969.

E. Halik and H. von Engel, Austrian Patent 236,800 (5+ pages). "Flying Body with Electrostatic Power." Filed Feb. 15, 1963, granted Mar. 15, 1964.

Sidney D. Drell et al., US Patent 3,495,791 (2 pages). "Method of and Apparatus for Effecting Electro-Mechanical Energy Interchange in a Space Vehicle." Filed Apr. 26, 1965, granted Feb. 17, 1970.

James E. Cox, US Patent 4,663,932 (40 pages). "Dipolar Force Field Propulsion System." Filed Jul. 26, 1982, granted May 12, 1987.

Maurice Mitchell, US Patent 5,377,936 (8 pages). "Net Kinetic Energy Differential Guidance and Propulsion System for Satellites and Space Vehicles." Filed Mar. 19, 1992, granted Jan. 3, 1995.

Michael J. Sohnly, US Patent 5,211,006 (30 pages). "Magnetohydrodynamic Propulsion System." Filed Nov. 12, 1991, granted May 18, 1993.

Marcel-Jean-Joseph Pages, French Patent 1,253,902 (6 pages). "Cosmic Flight Machine." Filed Jan. 5, 1960, granted Jan. 9, 1961.

Haruo Yamashita et al., European Patent 0486243A2 (10 pages). "Machine for Acceleration in a Gravitational Field." Filed Nov. 11, 1991, granted May 20, 1992.

Rex L. Schlicher et al., US Patent 5,142,861 (18 pages). "Nonlinear Electromagnetic Propulsion System and Method." Filed Apr. 26, 1991, granted Sep. 1, 1992.

James F. Woodward, US Patent 5,280,864 (1 + pages). "Method for Transiently Altering the Mass of Objects to Facilitate Their Transport or Change Their Stationary Apparent Weights." Filed Jan. 21, 1992, granted Jan. 25, 1994.

Henry W. Wallace, US Patent 3,626,605 (14 pages). "Method and Apparatus for Generating a Secondary Gravitational Force Field." Filed Nov. 4, 1968, granted Dec. 14, 1971.

Charles O. Frederick, British Patent 1,310,990 (4 pages). "Space Vehicle." Filed Dec. 11, 1970, granted Mar. 21, 1973.

Norman L. Dean, US Patent 2,886,976 (2 pages). "System for Converting Rotary Motion into Unidirectional Motion." Filed Jul. 13, 1954, granted May 19, 1959.

James W. Black, US Patent 5,182,958 (87 pages). "Nonlinear Propulsion and Energy Conversion System." Filed Nov. 2, 1973, granted Feb. 2, 1993.

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