Control arrangement for an induction motor compressor having at least three windings, a torque-augmentation circuit, a starting capacitor and a resistive element
Otto J. M. Smith
U.S. Patent 7,023,167. April 2006

Master three-phase induction motor with satellite three-phase motors driven by a single-phase supply
Otto J. M. Smith
U.S. Patent 6,356,041. March 2002

Single-phase motor starters
Otto J. M. Smith
U.S. Patent 6,049,188. April 2000

Motor starter
Otto J. M. Smith
U.S. Patent 6,025,693. February 2000

Three phase motor operated from a single phase supply and phase converter
Otto J. M. Smith
U.S. Patent 5,545,965. August 1996

Three-phase motor control
Otto J. M. Smith
U.S. Patent 5,300,870. April 1994

Three-phase induction motor with single phase power supply
Otto J. M. Smith
U.S. Patent 4,792,740. December 1988

Wind turbine system
Otto J. M. Smith
U.S. Patent D267,951. February 1983

Wind turbine system
Otto J. M. Smith
U.S. Patent 4,330,714. May 1982

Apparatus for providing radiative heat rejection from a working fluid used in a Rankine cycle type system
S. Phyllis and Otto J. M. Smith
U.S. Patent 4,249,386. February 1981

Heliostat with a protective enclosure
Otto J. M. Smith
U.S. Patent 4,247,182. January 1981

Method of aligning and locating the mirrors of a collector field with respect to a receptor tower
Otto J. M. Smith
U.S. Patent 4,219,729. August 1980

Heated piping system for fusible salt heat exchange fluid in a solar power plant
Otto J. M. Smith
U.S. Patent 4,204,407. May 1980

Solar thermal electric power plant
Otto J. M. Smith
U.S. Patent 4,164,123. August 1979

Solar collector system
Otto J. M. Smith
U.S. Patent 4,117,682. October 1978

Method, apparatus and system for the identification of the relationship between two signals
Otto J. M. Smith
U.S. Patent 3,742,391. June 1973

Power system with transient control and method
Otto J. M. Smith
U.S. Patent 3,529,174. September 1970

Method, apparatus and system for the identification of the relationship between two signals
Otto J. M. Smith
U.S. Patent 3,526,761. September 1970

System and method for alternating current machines, and apparatus therefor
Otto J. M. Smith
U.S. Patent 3,483,463. December 1969

System, apparatus and method for improving stability of synchronous machines
Otto J. M. Smith
U.S. Patent 3,388,305. June 1968

Delay line
Otto J. M. Smith and Richard A. Dye
U.S. Patent 3,241,129. March 1966

Control system for use in control of loops with dead time
Otto J. M. Smith
U.S. Patent 3,141,982. July 1964

Number storage apparatus and method
Otto J. M. Smith
U.S. Patent 3,084,859. April 1963

Method and apparatus for generating a signal and a system and method for utilizing the same
Otto J. M. Smith
U.S. Patent 3,060,378. October 1962

Dead beat response, resonant load, control system and method
Otto J. M. Smith
U.S. Patent 3,051,883. August 1962

Sine wave generator
Otto J. M. Smith
U.S. Patent 2,748,278. May 1956

Inspection apparatus
William Altar and Otto J. M. Smith
U.S. Patent 2,583,132. January 1952