Patents by Inventor George H. Simpson

George H. Simpson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electric automotive choke
    Patent number: 4131657
    Abstract: An electric choke assembly includes a heater to heat a coiled bimetallic spring which opens a choke valve. The heater comprises a double ring electroded thermistor for the purpose of generating two different heating rates which are controlled by a bimetallic thermostat blade located in the same chamber of the assembly as the thermistor.
    Type: Grant
    Filed: March 10, 1977
    Date of Patent: December 26, 1978
    Assignee: GTE Sylvania Incorporated
    Inventors: George A. Ball, Jr., George H. Simpson
  • Incandescent lamp socket having overtemperature protector
    Patent number: 4131868
    Abstract: A socket for an electric lamp contains a thermal protector to shut off current flow to the lamp when the socket is heated above a predetermined temperature.
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: December 26, 1978
    Assignee: GTE Sylvania Incorporated
    Inventors: Joseph A. Dombrowski, Clement T. Baxter, Frederick B. Howard, George H. Simpson
  • Thermistor assembly having overload protection
    Patent number: 4096464
    Abstract: A disc type thermistor has a low melting point metal rod disposed between the thermistor and a metal spring. The spring places the rod in compressive contact with one surface of the thermistor. When the thermistor overheats, the rod melts and opens the circuit.
    Type: Grant
    Filed: December 13, 1976
    Date of Patent: June 20, 1978
    Assignee: GTE Sylvania Incorporated
    Inventors: Philip J. Dennis, George H. Simpson