Patents by Inventor Philip J. Dennis

Philip J. Dennis 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).

  • Miniaturized circuit breaker
    Patent number: 4636766
    Abstract: A circuit breaker comprises a two piece metal enclosure, a cover and a base. Disposed within the enclosure is a PMB bimetal which is fastened to a step in the cover. The opening time of the circuit breaker can be adjusted by means of the step.
    Type: Grant
    Filed: February 19, 1985
    Date of Patent: January 13, 1987
    Assignee: GTE Products Corporation
    Inventors: Douglas C. Carbone, Philip J. Dennis
  • Miniaturized circuit breaker
    Patent number: 4521760
    Abstract: A circuit breaker comprises a two piece metal enclosure, a cover and a base. Disposed within the enclosure is a PMB bimetal which is fastened to a step in the cover. The opening time of the circuit breaker can be adjusted by means of the step.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: June 4, 1985
    Assignee: GTE Products Corporation
    Inventors: Douglas C. Carbone, Philip J. Dennis
  • Glass enclosed three lead circuit breaker
    Patent number: 4334209
    Abstract: A circuit breaker comprises a hermetically sealed glass envelope having three lead-in wires extending therethrough. Within the envelope, a stationary contact is fastened to one of the wires, a thermostatic element to another of the wires, and a heater to the third wire. The circuit breaker permits simultaneous protection of two windings of a motor, for example, the main winding and the start winding. The thermostatic element provides protection for one of the windings and the combination of the thermostatic element and heater provides protection for the other.
    Type: Grant
    Filed: November 21, 1980
    Date of Patent: June 8, 1982
    Assignee: GTE Products Corporation
    Inventor: Philip J. Dennis
  • 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