Patents by Inventor John H. Fitzwater, deceased

John H. Fitzwater, deceased 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).

  • Heat transfer press
    Patent number: 4152193
    Abstract: This invention relates to heat transfer presses and more particularly to the transferring of a colored picture printed on paper to polyester knit goods by means of heat and pressure. The polyester cloth heat softens while the ink vaporizes and passes through the interstices of the cloth. The cooling of the cloth locks the vapors in the material producing the effect of a dyeing process.
    Type: Grant
    Filed: December 2, 1976
    Date of Patent: May 1, 1979
    Assignee: Fitzwater Engineering Company
    Inventor: John H. Fitzwater, deceased
  • Electric fail-safe actuator
    Patent number: RE30135
    Abstract: An electrically operated fail-safe valve actuator employs a spring which is wound to store energy during operation of the electric drive motor, an electric clutch operable to disengage the drive motor from the actuator output shaft in response to loss of power from the electrical supply whereby the spring drives the valve in the opposite direction.
    Type: Grant
    Filed: October 29, 1975
    Date of Patent: November 6, 1979
    Assignee: Amelia Inc.
    Inventors: John H. Fitzwater, deceased, by Amelia Fitzwater, executrix