Patents by Inventor Walter T. Pranke

Walter T. Pranke 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).

  • Patent number: 4188561
    Abstract: An applique or attachment for a station protector spark gap device includes an insulated enclosure housing a gas tube spark gap device together with fail safe shorting means located circumferentially therearound. Auxiliary gaps in parallel with the gas tube spark gap device are provided as back up should the gas tube vent. Wire leads welded to end plates within the enclosure make connection with the ends of the gas tube spark gap device, the fail safe shorting mechanism and the auxiliary gaps.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: February 12, 1980
    Assignee: Joslyn Mfg. and Supply Co.
    Inventors: Walter T. Pranke, Manfred W. Wilms