Patents by Inventor C. Fred Newsom

C. Fred Newsom 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).

  • Single use monitors for automatic safety controls of electrically energized apparatus
    Patent number: 4092625
    Abstract: A tungsten heating filament is connected in series with a safety filament having a low melting temperature. The filaments are connected to and between terminals of a small terminal board. A quickly-igniting, combustible mixture is applied to the terminal board between terminals, and over and around the heating filament and under the safety filament. The terminal board and its attachments are enclosed in a plastic case with a transparent face. Leads are connected internally to the terminals and externally in parallel circuit across a safety switch operable to open and close by means of a malfunction sensing element, the switch and element comprising an automated safety control, with the switch being connected in series with the electrically energized apparatus.
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: May 30, 1978
    Assignee: Tattle-Tale, Inc.
    Inventor: C. Fred Newsom