Patents by Inventor Hermann Steffen

Hermann Steffen 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).

  • Pad wear indicating arrangement
    Patent number: 4147236
    Abstract: The arrangement indicates pad wear for brake shoes comprising a contact head embedded in the brake shoe and a socket connector adapted to be readily connected with the contact head with an electrical line leading from the socket connector to an indicating arrangement. When the worn brake shoe is to be replaced only the contact head which is embedded in the brake shoe is discarded. The socket connector can be reused after each replacement.
    Type: Grant
    Filed: February 3, 1978
    Date of Patent: April 3, 1979
    Assignee: ITT Industries, Inc.
    Inventors: Hermann Steffen, Rolf Weiler