Patents by Inventor Robert J. Colo

Robert J. Colo 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).

  • Poppet valve and method of making the poppet valve
    Patent number: 5738060
    Abstract: A poppet valve (10) includes an elongated valve stem (14) with first and second ends (22, 26). A valve head (12) is located at the first end (22) of the stem (14). A valve tip (24) is fixed to the second end (26) of the stem (14). The tip (24) is constructed as an axially compressed piece of steel wire (32).
    Type: Grant
    Filed: May 29, 1997
    Date of Patent: April 14, 1998
    Assignee: TRW Inc.
    Inventors: Robert J. Colo, William Neumann