Patents by Inventor David W. Atkinson

David W. Atkinson 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).

  • Sound suppressing engine mounting means
    Patent number: 4134561
    Abstract: An engine having attaching elements is mounted by the apparatus of this invention on a frame with the engine load being carried by resilient sound isolating elements contacting flanges of a movable spool. A metal-to-metal contacting pathway cannot be followed from the engine to the frame.
    Type: Grant
    Filed: April 19, 1977
    Date of Patent: January 16, 1979
    Assignee: Caterpillar Tractor Co.
    Inventors: David W. Atkinson, Donald A. Kuntz, William L. Sprick