Patents by Inventor Richard H. Walkden

Richard H. Walkden 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).

  • Frictional belt brake
    Patent number: 4314631
    Abstract: A brake device which is used to prevent reverse movement of a belt run and which includes a wedge member which is pivotally supported above the belt run. Upon reverse movement of the belt run, the wedge member is drawn into pinching contact with the belt.
    Type: Grant
    Filed: February 22, 1980
    Date of Patent: February 9, 1982
    Assignee: Uniment Systems, Inc.
    Inventors: Enoch R. Hagerman, Richard H. Walkden