Patents by Inventor Harold V. Hawkins

Harold V. Hawkins 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).

  • Oblique lay sprocket wheel and chain construction
    Patent number: 4108014
    Abstract: An oblique lay sprocket wheel utilizes a pocket construction wherein load bearing portions of successive pockets are overlapped. Also, a bent link chain construction is shown which allows the use of a four pocket wheel.
    Type: Grant
    Filed: December 29, 1976
    Date of Patent: August 22, 1978
    Assignee: Columbus McKinnon Corporation
    Inventors: Kenneth D. Schreyer, Harold V. Hawkins