Patents by Inventor Patrick Dewey

Patrick Dewey 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).

  • Log lifting beam assembly
    Patent number: 5297832
    Abstract: A crane operated log lifting beam assembly for unloading a tier of logs from a truck. The beam assembly includes two cable operated longitudinally displaceable trolley systems for securing an attached pulp sling against the tier of logs and a displacement equalizing system for interconnecting the trolley systems and for controlling the relative displacement thereof.
    Type: Grant
    Filed: January 7, 1993
    Date of Patent: March 29, 1994
    Inventors: Fred Dewey, Patrick Dewey