Patents by Inventor Albert W. Cranston

Albert W. Cranston 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).

  • Lifting hook with safety latch
    Patent number: 4193627
    Abstract: A lifting hook has a spring biased safety latch to close the gap between the shank and the point of the hook. The hook is manipulated by a bent handle on the back side of the shank. A latch release cable extends along the handle in spaced relation thereto in the manner of a bow string. An operator can grasp the handle alone to manipulate the hook without releasing the latch or the cable can be included in the grasp when it is desired to release the latch.
    Type: Grant
    Filed: July 10, 1978
    Date of Patent: March 18, 1980
    Assignee: Cranston Machinery Co., Inc.
    Inventors: Albert W. Cranston, William J. Rowell