Patents by Inventor W. Charles Cranston

W. Charles 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).

  • Disposable lifting loop and method of lifting a cargo load therewith
    Patent number: 4565399
    Abstract: A method of providing a load with a disposable endless wire loop and a wire loop for use therein. According to the present method, the lifting loop is formed at the lifting location, such as in a harbor, by connecting together a required number of endless prefabricated steel wire rings. The lifting loop comprises endless steel wire rings whose number is defined by the weight of the load and which are bound together for forming the loop.
    Type: Grant
    Filed: August 1, 1984
    Date of Patent: January 21, 1986
    Assignee: Cranston Ky
    Inventor: W. Charles Cranston