Patents by Inventor Douglas M. Wheeler

Douglas M. Wheeler 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).

  • Stud mounted hoist ring
    Patent number: 5586801
    Abstract: A stud mounted hoist assembly for lifting, moving, suspending, or loading material and equipment during construction comprises a ring assembly, a welding stud anchor, and a bushing having a chamfered inner cylindrical surface to accommodate weld flash when mounting the assembly to a load or overhead structure. The bushing and ring assembly provide pivot and swivel capability to the mount. One operator can quickly and securely install a temporary lifting point where and when needed without the assistance of support personnel.
    Type: Grant
    Filed: October 27, 1994
    Date of Patent: December 24, 1996
    Assignee: Newport News Shipbuilding and Dry Dock Company
    Inventors: David R. Sawyer, Douglas M. Wheeler