Patents by Inventor Graydon H. Crain

Graydon H. Crain 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).

  • Sheet piling or mooring cell
    Patent number: 4445806
    Abstract: An enclosure for reinforcing and preventing loss of contents of a sheet piling or mooring cell particularly just below the water line. Such apparatus comprises metal sheets of semi-circular construction which are bolted together so as to completely and tightly encircle the sheet piling. The semi-circular parts may be made of welded portions.
    Type: Grant
    Filed: July 12, 1982
    Date of Patent: May 1, 1984
    Inventor: Graydon H. Crain