Patents by Inventor John R. Ruser

John R. Ruser 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).

  • Patent number: 4420275
    Abstract: A man-made sand and gravel island for Alaskan oil drilling operations, the sides of the island being covered with a porous fabric anchored in place by a layer of heavy (3-ton) sand bags arranged in an imbricated manner between the high and low water levels on the island.
    Type: Grant
    Filed: April 19, 1982
    Date of Patent: December 13, 1983
    Assignee: Shell Oil Company
    Inventor: John R. Ruser