Patents by Inventor Charles M. Cole

Charles M. Cole 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: 5046896
    Abstract: A riser system includes inflatable buoyancy bladders and a near surface disconnect so that a drilling vessel can rapidly disconnect from the riser leaving the riser in a freestanding buoyant position.
    Type: Grant
    Filed: May 30, 1990
    Date of Patent: September 10, 1991
    Assignee: Conoco Inc.
    Inventor: Charles M. Cole