Patents by Inventor John R. Barnes

John R. Barnes 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).

  • Clamps for attaching pipelines together in parallel relationship
    Patent number: 4678147
    Abstract: A line (such as a pipeline) of smaller diameter is mounted on a line of larger diameter with a clamp comprising a saddle for positioning on the larger line, a channel formed in the outer face of the saddle for receiving the smaller line, a closure member mountable on the saddle to close the channel around the smaller line, a strap for passing around the larger line, and at least two tensioning devices for tensioning the respective ends of the strap to the sides of the closure member. The clamp is particularly useful for connecting subsea pipelines.
    Type: Grant
    Filed: August 15, 1985
    Date of Patent: July 7, 1987
    Assignee: Conoco Inc.
    Inventors: John R. Barnes, John E. Diamond, Graham J. Griffin