Patents by Inventor Benton A. Whiteman

Benton A. Whiteman 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).

  • Lightweight drill rod
    Patent number: 4240652
    Abstract: Described is an improved lightweight section of drill rod which is adapted to be coupled with like sections of drill rod in making up a drill string for use with oil well drilling rigs or the like. This drill rod comprises a length of hollow cylindrical aluminum pipe with steel tool joints threaded into the ends thereof. Dowel pins are used to permanently and securely attach the tool joints to the pipe ends.
    Type: Grant
    Filed: May 24, 1979
    Date of Patent: December 23, 1980
    Assignee: Reynolds Metals Company
    Inventors: Lip F. Wong, Benton A. Whiteman