Patents by Inventor William D. Boles

William D. Boles 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).

  • Annular electrical connectors for drill string
    Patent number: 4591226
    Abstract: The invention pertains to an electrical communication system for a well conduit. The system includes annular male and female electrical coupler assemblies, holders for releasably mounting the coupler assemblies generally coaxially in opposite ends of a section of well conduit, and a cable assembly connected to the coupler assemblies for conducting electric current therebetween.
    Type: Grant
    Filed: January 31, 1983
    Date of Patent: May 27, 1986
    Assignee: NL Industries, Inc.
    Inventors: Hoke S. Hargett, Charles E. Barton, William D. Boles