Patents by Inventor Clayton C. King

Clayton C. King 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).

  • Protective grounding jumper cable testing method
    Patent number: 5684408
    Abstract: A protective grounding jumper cable tester basically includes a housing, a direct current power supply, a pair of jumper attachment terminals, a pair of test probe terminals, a current applying circuit connected between the direct current power supply and the pair of jumper attachment terminals for applying a direct current through a jumper cable attached between the jumper attachment terminals, and a resistance sensing circuit connected to the test probe terminals for sensing resistance to the flow of the direct current through the jumper cable by using a pair of test probes connected to the test probe terminals.
    Type: Grant
    Filed: December 18, 1996
    Date of Patent: November 4, 1997
    Assignee: Hubbell Incorporated
    Inventor: Clayton C. King
  • Protective grounding jumper cable tester and testing method
    Patent number: 5631570
    Abstract: A protective grounding jumper cable tester basically includes a housing, a direct current power supply, a pair of jumper attachment terminals, a pair of test probe terminals, a current applying circuit connected between the direct current power supply and the pair of jumper attachment terminals for applying a direct current through a jumper cable attached between the jumper attachment terminals, and a resistance sensing circuit connected to the test probe terminals for sensing resistance to the flow of the direct current through the jumper cable by using a pair of test probes connected to the test probe terminals.
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: May 20, 1997
    Assignee: Hubbell Incorporated
    Inventor: Clayton C. King