Patents by Inventor Kevin T. Penner

Kevin T. Penner 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).

  • Hardness testing device for pipes
    Patent number: 4635471
    Abstract: A hardness tester for pipes comprising a positioning mechanism that presents the pipe to a multiple purpose testing head having a pre-programmed proportional control configuration that independently engages the pipe and determines the pipes relative position to that of the program controlled testing head which contains independent pre-programmed testing heads. The pipe is prepared for testing by cleaning a small test portion of the pipe, engagement of a load cell assembly to the clean pipe portion determining material hardness.
    Type: Grant
    Filed: January 16, 1986
    Date of Patent: January 13, 1987
    Assignee: Energy Development Corporation
    Inventors: D. Brett Rogers, Kevin T. Penner