Patents Assigned to P.T.E. Inc.
  • Utility pole tester
    Patent number: 4640119
    Abstract: An apparatus for testing the strength of the sidewalls of hollow tubular members such as for example metal utility poles is disclosed. The present invention provides a self-contained mechanically actuated testing device which is operable to subject a pole to be tested to a concentrated impact force of a predetermined magnitude, the magnitude being selected such that the impacting portion of the tool will penetrate the sidewall if the strength thereof has diminished below an acceptable level.
    Type: Grant
    Filed: July 5, 1985
    Date of Patent: February 3, 1987
    Assignees: P.T.E. Inc., American Energy Services, Inc.
    Inventor: Frank Ludwig