Patents by Inventor Louis J. Martel

Louis J. Martel 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).

  • Apparatus and method for measuring the crevice gap clearance in a heat exchanger
    Patent number: 4235110
    Abstract: Apparatus and method for measuring the crevice gap clearance between the tubes and tube supports in a heat exchanger includes setting the tube into vibration until it impacts against the tube support plate and determining by accelerometers mounted on the tube the distance the tube has moved.
    Type: Grant
    Filed: January 12, 1979
    Date of Patent: November 25, 1980
    Assignee: Electric Power Research Institute
    Inventors: Gary J. Dau, Louis J. Martel, Terry D. Scharton