Patents by Inventor Godfrey L. Hansen

Godfrey L. Hansen 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).

  • Burst testing apparatus
    Patent number: 4928533
    Abstract: A burst testing apparatus is provided. The apparatus includes a burst tester for determining the burst strength of sheet material such as paper. An automatic feeder is provided for advancing the sheet material after each successive test. A photo-optical sensing means may also be provided for sensing the presence of the sheet material and for initiating a test. A control unit is operatively connected to the burst tester and the feeder. The control unit is operative to store and analyze burst test results.
    Type: Grant
    Filed: June 30, 1989
    Date of Patent: May 29, 1990
    Assignee: Testing Machines Inc.
    Inventors: Walter F. Bachelder, John L. Sullivan, Peter J. Fiore, Godfrey L. Hansen
  • Instrument for testing the burst strength of sheet material
    Patent number: D315690
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: March 26, 1991
    Assignee: Testing Machines Inc.
    Inventors: Walter F. Bachelder, John L. Sullivan, Peter J. Fiore, Godfrey L. Hansen