Patents by Inventor Robert L. Demorest

Robert L. Demorest 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).

  • Method for measuring gas leakage from sealed packages
    Patent number: 6460405
    Abstract: A non-destructive method for testing sealed packages for leakage, particularly packages having a gas-permeable portion and a non-gas-permeable portion, by applying a temporary barrier over the gas-permeable portion, wherein the temporary barrier has two apertures, and enclosing the package in a testing chamber having a carrier gas flowing through it to a detector, and passing a tracer gas through the package interior via the two apertures in the temporary barrier.
    Type: Grant
    Filed: October 2, 2000
    Date of Patent: October 8, 2002
    Assignee: Mocon, Inc.
    Inventors: Daniel W. Mayer, Robert L. Demorest, John Bode
  • Pressure measurement method for gas leakage from sealed packages
    Patent number: 6450011
    Abstract: A non-destructive method for testing sealed packages for leakage, particularly packages having a gas-permeable portion and a non-gas-permeable portion, by applying a temporary barrier over the gas-permeable portion, wherein the temporary barrier has an aperture, and connecting the aperture to a pressure monitor, and recording the pressure drop in the sealed package, via the aperture, for a predetermined time.
    Type: Grant
    Filed: November 24, 2000
    Date of Patent: September 17, 2002
    Assignee: Mocon, Inc.
    Inventors: Daniel W. Mayer, Robert L. Demorest, Trevor H. Hegg