Patents by Inventor Kathryn H. Gibson

Kathryn H. Gibson 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).

  • Gas comparison pycnometer
    Patent number: 5074146
    Abstract: A gas comparison pycnometer is disclosed which provides a method and apparatus for determining and checking the accuracy of the volume of a solid substance. The pycnometer is also outfitted with a unique cap assembly which fixes the volume in the pycnometer's sample chamber from run to run. The pycnometer also employs a series of purges with a suitable gas to carry unwanted moisture and vapors out of the system. This pycnometer solves many problems in the prior art by quickly and accurately determining the volume of a solid substance.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: December 24, 1991
    Assignee: Micromeritics Instrument Corporation
    Inventors: Clyde Orr, Ronnie W. Camp, Kathryn H. Gibson