Patents by Inventor Gavin D. Hartigan

Gavin D. Hartigan 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).

  • Patent number: 6915660
    Abstract: A method and system for liquefaction monitoring of a gas in a gas piping system in which pressure and temperature information about the gas is gathered and the liquefaction status of the gas is determined and reported.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: July 12, 2005
    Assignee: The BOC Group, Inc.
    Inventors: Gavin D. Hartigan, David L. Ruppert, Henry S. Hui
  • Publication number: 20020144542
    Abstract: A method and system for liquefaction monitoring of a gas in a gas piping system in which pressure and temperature information about the gas is gathered and the liquefaction status of the gas is determined and reported.
    Type: Application
    Filed: April 6, 2001
    Publication date: October 10, 2002
    Inventors: Gavin D. Hartigan, David L. Ruppert, Henry S. Hui