Patents by Inventor David L. Ruppert

David L. Ruppert 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).

  • Publication number: 20120092950
    Abstract: A system and method for consistent and highly accurate blending of fluids; e.g. gases or liquids, without significant pressure drop. The system uses a flow meter to measure the amount of primary fluid being provided for mixing with the amount of diluent fluid controlled based on such measurement of the primary fluid amount.
    Type: Application
    Filed: October 15, 2010
    Publication date: April 19, 2012
    Inventors: Bertrand Michel Jean-Claude Colomb, Dennis Precourt, David L. Ruppert, Paul Alan Stockman
  • 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