Patents by Inventor Brian C. Fiedler

Brian C. Fiedler 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).

  • Cryogenic helium production system
    Patent number: 5329775
    Abstract: A cryogenic helium production system wherein a feed which includes carbon dioxide is processed in a dual temperature system including an upstream higher temperature and higher pressure column or dephlegmator, thus eliminating the need for a separate non-cryogenic carbon dioxide removal step.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: July 19, 1994
    Assignee: Praxair Technology, Inc.
    Inventors: Brian C. Fiedler, James J. Maloney, James R. Handley