Patents Examined by Stephen O. Douglas
  • Patent number: 6823906
    Abstract: The present invention generally an apparatus and a method for filling tanks with acetylene gas. The invention includes filling a first tank to a first level, thereafter filling a second tank while continuing to fill the first tank. The invention further includes restricting the flow of gas to the second tank while continuing to fill the first tank. The invention also includes a first and a second transportable source of compressed acetylene.
    Type: Grant
    Filed: August 14, 2003
    Date of Patent: November 30, 2004
    Assignee: Western International Gas & Cylinder Inc.
    Inventors: W. Dan Hord, III, Ted M. Royer, Brian H. Schumann, Donald F. Constantine, Craig A. Robertson, Joseph Burghard