Patents by Inventor Brien Scott Wierzchowski

Brien Scott Wierzchowski 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 rectification system for producing low purity oxygen and high purity oxygen
    Patent number: 5916262
    Abstract: A cryogenic rectification system wherein low purity oxygen is recovered from a side column or the lower pressure column of a double column while a portion of the low purity oxygen is fed to an auxiliary column driven by fluid having a high nitrogen concentration wherein high purity oxygen is produced.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: June 29, 1999
    Assignee: Praxair Technology, Inc.
    Inventors: Neil Mark Prosser, James Richard Handley, Ravindra Fulchand Pahade, Brien Scott Wierzchowski