Patents by Inventor Michael W. Wisz

Michael W. Wisz 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 dual purity oxygen
    Patent number: 5546767
    Abstract: A cryogenic rectification system employing a double column and two auxiliary reboilers associated with one or two auxiliary columns wherein both lower purity oxygen and higher purity oxygen is produced.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: August 20, 1996
    Assignee: Praxair Technology, Inc.
    Inventors: James R. Dray, David R. Parsnick, Theodore F. Fisher, Michael W. Wisz
  • Crude neon production system
    Patent number: 5100446
    Abstract: A crude neon production system wherein a small neon-containing stream is taken from a cryogenic air separation plant and processed in a neon column and in a non-cryogenic pressure swing adsorption system to produce crude neon and wherein tail gas from the pressure swing adsorption is recycled back into the air separation plant.
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: March 31, 1992
    Assignee: Union Carbide Industrial Gases Technology Corporation
    Inventor: Michael W. Wisz