Patents by Inventor Michael R. Couche

Michael R. Couche 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).

  • Patent number: 5069698
    Abstract: Method and apparatus for improving xenon recovery wherein a liquid containing krypton and xenon is removed from a cryogenic rectification facility at a defined flowrate which selectively improves xenon recovery and is provided into a facility having rare gas production capability.
    Type: Grant
    Filed: November 6, 1990
    Date of Patent: December 3, 1991
    Assignee: Union Carbide Industrial Gases Technology Corporation
    Inventors: Harry Cheung, Michael R. Couche, James R. Dray