Patents by Inventor Anne P. Ko

Anne P. Ko 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).

  • Apparatus and method for separating air
    Patent number: 4895583
    Abstract: Method and Apparatus for separating a gaseous mixture into component gases wherein a portion of a compressed cooled stream of the gaseous mixture is substantially liquefied and respective portions sent to high and low pressure columns and either one of the gaseous components or a portion of the gaseous mixture is utilized for refrigeration from expansion with a portion of the work utilized for compression of the gaseous mixture.
    Type: Grant
    Filed: January 12, 1989
    Date of Patent: January 23, 1990
    Assignee: The BOC Group, Inc.
    Inventors: Scott Flanagan, Robert A. Mostello, Anne P. Ko