Patents by Inventor Clayton E. Parker

Clayton E. Parker 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).

  • Process and apparatus for producing nitrogen from air
    Patent number: 4966002
    Abstract: Process for the recovery of nitrogen from air in which gaseous air is compressed, cooled and optionally purified in a heat exchanger, and then distilled to obtain pure gaseous nitrogen overhead and an oxygen enriched liquid bottoms, wherein all of the bottoms and a portion of the overhead is passed to a condenser to form an oxygen enriched gas and liquid nitrogen and wherein at least a portion of the oxygen enriched gas is compressed and recycled to the distillation column to enhance recovery of the nitrogen product.
    Type: Grant
    Filed: August 11, 1989
    Date of Patent: October 30, 1990
    Assignee: The BOC Group, Inc.
    Inventors: Clayton E. Parker, Robert A. Mostello