Patents by Inventor Bruce R. Ryan

Bruce R. Ryan 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).

  • Separation of air
    Patent number: 4380457
    Abstract: An air separation process for obtaining high purity oxygen and nitrogen comprises the steps of cooling compressed air in a heat exchanger to remove its water content; removing carbon dioxide from the dried air in an adsorption unit; further cooling the dry CO.sub.2 -free air and passing the residue to a rectification column; regenerating the beds of the adsorption unit with waste nitrogen from the rectification column; and purging water from the heat exchanger with the effluent gas obtained from regeneration in the adsorption unit.
    Type: Grant
    Filed: June 1, 1979
    Date of Patent: April 19, 1983
    Assignee: BOC Limited
    Inventors: Brian A. Rathborne, Bruce R. Ryan