Patents by Inventor Robert L. Babcock

Robert L. Babcock 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).

  • Oxygen enrichment system for medical use
    Patent number: 4222750
    Abstract: A method and apparatus for operating a two-bed oxygen enrichment system is disclosed in which the efficiency of the system is increased by first evacuating and then purging a bed of adsorbed gas using a short period of flow of a high purity gas.
    Type: Grant
    Filed: August 16, 1976
    Date of Patent: September 16, 1980
    Assignee: Champion Spark Plug Company
    Inventors: William D. Gauthier, Merl J. Hendricks, Robert L. Babcock