Patents by Inventor Robert J. Baechle

Robert J. Baechle 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: 4746434
    Abstract: Sour process water from an oil refinery is partially treated by oil extraction. The partially treated water can be biologically treated, upgraded and further purified in a cooling tower, trickle filter, and/or activated sludge tank.
    Type: Grant
    Filed: June 24, 1987
    Date of Patent: May 24, 1988
    Assignee: Amoco Corporation
    Inventors: Colin G. Grieves, Robert J. Baechle, John M. Considine, Lawrence M. Bristow