Patents by Inventor Geoffrey A. Lieberman

Geoffrey A. Lieberman 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: 4980070
    Abstract: Process equipment is provided enabling a plurality of non-soluble lower specific gravity oils to be more effectively separated and collected from an aqueous liquid medium. The equipment utilizes gravity flow to separately remove surface oil constituents according to relative specific gravity in combination with a coalescing medium permitting oil constituents dispersed in the liquid medium to also be removed and with oil collection taking place at multiple locations in said equipment. A method operating the equipment in such manner is also disclosed.
    Type: Grant
    Filed: September 15, 1989
    Date of Patent: December 25, 1990
    Assignee: Mayfran International Incorporated
    Inventor: Geoffrey A. Lieberman