Patents by Inventor Thomas Hallis, Jr.

Thomas Hallis, Jr. 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).

  • Solvent deoiling apparatus and process
    Patent number: 4356080
    Abstract: In solvent deoiling of slack waxes utilizing conventional multi-stage, scraped chillers, solvent is injected into conduits transporting slack wax slurry from one scraped chiller to the next through high velocity jet nozzles.
    Type: Grant
    Filed: June 13, 1979
    Date of Patent: October 26, 1982
    Assignee: Union Oil Company of California
    Inventors: Edward A. Pullen, Thomas Hallis, Jr.