Patents by Inventor Elliott W. Lewis

Elliott W. Lewis 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).

  • Recycling of metalworking fluids
    Patent number: 4636317
    Abstract: A process for the recycling of used and contaminated metalworking fluids, both oil-based and water-based, employing mobile equipment, is disclosed.
    Type: Grant
    Filed: July 16, 1985
    Date of Patent: January 13, 1987
    Assignee: Fluid Recycling Services, Inc.
    Inventor: Elliott W. Lewis