Patents by Inventor John T. MacDermid

John T. MacDermid 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: 4613412
    Abstract: An evacuator system employed in an evaporative waste recovery system uses an eductor to create a partial vacuum. The partial vacuum is selectively employed to evacuate concentrate and distillate from an evaporator unit for transferal to respective concentrate and distillate containers. A plurality of air operated valves are automatically operated to transfer concentrate and distillate for reuse in a plating process system.
    Type: Grant
    Filed: November 26, 1984
    Date of Patent: September 23, 1986
    Assignee: Wastesaver Corporation
    Inventor: John T. MacDermid