Patents Assigned to Elmer Lewis
  • Parts washer
    Patent number: 4029115
    Abstract: Articles are washed in a receptacle by liquid solvent displaced by pressurized air from a pressure sealed container submerged with in a reservoir of said liquid solvent. A foot operated valve controls the supply of compressed air to the container. Release of the valve vents the container to effect refill with a metered quantity of solvent by opening of a pressure responsive gate valve.
    Type: Grant
    Filed: September 3, 1975
    Date of Patent: June 14, 1977
    Assignees: Ted Wheeler, Elmer Lewis
    Inventor: Edison L. Wheeler