Patents by Inventor Curtis C. Wuellner

Curtis C. Wuellner 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).

  • Centrifuge system for removing impurities from metal working coolant
    Patent number: 4773992
    Abstract: A centrifuge system for removing impurities from metal working coolant. The centrifuge of the system includes a liquid inlet, a first liquid outlet for high density liquid, a second liquid outlet for low density liquid, a discharge means for a shoot of particulate material, and a pressure port for receiving liquid under pressure to cause the shoot. A line receives high density liquid from the first liquid outlet. The line discharges into a tank. A branch line connects the line to the pressure port. A valve in the line can stop flow to the tank. When the valve is closed, pressure at the pressure port is increased to cause the shoot.
    Type: Grant
    Filed: March 2, 1987
    Date of Patent: September 27, 1988
    Assignee: Dietrick Sales & Service, Inc.
    Inventors: Gerald P. Dietrick, Curtis C. Wuellner