Patents by Inventor Robert William Wegner

Robert William Wegner 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).

  • Backwash filter system
    Patent number: 5792373
    Abstract: A backwash filter system includes a filter array comprising a plurality of filter units each having a housing, a filter element unit and a process liquid inlet port and a filtered liquid outlet port connected respectively with process liquid inlet and filtered liquid outlet sides of the filter element unit for filtering process liquid. A process liquid inlet header connects to the process liquid inlet ports of the filter units. A filtered liquid outlet header connects to the filtered liquid outlet ports of the filter units. A first valve unit on the process liquid inlet header is switchable for connecting same alternatively to a process liquid source and a backwash liquid drain. The filtered liquid outlet header can communicate with a filtered liquid receiver.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: August 11, 1998
    Assignee: Delaware Capital Formation, Inc.
    Inventors: Kenneth Thomas Bennick, Michael Edward Isch, David Lee Truman, Robert William Wegner