Patents by Inventor Michael Drager

Michael Drager 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).

  • Bypass valve
    Patent number: 5152321
    Abstract: A bypass valve for directing a supply flow either through a treatment tank to the distribution system, or for bypassing the treatment tank and directing the supply flow through the valve directly to the distribution system. In the bypass position, the treatment tank may be physically removed from the bypass valve, the bypass valve serving as a disconnect. While in the bypass position, the valve may be actuated to pressurize the treatment tank from the supply flow.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: October 6, 1992
    Assignee: Ecowater Systems, Inc.
    Inventors: Michael Drager, Edward J. Tischler