Patents by Inventor Fred A. Miller

Fred A. Miller 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).

  • Valve controlled spraying system
    Patent number: 6189807
    Abstract: A spraying system having a control valve with an inlet port for connection to a liquid supply, a discharge port for connection to a spray nozzle, and a return port for connection to the liquid supply. The control valve includes a valve member which has a liquid flow passageway and is movable between an open position in which the liquid flow passageway communicates between the inlet and discharge ports for permitting the direction of pressurized liquid to the spray nozzle and a second position which prevents the flow of pressurized liquid to the discharge port. The spray nozzle has an associated pressure responsive check valve for preventing the flow of liquid to the spray nozzle, and hence for preventing drippage, upon movement of the control valve member to the off position.
    Type: Grant
    Filed: February 29, 2000
    Date of Patent: February 20, 2001
    Assignee: Spraying Systems Co.
    Inventors: Fred A. Miller, Randal S. Aspen