Patents by Inventor John H. Neill

John H. Neill 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).

  • Switching valve
    Patent number: 5881770
    Abstract: A switching valve having a bottom plate, an intermediate plate and a top plate. A distributor rotatably mounted in the intermediate plate. The bottom plate has an upper surface, and the distributor has a lower surface which interface with each other. The bottom plate has an inlet and an outlet spaced from each other and each having an inlet conduit extending from the inlet to the upper surface of the bottom plate and an outlet conduit extending from the outlet to the upper surface of the bottom plate. The distributor having an inlet conduit, an outlet conduit and a connecting conduit connecting the two together. The distributor inlet conduit is in communication with the bottom plate inlet conduit.
    Type: Grant
    Filed: August 26, 1997
    Date of Patent: March 16, 1999
    Assignee: Hoke Incorporated
    Inventors: John H. Neill, Sergio Radossi