Patents by Inventor Craig M. Zell

Craig M. Zell 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).

  • Actuating dump valve
    Patent number: 10260648
    Abstract: An apparatus that includes a housing with an input port and a first output port. A piston is disposed within a bore of the housing and includes a bypass via disposed transversely within the bore and a bypass tube disposed longitudinally within the bore. The bypass tube is configured to provide a flow path from the bypass via to a second output port on the bypass tube. The piston includes a sleeve disposed concentrically around the bypass tube. An interior chamber is defined by an exterior surface of the sleeve and an interior surface of the bore of the housing. The piston is configurable between a first configuration that provides a first flow path between the input port and the first output port via the interior chamber and a second configuration that provides a second flow path between the input port and the second output port via the bypass tube.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: April 16, 2019
    Assignee: Technologies Holdings Corp.
    Inventors: Brian E. Osterbrink, Robert J. Godfrey, Craig M. Zell
  • Actuating Dump Valve
    Publication number: 20170314689
    Abstract: An apparatus that includes a housing with an input port and a first output port. A piston is disposed within a bore of the housing and includes a bypass via disposed transversely within the bore and a bypass tube disposed longitudinally within the bore. The bypass tube is configured to provide a flow path from the bypass via to a second output port on the bypass tube. The piston includes a sleeve disposed concentrically around the bypass tube. An interior chamber is defined by an exterior surface of the sleeve and an interior surface of the bore of the housing. The piston is configurable between a first configuration that provides a first flow path between the input port and the first output port via the interior chamber and a second configuration that provides a second flow path between the input port and the second output port via the bypass tube.
    Type: Application
    Filed: April 28, 2016
    Publication date: November 2, 2017
    Inventors: Brian E. Osterbrink, Robert J. Godfrey, Craig M. Zell