Patents by Inventor Nathanial Ian Joos

Nathanial Ian Joos 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).

  • Unitized regenerative fuel cell with bifunctional fuel cell humidifier and water electrolyzer
    Patent number: 6833207
    Abstract: A regenerative fuel cell system, comprising an electrolyzer portion and a fuel cell portion; the electrolyzer portion has a closeable hydrogen inlet and a hydrogen outlet in communication with the cathode of the electrolyzer portion for conducting hydrogen, a gas bypass having a gas bypass inlet and a gas bypass outlet for conducting oxidant gas for fuel cell reaction to the fuel cell portion, a water inlet and an oxygen-water outlet for exhausting oxygen generated in electrolyzer operation and coolant water from the fuel cell portion out of the electrolyzer portion; the fuel cell portion has a hydrogen inlet, a first closeable hydrogen outlet for exhausting excess hydrogen in fuel cell mode, a second closeable hydrogen outlet for exhausting hydrogen generated in the electrolyzer portion in electrolyzer mode, an oxidant gas inlet, an oxidant gas outlet, a coolant water inlet and a coolant water outlet; and the hydrogen inlet of the fuel cell portion being in communication with the hydrogen outlet of the elect
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: December 21, 2004
    Assignee: Hydrogenics Corporation
    Inventors: Nathanial Ian Joos, David Frank, Joseph Cargnelli
  • Novel unitized regenerative fuel cell with bifunctional fuel cell humidifier and water electrolyzer
    Publication number: 20030091880
    Abstract: A regenerative fuel cell system, comprising an electrolyzer portion and a fuel cell portion; the electrolyzer portion has a closeable hydrogen inlet and a hydrogen outlet in communication with the cathode of the electrolyzer portion for conducting hydrogen, a gas bypass having a gas bypass inlet and a gas bypass outlet for conducting oxidant gas for fuel cell reaction to the fuel cell portion, a water inlet and an oxygen-water outlet for exhausting oxygen generated in electrolyzer operation and coolant water from the fuel cell portion out of the electrolyzer portion; the fuel cell portion has a hydrogen inlet, a first closeable hydrogen outlet for exhausting excess hydrogen in fuel cell mode, a second closeable hydrogen outlet for exhausting hydrogen generated in the electrolyzer portion in electrolyzer mode, an oxidant gas inlet, an oxidant gas outlet, a coolant water inlet and a coolant water outlet; and the hydrogen inlet of the fuel cell portion being in communication with the hydrogen outlet of the elect
    Type: Application
    Filed: November 9, 2001
    Publication date: May 15, 2003
    Applicant: Hydrogenics Corporation.
    Inventors: Nathanial Ian Joos, David Frank, Joseph Cargnelli