Patents by Inventor Michael C. Stemp

Michael C. Stemp 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).

  • Patent number: 8999135
    Abstract: A PEM water electrolyzer module and method comprising a plurality of structural plates each having a sidewall extending between opposite end faces with a half cell chamber opening, at least one oxygen degassing chamber opening, and at least one hydrogen gas collection manifold opening, extending through the structural plate between opposite end faces. The structural plates are arranged in face to face juxtaposition between opposite end plates.
    Type: Grant
    Filed: September 19, 2013
    Date of Patent: April 7, 2015
    Assignee: Next Hydrogen Corporation
    Inventors: James T. Hinatsu, Michael C. Stemp
  • Publication number: 20140014529
    Abstract: A PEM water electrolyser module and method comprising a plurality of structural plates each having a sidewall extending between opposite end faces with a half cell chamber opening, at least one oxygen degassing chamber opening, and at least one hydrogen gas collection manifold opening, extending through the structural plate between opposite end faces. The structural plates are arranged in face to face juxtaposition between opposite end plates.
    Type: Application
    Filed: September 19, 2013
    Publication date: January 16, 2014
    Applicant: Next Hydrogen Corporation
    Inventors: James T. HINATSU, Michael C. STEMP
  • Patent number: 8617361
    Abstract: A PEM water electrolyser module comprising a plurality of structural plates each having a sidewall extending between opposite end faces with a half cell chamber opening, at least one oxygen degassing chamber opening, and at least one hydrogen gas collection manifold opening, extending through the structural plate between opposite end faces. The structural plates are arranged in face to face juxtaposition between opposite end plates.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: December 31, 2013
    Assignee: Next Hydrogen Corporation
    Inventors: James T. Hinatsu, Michael C. Stemp
  • Patent number: 8057646
    Abstract: The present invention is directed to cell plates for an electrolyser module and to an electrolyser module incorporating the plates. The plates comprise an electrolysis chamber opening, at least one degassing chamber opening, and at least one gas-liquid conduit opening. The plates further comprise a channel connecting the electrolysis chamber opening and the gas-liquid conduit opening. The present invention is directed further to a process and apparatus for separating a gas-liquid mixture generated at an electrolysis cell.
    Type: Grant
    Filed: December 7, 2005
    Date of Patent: November 15, 2011
    Assignee: Hydrogenics Corporation
    Inventors: James T. Hinatsu, Michael C. Stemp
  • Publication number: 20110042228
    Abstract: A PEM water electrolyser module comprising a plurality of structural plates each having a sidewall extending between opposite end faces with a half cell chamber opening, at least one oxygen degassing chamber opening, and at least one hydrogen gas collection manifold opening, extending through the structural plate between opposite end faces. The structural plates are arranged in face to face juxtaposition between opposite end plates.
    Type: Application
    Filed: August 3, 2010
    Publication date: February 24, 2011
    Applicant: NEXT HYDROGEN CORPORATION
    Inventors: James T. Hinatsu, Michael C. Stemp
  • Publication number: 20090229990
    Abstract: The present invention is directed to cell plates for an electrolyser module and to an electrolyser module incorporating the plates. The plates comprise an electrolysis chamber opening, at least one degassing chamber opening, and at least one gas-liquid conduit opening. The plates further comprise a channel connecting the electrolysis chamber opening and the gas-liquid conduit opening. The present invention is directed further to a process and apparatus for separating a gas-liquid mixture generated at an electrolysis cell.
    Type: Application
    Filed: December 7, 2005
    Publication date: September 17, 2009
    Applicant: Stuart Energy Systems Corporation
    Inventors: James T. Hinatsu, Michael C. Stemp