Patents by Inventor Per Wittenhoff

Per Wittenhoff 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).

  • Composite flow plate for electrolytic cell
    Patent number: 9828685
    Abstract: A flow plate for use as an anode current collector in an electrolytic cell for the production of hydrogen from water is provided. The flow plate comprises a channel plate and a cover plate. A front face of the channel plate is provided with a flow field pattern of open-faced channels defined by depressed portions alternating with elevated portions. The cover plate made of a material that is corrosion resistant in an anodic environment of water electrolysis. The cover plate is arranged parallel on top of the channel plate and in electrical contact with the front face thereof. The cover plate is further provided with a pattern of through-going apertures alternating with closed portions, and the closed portions cover at least the elevated portions of the channel plate.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: November 28, 2017
    Assignee: EWII FUEL CELLS A/S
    Inventors: Carsten Henneberg Rømer, Jørgen Schjerning Lundsgaard, Per Wittenhoff, David Morgan Thomas
  • COMPOSITE FLOW PLATE FOR ELECTROLYTIC CELL
    Publication number: 20160002798
    Abstract: A flow plate for use as an anode current collector in an electrolytic cell for the production of hydrogen from water is provided. The flow plate comprises a channel plate and a cover plate. A front face of the channel plate is provided with a flow field pattern of open-faced channels defined by depressed portions alternating with elevated portions. The cover plate made of a material that is corrosion resistant in an anodic environment of water electrolysis. The cover plate is arranged parallel on top of the channel plate and in electrical contact with the front face thereof. The cover plate is further provided with a pattern of through-going apertures alternating with closed portions, and the closed portions cover at least the elevated portions of the channel plate.
    Type: Application
    Filed: February 10, 2014
    Publication date: January 7, 2016
    Inventors: Carsten Henneberg Rømer, Jørgen Schjerning Lundsgaard, Per Wittenhoff, David Morgan Thomas