Patents by Inventor Michael K. Wackerfuss

Michael K. Wackerfuss 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).

  • Membrane electrode assembly
    Patent number: 6319293
    Abstract: A membrane electrode assembly is provided comprising an ion conducting membrane and one or more electrode layers that comprise nanostructured elements, wherein the nanostructured elements are in incomplete contact with the ion conducting membrane. This invention also provides methods to make the membrane electrode assembly of the invention. The membrane electrode assembly of this invention is suitable for use in electrochemical devices, including proton exchange membrane fuel cells, electrolyzers, chlor-alkali separation membranes, and the like.
    Type: Grant
    Filed: December 10, 1998
    Date of Patent: November 20, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Mark K. Debe, Richard J. Poirier, Michael K. Wackerfuss, Raymond J. Ziegler
  • Membrane electrode assembly
    Patent number: 5879828
    Abstract: A membrane electrode assembly is provided comprising an ion conducting membrane and one or more electrode layers that comprise nanostructured elements, wherein the nanostructured elements are in incomplete contact with the ion conducting membrane. This invention also provides methods to make the membrane electrode assembly of the invention. The membrane electrode assembly of this invention is suitable for use in electrochemical devices, including proton exchange membrane fuel cells, electrolyzers, chlor-alkali separation membranes, and the like.
    Type: Grant
    Filed: October 10, 1997
    Date of Patent: March 9, 1999
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Mark K. Debe, Richard J. Poirier, Michael K. Wackerfuss, Raymond J. Ziegler