Patents by Inventor Darren R. Dunphy

Darren R. Dunphy 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).

  • Hydrolytically-stable hydrophilic coatings for PEMFC bipolar plate
    Patent number: 9123921
    Abstract: Bipolar plates useful for fuel cell applications include a plate body having a channel-defining surface that is at least partially coated with a hydrophilic layer. This hydrophilic layer comprises residues of a silane-coupling agent in a sufficient amount such portions of the first hydrophilic layer have a contact angle less than a predetermined value.
    Type: Grant
    Filed: May 13, 2008
    Date of Patent: September 1, 2015
    Assignee: GM Global Technology Operations LLC
    Inventors: Richard H. Blunk, Feng Zhong, Darren R. Dunphy
  • Hydrolytically-stable hydrophilic coatings for PEMFC bipolar plate
    Patent number: 9054349
    Abstract: Bipolar plates useful for fuel cell applications include a plate body having a channel-defining surface that is at least partially coated with a hydrophilic layer. This hydrophilic layer comprises residues of a silane-coupling agent in a sufficient amount such portions of the first hydrophilic layer have a contact angle less than a predetermined value.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: June 9, 2015
    Assignee: GM Global Technology Operations LLC
    Inventors: Richard H. Blunk, Feng Zhong, Darren R. Dunphy
  • Hydrolytically-Stable Hydrophilic Coatings for PEMFC Bipolar Plate
    Publication number: 20120052207
    Abstract: Bipolar plates useful for fuel cell applications include a plate body having a channel-defining surface that is at least partially coated with a hydrophilic layer. This hydrophilic layer comprises residues of a silane-coupling agent in a sufficient amount such portions of the first hydrophilic layer have a contact angle less than a predetermined value.
    Type: Application
    Filed: November 8, 2011
    Publication date: March 1, 2012
    Applicants: University of New Mexico, GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Richard H. Blunk, FENG ZHONG, Darren R. Dunphy
  • HYDROLYTICALLY-STABLE HYDROPHILIC COATINGS FOR PEMFC BIPOLAR PLATE
    Publication number: 20090286132
    Abstract: Bipolar plates useful for fuel cell applications include a plate body having a channel-defining surface that is at least partially coated with a hydrophilic layer. This hydrophilic layer comprises residues of a silane-coupling agent in a sufficient amount such portions of the first hydrophilic layer have a contact angle less than a predetermined value.
    Type: Application
    Filed: May 13, 2008
    Publication date: November 19, 2009
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: Richard H. Blunk, Feng Zhong, Darren R. Dunphy