Patents by Inventor Todd E Wilke

Todd E Wilke 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).

  • Method of making a membrane electrode assembly for electrochemical fuel cells
    Patent number: 7226689
    Abstract: A membrane electrode assembly may be made using a one-sided catalyst coated membrane (CCM) wherein only one catalyst layer, either the anode or the cathode, is coated directly on the ion-exchange membrane. In particular, a one-sided CCM may be used where it may not be practicable to coat both sides of the ion-exchange membrane with catalyst layers such as when PTFE is added to the anode catalyst layer to render it reversal tolerant.
    Type: Grant
    Filed: June 20, 2003
    Date of Patent: June 5, 2007
    Assignee: Ballard Power Systems Inc.
    Inventors: Siyu Ye, Paul Beattie, Todd E Wilke, Shannon R Hodgson, Kyoung Bai, Michael V Lauritzen