Patents by Inventor Peter Wojtas

Peter Wojtas 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: 10164264
    Abstract: A method of manufacturing a fuel cell electrode includes stamping an electrode workpiece (50, 50?) in a sequence configured to control and/or reduce material growth, such as stamping discrete sections of the electrode workpiece in a sequential order. The method can employ a die with a die face (18, 18?) having a plurality of projections (24, 24?), wherein each projection has a top surface (26, 26?) with a concave curve along at least one plane to control and/or reduce material growth during a stamping operation.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: December 25, 2018
    Assignee: Pridgeon & Clay, Inc.
    Inventors: Michael D. Kozal, Peter Wojtas, William Kanouse, Stacey Broom, Roger L. Whitley
  • Publication number: 20140093813
    Abstract: A method of manufacturing a fuel cell electrode includes stamping an electrode workpiece (50, 50?) in a sequence configured to control and/or reduce material growth, such as stamping discrete sections of the electrode workpiece in a sequential order. The method can employ a die with a die face (18, 18?) having a plurality of projections (24, 24?), wherein each projection has a top surface (26, 26?) with a concave curve along at least one plane to control and/or reduce material growth during a stamping operation.
    Type: Application
    Filed: March 15, 2012
    Publication date: April 3, 2014
    Inventors: Michael D. Kozal, Peter Wojtas, William Kanouse, Stacey Broom, Roger L. Whitley