Patents by Inventor Peter R. F. Tsai

Peter R. F. Tsai 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).

  • Combined electrically heatable and light-off converter
    Patent number: 5456890
    Abstract: There is provided an electrically heatable converter body including a multicellular metallic honeycomb characterized by a plurality of first thin metal strips and a plurality of second thin metal strips in layered alternating relation, and wherein the first thin metal strips have a leading edge portion and a trailing edge portion, the leading edge portion of the first thin metal strips being longer than the trailing edge of said first thin metal strips.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: October 10, 1995
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Peter R. F. Tsai, William A. Whittenberger