Patents by Inventor Chockkalingham Karuppaiah

Chockkalingham Karuppaiah 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).

  • Fuel cell having a non-electrolytic layer
    Publication number: 20040214073
    Abstract: A non-electrolytic layer that can be used, for example, in an electrode unit, a fuel cell, and/or a fuel cell stack is disclosed.
    Type: Application
    Filed: May 14, 2004
    Publication date: October 28, 2004
    Applicant: Plug Power Inc., a Delaware corporation
    Inventors: Chockkalingham Karuppaiah, Yaobang Wu
  • Fuel cell having a non-electrolytic layer
    Patent number: 6756150
    Abstract: A non-electrolytic layer that can be used, for example, in an electrode unit, a fuel cell, and/or a fuel cell stack is disclosed.
    Type: Grant
    Filed: April 8, 2002
    Date of Patent: June 29, 2004
    Assignee: Plug Power Inc.
    Inventors: Chockkalingham Karuppaiah, Yaobang Wu
  • Fuel cell
    Publication number: 20030190518
    Abstract: A non-electrolytic layer that can be used, for example, in an electrode unit, a fuel cell, and/or a fuel cell stack is disclosed.
    Type: Application
    Filed: April 8, 2002
    Publication date: October 9, 2003
    Inventors: Chockkalingham Karuppaiah, Yaobang Wu