Patents by Inventor Furqan Zafar Zafar Shaikh

Furqan Zafar Zafar Shaikh 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).

  • System and Method for Monitoring Reductant Quality
    Publication number: 20080178575
    Abstract: A method of operating an internal combustion engine having a reductant delivery and storage system in an emission control system, comprising of correlating a change in a monitored operating condition with a refill event to determine whether a reductant-diluting substance has been added to the reductant storage system; and limiting vehicle operation based on the correlation.
    Type: Application
    Filed: January 31, 2007
    Publication date: July 31, 2008
    Inventors: Furqan Zafar Zafar Shaikh, John Paul Bogema, Michiel J. Van Nieuwstadt, Scott Donald Cooper, Garry Anthony Zawacki, Jacobus Hendrik Visser, William Charles Ruona, Timothy Webb, Ed Kulik, David K. Chen