Patents by Inventor Darrell Scott SAPP

Darrell Scott SAPP 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).

  • DIAGNOSTIC SYSTEM FOR EXHAUST SYSTEM COMPONENTS
    Publication number: 20160047751
    Abstract: A diagnostic system for an exhaust system of an internal combustion engine is disclosed. The diagnostic system comprises a catalyst component and a marker that undergoes a physical transition above a transition temperature of the marker. A method for determining if a catalyst component in an exhaust system for an internal combustion engine has been exposed to a deactivating temperature is also disclosed.
    Type: Application
    Filed: August 7, 2015
    Publication date: February 18, 2016
    Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY
    Inventors: Jason PLESS, Darrell Scott SAPP, Penelope MARKATOU