Patents by Inventor Daniel Cunliffe

Daniel Cunliffe 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).

  • Publication number: 20160061128
    Abstract: To help meet exhaust gas emissions standards, an internal combustion engine may have an exhaust gas aftertreatment device located in its exhaust gas stream. However, the exhaust gas aftertreatment device may only operate effectively above a minimum threshold temperature. In the present disclosure there is provided a method and apparatus for warming the exhaust gas aftertreatment device and a method and apparatus for controlling when exhaust gas aftertreatment device warming should be initiated and stopped.
    Type: Application
    Filed: April 16, 2014
    Publication date: March 3, 2016
    Applicant: Perkins Engines Company Limited
    Inventors: Matthew Nicholson, Sarah Rutledge, Daniel Cunliffe, Peter Ladlow