Patents Represented by Attorney Sheppard Mullin

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  • Emission control system
    Patent number: 7497076
    Abstract: An emission control system is provided for an engine for reducing NOx emissions, the system comprising an ammonia injector, a controller for controlling the ammonia injector and a catalyst, wherein the controller includes a transmitter for transmitting information regarding the amount of ammonia used and the amount of NOx reduced.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: March 3, 2009
    Assignee: Extengine Transport Systems
    Inventors: Werner Funk, Phillip Roberts