Patents by Inventor Wolgang Stephan

Wolgang Stephan 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).

  • Exhaust gas aftertreatment device for diesel engines of vehicles, preferably passenger cars
    Publication number: 20060236679
    Abstract: An exhaust gas after treatment device for a diesel engine of a vehicle has at least one injection valve with an injection nozzle through which an exhaust gas treatment medium is injected into an exhaust pipe. At least one pump is provided that conveys the exhaust gas treatment medium to the at least one injection valve. At least one sensor and at least one control are also provided. The pump, the sensor, and the injection valve are connected to the at least one control. The at least one pump and the at least one control are combined to an assembly, and the assembly also includes the at least one injection valve.
    Type: Application
    Filed: August 19, 2004
    Publication date: October 26, 2006
    Applicant: Hydraulik-Ring GmbH
    Inventors: Roland Meyer, Dieter Maisch, Stefan Klotz, Wolgang Stephan