Patents by Inventor Georg Grasi

Georg Grasi 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: 20120006006
    Abstract: An exhaust gas treatment device for an internal combustion engine, with a first particle filter and a second particle filter arranged downstream of the first particle filter in the flow direction of the exhaust gas through the exhaust gas treatment device. The second particle filter includes a support device that can be flown through by the exhaust gas, on which a filter unit is disposed. A pore size of the filter unit is less than a pore size of the support device. A method for operating an exhaust gas treatment device for an internal combustion engine is also provided.
    Type: Application
    Filed: January 27, 2010
    Publication date: January 12, 2012
    Applicant: DAIMLER AG
    Inventors: Andreas Hertzberg, Marcus Frey, Georg Grasi