Patents by Inventor Dan Keilhoff

Dan Keilhoff 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).

  • Metering arrangement and method for operating a metering arrangement
    Patent number: 9695726
    Abstract: A method and arrangement for controlling heating and thawing of a metering arrangement with a metering device for the feeding of a reducing agent solution for the exhaust gas after treatment in an exhaust system. The metering device is connected with a supply container for the reducing agent solution via at least one pipe. At least one heating device is provided for the heating of at least one component of the metering arrangement. At least one first component of the metering arrangement is assigned a first heating device, which can be operated separately from a second heating device provided for the heating of at least a second component of the metering arrangement.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: July 4, 2017
    Assignee: Daimler AG
    Inventors: Thomas Hermann, Dan Keilhoff
  • Metering Arrangement and Method for Operating a Metering Arrangement
    Publication number: 20130327407
    Abstract: A method and arrangement for controlling heating and thawing of a metering arrangement with a metering device for the feeding of a reducing agent solution for the exhaust gas after treatment in an exhaust system. The metering device is connected with a supply container for the reducing agent solution via at least one pipe. At least one heating device is provided for the heating of at least one component of the metering arrangement. At least one first component of the metering arrangement is assigned a first heating device, which can be operated separately from a second heating device provided for the heating of at least a second component of the metering arrangement.
    Type: Application
    Filed: December 1, 2011
    Publication date: December 12, 2013
    Applicant: Daimler AG
    Inventors: Thomas Hermann, Dan Keilhoff