Patents by Inventor Holger Knetsch

Holger Knetsch 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).

  • Liquid container for motor vehicles
    Patent number: 8429900
    Abstract: A liquid container for motor vehicles, especially for an aqueous urea solution, is provided. The container has an interior space into which the liquid can be fed, and also has an upwardly disposed wall to close off the interior space of the container in a fluid type manner. Provided between a maximum liquid level at a maximum filling state in the interior space of the container, and an inner side of the upwardly disposed container wall, is a free space that corresponds to an increase in volume, including the “blooming”, of the liquid that has frozen in the interior space of the container.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: April 30, 2013
    Assignee: MAN Truck & Bus AG
    Inventors: Holger Knetsch, Josef Kreutmair, Robert Zenz, Reinhard Eckert
  • Liquid container for motor vehicles
    Publication number: 20040217103
    Abstract: A liquid container for motor vehicles, especially for an aqueous urea solution, is provided. The container has an interior space into which the liquid can be fed, and also has an upwardly disposed wall to close off the interior space of the container in a fluid type manner. Provided between a maximum liquid level at a maximum filling state in the interior space of the container, and an inner side of the upwardly disposed container wall, is a free space that corresponds to an increase in volume, including the “blooming”, of the liquid that has frozen in the interior space of the container.
    Type: Application
    Filed: April 29, 2004
    Publication date: November 4, 2004
    Applicant: MAN Nutzfahrzeuge Aktiengesselschaft
    Inventors: Holger Knetsch, Josef Kreutmair, Robert Zenz, Reinhard Eckert