Patents by Inventor Rüdiger Hanf

Rüdiger Hanf 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).

  • CERAMIC ROD AND AUXILIARY HEATER OR LIQUID HEATER COMPRISING A CERAMIC HEATING ROD
    Publication number: 20140219641
    Abstract: This disclosure relates to a ceramic rod having a ceramic PTC heating conductor and a ceramic insulation layer, which is sintered with the PTC heating conductor. According to this disclosure, the PTC heating conductor has a transition temperature that does not exceed 300° C., and preferably does not exceed 200° C. This disclosure also relates to the use of a ceramic rod, which comprises a ceramic PTC heating conductor and a ceramic insulation layer, which is sintered with the PTC heating conductor, as a heating rod for an auxiliary heater or a liquid heater in a motor vehicle. This disclosure also relates to an auxiliary heater for heating an air flow and a liquid heater comprising a heating rod, which is a ceramic rod, which has a ceramic PTC heating conductor and a ceramic insulator sintered therewith.
    Type: Application
    Filed: February 4, 2014
    Publication date: August 7, 2014
    Inventors: Alexander Dauth, Rüdiger Hanf