Patents by Inventor Kay Hefmann

Kay Hefmann 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: 20050207841
    Abstract: A road milling machine having a milling roller with a plurality of chisels. A signal receiving unit is assigned to a machine component which is directly or indirectly involved in the milling process or to another machine component. The signal receiving unit detects an operating condition of the machine component and is connected to a signal emitting unit. An optical detecting device may be assigned to the road milling machine, whereby operations are made easier and the milling pattern is optimized.
    Type: Application
    Filed: October 18, 2002
    Publication date: September 22, 2005
    Inventors: Bernd Holl, Kay Hefmann, Gunter Hahn, Axel Mahlberg