Patents by Inventor Jorg Grabbel

Jorg Grabbel 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).

  • Hydraulic steering device for vehicles
    Patent number: 7896125
    Abstract: A hydraulic steering device for vehicles, especially construction machines, with which is simple and robust mechanically and can be precisely controlled, without possessing the disadvantages of the current state of the art. A hydraulic swivelling motor for producing the steering motion, which is connected to a variable flow rate pump with reversal of its direction of delivery.
    Type: Grant
    Filed: November 6, 2003
    Date of Patent: March 1, 2011
    Assignee: CNH Baumaschinen GmbH
    Inventors: Monika Ivantysynova, Jürgen Weber, Jörg Grabbel
  • Hydraulic steering device for vehicles
    Publication number: 20060162988
    Abstract: A hydraulic steering device for vehicles, especially construction machines, with which is simple and robust mechanically and can be precisely controlled, without possessing the disadvantages of the current state of the art. A hydraulic swivelling motor for producing the steering motion, which is connected to a variable flow rate pump with reversal of its direction of delivery.
    Type: Application
    Filed: November 6, 2003
    Publication date: July 27, 2006
    Inventors: Monika Ivantysynova, Jurgen Weber, Jorg Grabbel