Patents by Inventor Gunter Hellmann

Gunter Hellmann 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: 20070261741
    Abstract: A hydraulic unit, comprising a tank case for accommodating a hydraulic medium, in which a hydraulic pump is disposed and is adjoined by a valve block on which at least one controllable valve is arranged in a supply line to a hydraulic user, and an electric motor which has a stator housing on the side of the valve block that is opposite the tank case, and the shaft of which is coupled to the hydraulic pump via the valve block, characterized in that the valve block and stator housing are integrally formed.
    Type: Application
    Filed: April 18, 2007
    Publication date: November 15, 2007
    Applicant: Jungheinrich Aktiengesellschaft
    Inventor: Gunter Hellmann
  • Publication number: 20060243509
    Abstract: A low-lift industrial truck, comprising a drive portion having a driving axle and a load-carrying portion which has two parallel wheel arms and is adjustable in height by means of a lifting device, wherein the wheel arms have load-carrying wheels in the free end region that are supported in rocker arms which, in turn, are coupled to the drive portion via a linkage so as to pivot the load-carrying wheels towards the underlying floor when the load-carrying portion is lifted, wherein the load-carrying portion has provided thereon an additional axle on which the load-carrying portion rests when in a lowered, non-loaded condition while the load-carrying wheels are largely relieved of loads or are lifted from the underlying floor.
    Type: Application
    Filed: March 10, 2006
    Publication date: November 2, 2006
    Inventors: Gunter Hellmann, Marcel Krenzin