Patents by Inventor Werner Dölger

Werner Dölger 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).

  • Patent number: 8408522
    Abstract: The invention relates to a lifting device (10), in particular a semitrailer support or the like, comprising a shank tube (11) and a support tube (12) which is movable with respect to the shank tube, wherein on the shank tube a lifting gear mechanism (26) is arranged which comprises an input shaft arrangement (27) for connecting a drive device, and an output shaft arrangement (28) for driving a lifting spindle (20) which is arranged within the support tube and which acts on a pressure plate (18) arranged within the shank tube, wherein the pressure plate is located above the lifting gear mechanism.
    Type: Grant
    Filed: July 12, 2007
    Date of Patent: April 2, 2013
    Assignee: Haacon Hebetechnik GmbH
    Inventors: Holger Birkholz, Werner Dölger, Robert Miltenberger, Ralf Natterer