Patents by Inventor Alfred Zibuschka

Alfred Zibuschka 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).

  • Method for controlling the power take-off shaft of a tractor
    Patent number: 6386303
    Abstract: The invention relates to a method for controlling the drive of the power take-off (PTO) shaft of a tractor in which the PTO shaft can be connected to the drive engine by means of a PTO shaft clutch. The tractor comprises a hydraulic power lift to which a working machine driven by the PTO shaft can be coupled.
    Type: Grant
    Filed: December 20, 2000
    Date of Patent: May 14, 2002
    Assignee: Case Corporation
    Inventors: Alfred Zibuschka, Oliver Hrazdera