Patents by Inventor Erick Lautner

Erick Lautner 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 control system for construction vehicle, particularly excavators
    Publication number: 20070056437
    Abstract: The invention relates to a hydraulic control system for building machinery, particularly for controlling hydraulic consumers of an excavator. According to the invention, pump channels which ensure that the hydraulic consumers are supplied in parallel by means of a spool valve of the main control unit of the piece of building machinery are provided in addition to previously existing pump channels that ensure said hydraulic consumers are serially supplied with hydraulic fluid. The additional pump channels are arranged parallel to the previously existing ones.
    Type: Application
    Filed: July 13, 2004
    Publication date: March 15, 2007
    Inventors: Volker Bosebeck, Erick Lautner, Jurgen Weber