Patents by Inventor Cyril Graebling

Cyril Graebling 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: 20100275771
    Abstract: The present invention relates to a hydraulic system having at least two piston-in-cylinder units, at least one equalization line for the pressure equalization between the piston-in-cylinder units and the control pistons, with one respective control piston being associated with a connection of a piston-in-cylinder unit and with at least one 2-way flow regulation valve with a check valve function being in communication with the at least one equalization line.
    Type: Application
    Filed: April 28, 2010
    Publication date: November 4, 2010
    Applicant: LIEBHERR-FRANCE SAS
    Inventors: Frank Helbling, Cyril Graebling