Patents by Inventor Rijk Jan Van Dongen

Rijk Jan Van Dongen 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: 20120144816
    Abstract: Method for operating a pneumatic system comprising at least one pneumatic cylinder, the method comprising: supplying a first gas under pressure to a pneumatic cylinder for a first stroke, wherein the first stroke is a working stroke of said cylinder, and; providing a second gas under pressure, wherein the pressure of the second gas is lower than the pressure of the first gas, wherein providing the second gas comprises providing the first gas from the pneumatic cylinder during a second stroke of said pneumatic cylinder.
    Type: Application
    Filed: May 26, 2010
    Publication date: June 14, 2012
    Applicant: Q PLUS BEHEER B.V.
    Inventor: Rijk Jan Van Dongen