Patents by Inventor David DEVRED

David DEVRED 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).

  • System for assisting the driving of a trailer from an open tipping hydraulic circuit
    Patent number: 11332006
    Abstract: The present invention concerns a hydraulic system comprising a hydraulic pump (130) installed on a truck tractor (10), a hydraulic pipe (160) connected to the outlet of the pump (130) and a connector (170) positioned at the outlet of the pipe (160) and designed to be connected to a complementary socket (180) provided on a trailer (20) in order to supply a ram (110) positioned on the trailer, for example for tipping purposes, characterised by the fact that it comprises a circuit selector (210) designed to connect said socket (180) selectively either to a ram (110) or a conduit (220) supplying a drive assistance circuit and an assistance circuit return conduit (250) designed to be connected to a tank (120) positioned on the truck tractor.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: May 17, 2022
    Assignee: POCLAIN HYDRAULICS INDUSTRIE
    Inventors: Fabien Roger, Cedric Magnien, Gery Depierre, David Devred, Loris Taxil, Matej Erznoznik
  • SYSTEM FOR ASSISTING THE DRIVING OF A TRAILER FROM AN OPEN TIPPING HYDRAULIC CIRCUIT
    Publication number: 20190329649
    Abstract: The present invention concerns a hydraulic system comprising a hydraulic pump (130) installed on a truck tractor (10), a hydraulic pipe (160) connected to the outlet of the pump (130) and a connector (170) positioned at the outlet of the pipe (160) and designed to be connected to a complementary socket (180) provided on a trailer (20) in order to supply a ram (110) positioned on the trailer, for example for tipping purposes, characterised by the fact that it comprises a circuit selector (210) designed to connect said socket (180) selectively either to a ram (110) or a conduit (220) supplying a drive assistance circuit and an assistance circuit return conduit (250) designed to be connected to a tank (120) positioned on the truck tractor.
    Type: Application
    Filed: October 24, 2017
    Publication date: October 31, 2019
    Inventors: Fabien ROGER, Cedric MAGNIEN, Gery DEPIERRE, David DEVRED, Loris TAXIL, Matej ERZNOZNIK