Patents by Inventor Laurent Drutel

Laurent Drutel 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).

  • Pressure regulator device, especially of the hydraulic remote-control type
    Patent number: 8434519
    Abstract: Pressure regulator device comprising a body (1), a minimum of a pressure reducer and a damper mounted in control and damping cavities, respectively, in the body (1), and a control member (4) pivoting on an upper face (10) of the body (1). The device is noteworthy in that the control and damping cavities have open ends in a peripheral face (12) of the body (1) and the control member (4) has parts (47) that are opposite the peripheral face (12) in order to face the open ends of the respective control and damping cavities, from which control (21) and damping pushrods, respectively, project. The present invention has an application in the hydraulic remote controls of civil engineering machines.
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: May 7, 2013
    Assignee: Bosch Rexroth D.S.I.
    Inventors: Gérard Larzoe, Laurent Drutel
  • PRESSURE REGULATOR DEVICE, ESPECIALLY OF THE HYDRAULIC REMOTE-CONTROL TYPE
    Publication number: 20110214751
    Abstract: Pressure regulator device comprising a body (1), a minimum of a pressure reducer and a damper mounted in control and damping cavities, respectively, in the body (1), and a control member (4) pivoting on an upper face (10) of the body (1). The device is noteworthy in that the control and damping cavities have open ends in a peripheral face (12) of the body (1) and the control member (4) has parts (47) that are opposite the peripheral face (12) in order to face the open ends of the respective control and damping cavities, from which control (21) and damping pushrods, respectively, project. The present invention has an application us the hydraulic remote controls of civil engineering machines.
    Type: Application
    Filed: October 16, 2009
    Publication date: September 8, 2011
    Applicant: BOSCH REXROTH D.S.I.
    Inventors: Gérard Laroze, Laurent Drutel