Patents by Inventor Jean-Claude Hennebelle

Jean-Claude Hennebelle 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).

  • Master cylinder piston and device for mounting a check valve therein
    Patent number: 6935113
    Abstract: A master cylinder piston for use in a motor vehicle having a flap (22) that is biased towards a position to shut off a pressure-fluid passage (24) by a return spring (28) resting on a cage (30). A flange (38) on a cage (30)for the Spring (28) is located in an annular groove (44) provided in the housing (20) for the flap (22) when the cage (30) bears axially on an inner shoulder (64) of the housing (20).
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: August 30, 2005
    Assignee: Robert Bosch GmbH
    Inventors: Henri Pagot, Jean-Claude Hennebelle, Vincenzo Manzo
  • Master cylinder piston and device for mounting a check valve therein
    Publication number: 20040237769
    Abstract: A master cylinder piston, more particularly for a motor vehicle, comprises a flap (22), biased towards a position in which it shuts off a pressure-fluid passage (24), by means of a return spring (28) resting on a cage (30), which includes retaining means (38, 40) under a permanent set for their accommodation in an annular groove (44) provided in the housing (20) of the flap, when the cage (30) bears axially on an inner shoulder (64) of the housing (20).
    Type: Application
    Filed: June 3, 2003
    Publication date: December 2, 2004
    Inventors: Henri Pagot, Jean-Claude Hennebelle, Vincenzo Manzo