Patents by Inventor Mathilde LE GUENNEC

Mathilde LE GUENNEC 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).

  • Ballastless track section for a rail vehicle
    Patent number: 12448736
    Abstract: The invention relates to a ballastless track section for a rail vehicle, said section being fastened to a platform (10) and comprising: a prefabricated concrete track slab (20, 120) comprising two stringers (21, 22); a rounded bearing surface (21c, 22c) borne by an underside of each stringer at each longitudinal end and having a curvature, the center of curvature of which is the top of a rail (21b, 22b) borne by the stringer; a prefabricated support pad (30, 130) for supporting each longitudinal end of the slab (20, 120) and comprising at least two support bases (33, 34) for the two stringers of this longitudinal end of the slab, each base (33, 34) comprising at least one shim (33a, 34a) of predetermined thickness supporting said rounded bearing surface (21c, 22c) of the stringer of said slab facing this base.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: October 21, 2025
    Assignee: SYSTRA
    Inventors: David Vian, Youcef Alloui, Mathilde Le Guennec, Marcel Girardi, Jérôme Olive
  • BALLASTLESS TRACK SECTION FOR A RAIL VEHICLE
    Publication number: 20220162806
    Abstract: The invention relates to a ballastless track section for a rail vehicle, said section being fastened to a platform (10) and comprising: a prefabricated concrete track slab (20, 120) comprising two stringers (21, 22); a rounded bearing surface (21c, 22c) borne by an underside of each stringer at each longitudinal end and having a curvature, the center of curvature of which is the top of a rail (21b, 22b) borne by the stringer; a prefabricated support pad (30, 130) for supporting each longitudinal end of the slab (20, 120) and comprising at least two support bases (33, 34) for the two stringers of this longitudinal end of the slab, each base (33, 34) comprising at least one shim (33a, 34a) of predetermined thickness supporting said rounded bearing surface (21c, 22c) of the stringer of said slab facing this base.
    Type: Application
    Filed: March 16, 2020
    Publication date: May 26, 2022
    Inventors: David VIAN, Youcef ALLOUI, Mathilde LE GUENNEC, Marcel GIRARDI, Jérôme OLIVE