Patents by Inventor Stéphane ROLL

Stéphane ROLL 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).

  • FLOOR STRUCTURE FOR VEHICLE
    Publication number: 20260077789
    Abstract: A floor structure for a railway vehicle includes a composite panel. The panel includes a lower metal plate, an upper metal plate, and a layer of thermal insulating material arranged between the lower and upper metal plates. The layer of thermal insulating material can include a plate of wood or bark.
    Type: Application
    Filed: November 25, 2025
    Publication date: March 19, 2026
    Inventors: Stéphane ROLL, Bernard TRITZ, Joël SAMAIN, Jérémy KEERSBULIK
  • Frame structure for vehicle
    Patent number: 12539894
    Abstract: A floor structure for a railway vehicle includes a composite panel. The panel includes a lower metal plate, an upper metal plate, and a layer of thermal insulating material arranged between the lower and upper metal plates. The layer of thermal insulating material includes a plate of wood or bark.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: February 3, 2026
    Assignee: ALSTOM HOLDINGS
    Inventors: Stéphane Roll, Bernard Tritz, Joël Samain, Jérémy Keersbulik
  • FRAME STRUCTURE FOR VEHICLE
    Publication number: 20220396297
    Abstract: A floor structure for a railway vehicle includes a composite panel. The panel includes a lower metal plate, an upper metal plate, and a layer of thermal insulating material arranged between the lower and upper metal plates. The layer of thermal insulating material includes a plate of wood or bark.
    Type: Application
    Filed: June 7, 2022
    Publication date: December 15, 2022
    Inventors: Stéphane ROLL, Bernard TRITZ, Joël SAMAIN, Jérémy KEERSBULIK