Patents by Inventor Didier ZAEPFFEL

Didier ZAEPFFEL 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).

  • Publication number: 20240105967
    Abstract: The invention relates to a bipolar plate for a fuel cell stack that extends in a vertical plane in the use position, the plate comprising opposed first and second transverse edges, upper and lower longitudinal edges, a central region arranged between the edges, a first opening for a heat transfer fluid inlet, a second opening for heat transfer fluid collection a third opening for an oxidant inlet, a fourth opening for oxidant collection, a fifth opening for the inlet of a fuel, a sixth opening for fuel collection, wherein the first, third and sixth openings are arranged in the first transverse edge and are arranged axially in relation to one another, the second, fourth and fifth openings are arranged in the second transverse edge and are arranged axially in relation to one another, and, in the vertical position of use of the plate: the sixth opening are arranged below the first and third openings, the fourth opening is arranged below the second and fifth openings, and the second opening is arranged above the
    Type: Application
    Filed: November 17, 2023
    Publication date: March 28, 2024
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude
    Inventors: Johan ANDRE, Camille BOUVIER, Eric CLAUDE, Nicolas JANNIN, Denis SIRAC, Didier ZAEPFFEL
  • Publication number: 20210119227
    Abstract: The invention relates to a bipolar plate for a fuel cell stack that extends in a vertical plane in the use position, the plate comprising opposed first and second transverse edges, upper and lower longitudinal edges, a central region arranged between the edges, a first opening for a heat transfer fluid inlet, a second opening for heat transfer fluid collection a third opening for an oxidant inlet, a fourth opening for oxidant collection, a fifth opening for the inlet of a fuel, a sixth opening for fuel collection, wherein the first, third and sixth openings are arranged in the first transverse edge and are arranged axially in relation to one another, the second, fourth and fifth openings are arranged in the second transverse edge and are arranged axially in relation to one another, and, in the vertical position of use of the plate: the sixth opening are arranged below the first and third openings, the fourth opening is arranged below the second and fifth openings, and the second opening is arranged above the
    Type: Application
    Filed: September 28, 2020
    Publication date: April 22, 2021
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Johan ANDRE, Camille BOUVIER, Eric CLAUDE, Nicolas JANNIN, Denis SIRAC, Didier ZAEPFFEL