Patents by Inventor Pierre Charlat

Pierre Charlat 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).

  • Method and device for recovering water from a fuel cell
    Publication number: 20020192514
    Abstract: The device comprises a rectilinear collector (20) into which open the outlets (12) of the cells (2) and which is provided with a pressure regulator (29), a removal tube (23) extending rectilinearly within the collector and connected to the outside of this latter to a recovery vat (24) into which it opens through an outlet (25) located at a height h relative to its axis, at least one constriction (26 or 27) presented by the tube and calibrated such that the residual pressure downstream of the pressure regulator will be greater than that of a column of water having a height corresponding to the height h.
    Type: Application
    Filed: July 9, 2002
    Publication date: December 19, 2002
    Inventor: Pierre Charlat
  • Safety process and device for starting up a fuel cell
    Publication number: 20020058167
    Abstract: A device for starting up a fuel cell includes: two valves (17 and 18) mounted in the inlet and the outlet of the hydrogen circuit of the anode compartment; and a controlled bridge circuit (24) between the inlet of the hydrogen circuit to the anode compartment and either the anode compartment or the ambient.
    Type: Application
    Filed: November 13, 2001
    Publication date: May 16, 2002
    Applicant: L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE
    Inventor: Pierre Charlat