Patents by Inventor Pascal DuPont

Pascal DuPont 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).

  • Device for supplying a purified gas to a plant purged using this purified gas
    Patent number: 6235087
    Abstract: The invention relates to a device for supplying a purified gas to a plant which is purged with purified gas. The device includes a feed line connected, on the one hand, to a source of substantially pure gas and, on the other hand, to an inlet of the plant. The purified gas being passed therethrough is contaminated with impurities. The device further includes a line which is intended to recover the contaminated gas at the outlet of the plant and is connected to the feed line. The lines are arranged one after the other downstream of where the recovery line is connected to the feed line, a compressor and a device for separating the impurities from the contaminated gas by permeation in order to supply a purified gas to the plant.
    Type: Grant
    Filed: May 18, 1999
    Date of Patent: May 22, 2001
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Gilbert Chevalier, Pascal DuPont