Patents by Inventor Gérard Lenfant

Gérard Lenfant 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 packaging carbon dioxide snow in a plastic film
    Patent number: 6427481
    Abstract: The invention relates to a method for packaging carbon dioxide snow in a plastic film bag, in which method the following steps are employed: a—a fluid which has a temperature below the dew point of the air is injected into and in contact with the plastic film bag, then b—the carbon dioxide snow is introduced into the plastic film bag, then c—the plastic film bag is closed. The invention also relates to apparatus for implementing this method.
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: August 6, 2002
    Assignee: L'Air Liquide Societe Anonyme a Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Claude Gibot, Gérard Lenfant, Xavier Benedetti
  • Method and device for packaging carbon dioxide snow in a plastic film
    Publication number: 20020029584
    Abstract: The invention relates to a method for packaging carbon dioxide snow in a plastic film bag, in which method the following steps are employed:
    Type: Application
    Filed: September 10, 2001
    Publication date: March 14, 2002
    Inventors: Claude Gibot, Gerard Lenfant, Xavier Benedetti