Patents by Inventor Bernard Marchal

Bernard Marchal 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 installation for treating a storage site
    Patent number: 4604115
    Abstract: The tank (1) is purged by gaseous nitrogen resulting from the vaporization of liquid nitrogen which has undergone an indirect heat exchange (2) with the gas issuing from the tank. This enables the purged products to be recovered. Application in the deballasting of ships transporting liquified petroleum gas or natural gas.
    Type: Grant
    Filed: March 19, 1985
    Date of Patent: August 5, 1986
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Michel Bonneton, Bernard Marchal