Patents by Inventor Didier Leroux

Didier Leroux 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 apparatus for cooling and liquefying at least one gas with a low boiling point, such as for example natural gas
    Patent number: 4539028
    Abstract: The present invention relates to a method and an apparatus for liquefying a gas with a low boiling point, such as natural gas, by heat exchange with a main refrigerant fluid having several components. The whole of the vapor phase of this main refrigerant fluid, after being condensed and subcooled, is expanded at once to at least one first pressure, and the whole of the liquid phase of the subcooled main refrigerant fluid is expanded at once to at least one second pressure, different from the said first pressure.
    Type: Grant
    Filed: April 26, 1984
    Date of Patent: September 3, 1985
    Assignee: Compagnie Francaise d'Etudes et de Construction "Technip"
    Inventors: Henri Paradowski, Didier Leroux