Patents by Inventor Joseph Castan

Joseph Castan 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).

  • Process for apparatus for cryogenic cooling using liquid carbon dioxide as a refrigerating agent
    Patent number: 4886534
    Abstract: Cooling by carbon dioxide. The apparatus comprises:as an expansion member, at least one appliance (5) for the expansion and separation of the solid and gaseous phases, which is interposed between the pipe (3) and the chamber (4) and which has a gaseous-phase outlet and a solid-phase outlet communicating with the chamber via a sealing means (10),a gaseous-phase recovery pipeline (15) connected to the gaseous-phase outlet of the appliance (5),a compressor (16) fed by the recovery pipeline (15),and a means (17) for liquefying the gaseous phase for the purpose of re-using it.Application for the deep-freezing of food products.
    Type: Grant
    Filed: August 3, 1988
    Date of Patent: December 12, 1989
    Assignee: Societe Industrielle de l'Anhydride Carbonique
    Inventor: Joseph Castan