Patents by Inventor Jean M. F. Berthelier

Jean M. F. Berthelier 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 of and equipment for snow production
    Patent number: 5445320
    Abstract: A method of and equipment for producing snow in a closed circuit, including blowing air with a turbine into a tunnel having an air cooling member, a member for the relative reheating of the air, one or several snow guns and a snow depositing chamber, the method and equipment being usable for testing the behavior of materials in a snowy atmosphere.
    Type: Grant
    Filed: January 25, 1994
    Date of Patent: August 29, 1995
    Assignee: Technip
    Inventor: Jean M. F. Berthelier