Patents by Inventor Jacques Broche

Jacques Broche 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 generating low temperatures
    Patent number: 3986338
    Abstract: A method and apparatus for generating low temperatures, of the type which employs two regenerators whose hot ends are connected via changeover valves alternately to the input and output of a compressor and cooler assembly and whose cold ends are connected by a constricted passage which form a cold source. In accordance with the invention, the changeover valves are controlled by means which are subject to a reference pressure.
    Type: Grant
    Filed: December 19, 1975
    Date of Patent: October 19, 1976
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Roger Prost, Jacques Broche