Patents by Inventor Jacques Allain

Jacques Allain 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).

  • Modular ionization chamber of the boron-coating type
    Patent number: 4044301
    Abstract: A leak-tight cylindrical metal casing filled with an ionizable gas contains a plurality of modules each having the function of an independent ionization chamber. Electrically insulated resilient means serve to maintain each module in position both radially and longitudinally within the casing. A central cylindrical core within each module serves as a support for two concentric cylindrical electrodes whose opposite faces are coated with boron-10.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: August 23, 1977
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Jacques Allain, Jean Duchene, Marc Merelli