Patents by Inventor Bernard Boffa

Bernard Boffa 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).

  • Patent number: 4744749
    Abstract: The invention concerns an improvement in a suction or blowing pipe for a furnace having partition chambers intended for the firing of carbonaceous blocks. The pipe comprises a main body (3) provided with a plurality of nozzles (10) to which tubular nipples (2) are connected in a number equal to the number or partitions (5) forming the chambers of the furnace. Each of the nipples is connected to a transverse furnace wall (9) or a partition (5) by a taphole (8) disposed in the upper part of the wall or partition.
    Type: Grant
    Filed: June 10, 1987
    Date of Patent: May 17, 1988
    Assignee: Aluminium Pechiney
    Inventors: Christian Dreyer, Bernard Boffa