Patents by Inventor Andre Paul Pierre

Andre Paul Pierre 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).

  • Glass sheet annealing lehr
    Patent number: 3963469
    Abstract: A leer for the cooling and annealing of glass includes, at the entering, hot end thereof, a plurality of smooth-surfaced glass-supporting rollers of stainless steel and, at the cool or exit end a plurality of glass-supporting rollers of stainless steel having circumferential or helical ridges on which the glass rests.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: June 15, 1976
    Assignee: Saint-Gobain Industries
    Inventor: Andre Paul Pierre