Patents by Inventor Gerard Duvierre

Gerard Duvierre 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: 5022910
    Abstract: A feeder trough for transferring molten glass from a glass furnace to an object-forming station, the feeder trough comprising a channel at one of its ends to the furnace and at its other end to a bowl having at least one feeder orifice a sill which has, on its downstream face, a substantially vertical wall, occupies the entire width of the channel and has a thickness of approximately 4 to 10 cm and a height such that it allows a stream of glass approximately 8 to 10 cm thick to pass over it; and a heatable bottom drain provided upstream of the sill and practically adjoining the latter.
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: June 11, 1991
    Assignee: Societe Europeenne des Produits Refractaires
    Inventors: Gerard Duvierre, Joseph Recasens