Patents by Inventor Gérard Delahalle

Gérard Delahalle 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).

  • Electric glass melting furnace, with pivoting wall elements
    Patent number: 6810068
    Abstract: An electric glass-melting furnace including a floor made of refractory materials, four lateral walls, an upper roof, a glass composition feeder, and an output channel for the melted glass. The furnace includes a set of elements pivoting about horizontal axes and placed at the periphery of the furnace between at least one of the lateral walls and the roof.
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: October 26, 2004
    Assignee: Saint-Gobain Isover
    Inventors: Hervé Cotonnec, Gérard Delahalle
  • Electric glass melting furnace, with pivoting wall elements
    Publication number: 20040081219
    Abstract: An electric glass-melting furnace including a floor made of refractory materials, four lateral walls, an upper roof, a glass composition feeder, and an output channel for the melted glass. The furnace includes a set of elements pivoting about horizontal axes and placed at the periphery of the furnace between at least one of the lateral walls and the roof.
    Type: Application
    Filed: April 17, 2003
    Publication date: April 29, 2004
    Inventors: Herve Cotonnec, Gerard Delahalle
  • Electric melting device
    Patent number: 5596598
    Abstract: A support for a melting electrode used in a glass melting bath. The support includes concentric tubes which provide for the circulation of a cooling fluid within the support. A current is provided through the outer tube to the electrode. The surface of the outer tube is electrically insulated and may be protected by a second cooling system outside the electrical insulation.
    Type: Grant
    Filed: July 26, 1995
    Date of Patent: January 21, 1997
    Assignee: Isover Saint Gobain
    Inventors: Gerard Delahalle, Stephane Maugendre, Thierry Caillaud, Pierre Peigne, Francois Szalata