Patents by Inventor Michel Verlhac

Michel Verlhac 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).

  • Burner and utilization of such burner in glass furnace
    Patent number: 5934893
    Abstract: The burner comprises a tap-hole block (1), a burner body (C) substantially comprised of a tubular element (2), at least one injection blowpipe (3) extending through the burner body and into the cavity (P) of the tap-hole block (1), and unlockable quick mounting means (22, 20; 16, 23; 26, 28) for mounting the injection blowpipe (3) to the tubular element (2) and the tubular element (2) to the tape-hole block (1).
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: August 10, 1999
    Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Georges Claude
    Inventors: Serge Laurenceau, Louis Philippe, Jean-Yves Iatrides, Michel Verlhac
  • Burner and utilization of such a burner in a glass furnace
    Patent number: 5772427
    Abstract: The burner comprises a tap-hole block (1), a burner body (C) substantially comprised of a tubular element (2), at least one injection blowpipe (3) extending through the burner body and into the cavity (P) of the tap-hole block (1), and unlockable quick mounting means (22, 20, 16, 23, 26, 28) for mounting the injection blowpipe (3) to the tubular elements (2) and the tubular element (2) to the tap-hole block (1). Application particularly to the oxicombustion in glass furnaces.
    Type: Grant
    Filed: January 5, 1996
    Date of Patent: June 30, 1998
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etudes et l'Exploitation des Procedes Georges Claude
    Inventors: Serge Laurenceau, Louis Philippe, Jean-Yves Iatrides, Michel Verlhac
  • Device for providing a non-oxidizing atmosphere above a soldering bath of a machine for wave soldering
    Patent number: 5161727
    Abstract: A device for providing a non-oxidizing atmosphere above a soldering bath in a vat of a machine for wave soldering, includes a hooding assembly closing the vat, an inner space and a conveyor for electronic circuits extending through the inner space. The inner space is separated from the surrounding atmosphere through seals disposed along the path of the circuits. There is structure for providing and maintaining a non-oxidizing atmosphere in the inner space, for example an inert gas or a mixture of inert and reducing gas.
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: November 10, 1992
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Marc Leturmy, Denis Fumat, Sylvie Mellul, Michel Verlhac