Patents by Inventor Helene Grussaute Ngheim

Helene Grussaute Ngheim 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).

  • Insulating glazing unit for an opening leaf of a refrigerated enclosure
    Patent number: 7870704
    Abstract: The invention concerns an insulating glazing wherein the gap between the substrates is filled with at least one rare gas such as argon, krypton or xenon, the inter-layer sheet (50) has a thermal conductivity less than 1 W/m.K, preferably less than 0.3 W/m.K, a low-emissive coating being deposited on at least part of one of the substrates, an anti-frost coating being deposited on part of at least the outer surface of one substrate, the glazing being free of heating element, the glazing having a thermal conductivity coefficient U less than 1.2 W/m.K with a gas filling of at least 85%, and having a light transmission of at least 67% and a light reflection less than 18%.
    Type: Grant
    Filed: September 15, 2005
    Date of Patent: January 18, 2011
    Assignee: Saint-Gobain Glass France
    Inventors: Luc-Michel Riblier, Helene Grussaute Ngheim, Marie Isabelle Watchi
  • Inzulating Glazing Unit, in Particular for Refrigerated Chamber Door
    Publication number: 20080164788
    Abstract: The invention concerns an insulating glazing wherein the gap between the substrates is filled with at least one rare gas such as argon, krypton or xenon, the inter-layer sheet (50) has a thermal conductivity less than 1 W/m.K, preferably less than 0.3 W/m.K, a low-emissive coating being deposited on at least part of one of the substrates, an anti-frost coating being deposited on part of at least the outer surface of one substrate, the glazing being free of heating element, the glazing having a thermal conductivity coefficient U less than 1.2 W/m.K with a gas filling of at least 85%, and having a light transmission of at least 67% and a light reflection less than 18%.
    Type: Application
    Filed: September 15, 2005
    Publication date: July 10, 2008
    Inventors: Luc-Michel Riblier, Helene Grussaute Ngheim, Marie Isabelle Watchi