Patents by Inventor Serge Gerzdev

Serge Gerzdev 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).

  • Low thermal conductivity heat barrier coating, a metal article having such a coating, and a process for depositing the coating
    Patent number: 6312832
    Abstract: A low thermal conductivity heat barrier coating deposited on a superalloy substrate is characterised in that it comprises a homogeneous mixture of oxides and has a composition containing a zirconia base, a zirconia-stabilizing oxide, and from 0.5 to 12 weight % of an additional metal element selected from nickel, cobalt, iron and mixtures thereof. The additional metal element may be added in an oxidised form, and the coating may also contain from 0.01 to 1 weight % of carbon.
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: November 6, 2001
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation “Snecma”
    Inventors: Serge Alexandre Alperine, Serge Gerzdev, Yann Philippe Jaslier, Yuri Tamarine