Patents by Inventor Louis Leger Jacques

Louis Leger Jacques 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).

  • Method of improving oxidation and corrosion resistance of a superalloy article, and a superalloy article obtained by the method
    Publication number: 20020006524
    Abstract: A method of improving the oxidation and corrosion resistance of a superalloy article comprises providing a superalloy substrate having a sulphur content which is less than 0.8 ppm by weight, and depositing on the substrate a protective antioxidation coating having a sulphur content also less than 0.8 ppm by weight. A heat barrier layer may also be provided by depositing on the protective anti-oxidation coating a ceramic coating of columnar structure.
    Type: Application
    Filed: December 6, 2000
    Publication date: January 17, 2002
    Applicant: SOCIETE NATIONALE D'ETUDE ET DE CONSTRUCTION DE MOTEURS D'AVIATION "SNECMA"
    Inventors: Yann Jaslier, Alexandre Alperine Serge, Louis Leger Jacques