Patents by Inventor Bernard Paintendre

Bernard Paintendre 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).

  • Superalloy compositions with a nickel base
    Patent number: 5104614
    Abstract: Superalloy with a nickel base matrix having good mechanical properties when ot in respect of tensile strength, creep resistance, low cycle fatigue and resistance to crack-propagation of which the composition in percentages by weight is as follows: Cr 11 to 13; Co 8 to 17; Mo 6 to 8; Nb less than or equal to 1.5; Ti 4 to 5; Al 4 to 5; Hf less than or equal to 1; C, B, Zr each less than or equal to 500 ppm; Ni remainder to 100. The alloy can be manufactured advantageously by powder metallurgy techniques and used in the manufacture of turbo machine disks.
    Type: Grant
    Filed: June 3, 1986
    Date of Patent: April 14, 1992
    Assignees: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation "S.N.E.C.M.A.", Association pour la Recherche et le Developpement des Methodes et Processus Industriels - "A.R.M.I.N.E.S.", Tecphy, Office National d'Etudes et de Recherches Aerospatiales - "O.N.E.R.A."
    Inventors: Christian A. B. Ducrocq, Didier P. A. Lestrat, Bernard Paintendre, James H. Davidson, Michel Marty, Andre Walder