Patents by Inventor Mantel Marc

Mantel Marc 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).

  • Shape memory stainless alloy
    Patent number: 5173131
    Abstract: Stainless iron-base alloy having a total shape memory effect consisting, after a given cold mechanical deformation, in a recovery of the initial shape by heating, characterized in that its composition by weight is the following:9 to 13% chromium,15 to 25% manganese,3 to 6% silicon,the remainder being iron and residual impurities resulting from the fusion of substances necessasry for producing the alloy, the proportions of the elements satisfying the relation:1.43(%Si)+1 (%Cr) .ltoreq.17.The invention also provides a method for producing this alloy.
    Type: Grant
    Filed: November 21, 1990
    Date of Patent: December 22, 1992
    Assignee: Ugine, Aciers De Chatillon Et Gueugnon
    Inventor: Mantel Marc