Patents by Inventor Francis Chassagne

Francis Chassagne 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).

  • MARTENSITIC STAINLESS STEEL, METHOD FOR THE PRODUCTION OF A SEMI-FINISHED PRODUCT FROM SAID STEEL, AND CUTTING TOOL PRODUCED FROM THE SEMI-FINISHED PRODUCT
    Publication number: 20180127858
    Abstract: Martensitic stainless steel, characterized in that its composition consists of, in percentages by weight: 0.10%?C?0.45%; traces?Mn?1.0%; traces?Si?1.0%; traces?S?0.01%; traces?P?0.04%; 15.0%?Cr?18.%; traces?Ni?0.50%; traces?Mo?0.50%; traces?Cu?0.50%; traces?V?0.50%; traces?Nb?0.03%; traces?Ti?0.03%; traces?Zr?0.03%; traces?Al?0.010%; traces?O?0.0080%; traces?Pb?0.02%; traces?Bi?0.02%; traces?Sn?0.02%; 0.10%?N?0.20%; C+N?0.25%; Cr+16N?5C?16.0%; preferably 17Cr+500C+500N?570%; the rest being iron and impurities resulting from the development. A method for the production of a semi-finished product from this martensitic stainless steel, and cutting tool produced from this semi-finished product.
    Type: Application
    Filed: April 29, 2016
    Publication date: May 10, 2018
    Inventors: Francis Chassagne, Françoise Haegeli
  • Installation for making cold rolled stainless steel bands
    Patent number: 6478899
    Abstract: A stainless steel band is continuously cast. The stainless steel band is descaled and cold rolled. The cold rolled band is annealed and descaled or bright annealed. The band is finish formed and finally coiled. The stainless steel band is not coiled after being continuously cast and before being finally coiled.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: November 12, 2002
    Assignee: Ugine S.A.
    Inventors: Hugues Legrand, Luc Vendeville, Jean Veyer, Francis Chassagne, Jean-Michel Damasse, Yann Breviere, Henri Giraud, Jean-Pierre Malingriaux, Michel Ternisien, Bernard Tetu, Bernard Vialatte