Patents by Inventor Bernard Mayonobe

Bernard Mayonobe 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).

  • Austenitic stainless steel having high properties
    Patent number: 5494636
    Abstract: The invention provides a steel containing by weight 23% .ltoreq.Cr.ltoreq.28%; 15%.ltoreq.Ni.ltoreq.28%; 0.5%.ltoreq.Mn.ltoreq.6%; 3%.ltoreq.Mo.ltoreq.8%; 0.35%.ltoreq.N.ltoreq.0.8%; and 1%.ltoreq.W.ltoreq.5%. The steel has a high resistance to corrosion and may be used for manufacturing massive parts for any application, in particular for manufacturing equipment for oil platforms and chemical works, containers for transporting corrosive products, ship hulls and ply sheets.
    Type: Grant
    Filed: October 6, 1994
    Date of Patent: February 27, 1996
    Assignees: Creusot-Loire Industrie, Tecphy
    Inventors: Francois Dupoiron, Jean-Christophe Gagnepain, Richard Cozar, Bernard Mayonobe