Patents by Inventor Regis Blondeau

Regis Blondeau 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).

  • Process for using agent for improving the hydrogen cracking resistance of low or intermediate-alloy steels, and pieces obtained
    Patent number: 5221374
    Abstract: The agent in question is cobalt added in contents of between 0.05% and 2% to steels containing from 0.05% to 0.6% of carbon and less than 10% of alloying elements taken from silicon, manganese, nickel, chromium and molybdenum, to produce optionally normalized blocks, plates, bars or pieces of large size, with improved hydrogen cracking resistance and with improved weld-ability and suitability for thermal cutting. The invention also relates to a process for employing the agent and to the pieces thus obtained.
    Type: Grant
    Filed: December 16, 1991
    Date of Patent: June 22, 1993
    Assignee: Creusot Loire Industrie
    Inventors: Regis Blondeau, Jean Beguinot, Philippe Bourges, Lionel Coudreuse, Gilbert Primon, Jacques Charles
  • Method of and apparatus for quenching sheet metal
    Patent number: 4098495
    Abstract: In the quenching of sheet metal, the sheet metal is passed through a stream of quenching fluid in the form of an aerosol and which is caused to flow in a direction perpendicular to the direction of passage of the metal sheet and parallel to the general plane of the metal sheet.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: July 4, 1978
    Assignee: Creusot-Loire
    Inventors: Bernard Lhenry, Michel Toitot, Regis Blondeau