Patents by Inventor Roch Angers

Roch Angers 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).

  • Addition of h-BN in stainless steel powder metallurgy
    Patent number: 6572671
    Abstract: In the invention, a stainless steel powder of the desired composition is either directly mixed with a h-BN powder, compressed and sintered or the stainless steel powder is compressed, impregnated with a solution containing h-BN and then sintered or compressed, sintered and then impregnated with a solution containing h-BN. The sintered bodies in all the aforementioned cases may be resin impregnated. Steel body formation may be done by traditional press compacting or, alternatively, by injection molding steel powder in molds (metal injection molding, MIM).
    Type: Grant
    Filed: August 9, 2000
    Date of Patent: June 3, 2003
    Assignee: Maxtech Manufacturing Inc
    Inventors: Tandjaoui Baazi, Roch Angers, Danielle Lacombe
  • h-BN modified P/M stainless steels
    Patent number: 6103185
    Abstract: In the invention, a stainless steel powder of the desired composition is either directly mixed with a h-BN powder, compressed and sintered or the stainless steel powder is compressed, impregnated with a solution containing h-BN and then sintered or compressed, sintered and then impregnated with a solution containing h-BN. The sintered bodies in all the aforementioned cases may be resin impregnated.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: August 15, 2000
    Assignee: Les Materiaux de Pointe Preitech Inc.
    Inventors: Tandjaoui Baazi, Roch Angers, Danielle LaCombe