Patents by Inventor Hélène Burlet

Hélène Burlet 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).

  • Method for assembling by diffusion welding a martensite stainless steel and a copper alloy and resulting bimetal element
    Patent number: 6478214
    Abstract: The present invention relates to a diffusion welding assembly process between a martensitic stainless steel and a copper alloy, and in particular, to an assembly process of a martensitic stainless steel component with a component comprising copper. Said process may be used for example to produce a bimetal part designed to operate at high temperatures. It particularly comprises a step consisting of degreasing and stripping the surfaces of the components to be assembled, a step consisting of placing the degreased and stripped surfaces of the components to be assembled in direct contact and a step consisting of diffusion welding assembly.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: November 12, 2002
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Emmanuel Rigal, Hélène Burlet