Patents by Inventor Edmond Lobry

Edmond Lobry 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 coating stainless steel with a lead-based alloy and article
    Patent number: 4177326
    Abstract: The invention relates to a process and installation for making stainless els coated with a lead-based alloy and having undergone annealing. The surface of the product is first prepared by mechanical treatment, then the product is pre-coated by known techniques such as hot tin-plating, after which the annealing treatment is effected, followed by the final coating. Such products may be used, inter alia, in the manufacture of car radiators.
    Type: Grant
    Filed: December 16, 1977
    Date of Patent: December 4, 1979
    Assignee: VALLOUREC Usines a Tubes de Lorraine-Escaut et Vallourec Reunies
    Inventors: Bernard A. M. Windal, Edmond Lobry