Patents by Inventor Vladimir N. Kuptsynov

Vladimir N. Kuptsynov 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 making brass-plated long-size articles
    Patent number: 4502895
    Abstract: An apparatus for making a brass-plated long-size article by a process for making a brass-plated long-size article comprises a bath 3 with molten inorganic salts, wherein the surface of a blank 1 is degreased and etched. Then the surface of the blank 1, after deposition of a layer of copper, is coated with a layer of zinc in a unit 8 for electrolytical coating of the surface of the blank 1 with a layer of zinc and thermodiffusive treatment and tempering of the blank 1 are effected in a bath 11 with molten salts.
    Type: Grant
    Filed: March 23, 1982
    Date of Patent: March 5, 1985
    Assignee: Vsesojuzny Nauchno-Issledovatelsky Institut Metiznoi Promyshlennosti
    Inventors: Alexandr V. Trubitsyn, Georgy M. Fomin, Ivan N. Nedovizy, Pavel E. Petrov, Petr I. Denisov, Sergei A. Tulupov, Stepan T. Chursin, Vladimir N. Kuptsynov, Adolf K. Merkulov, Lev G. Stobbe