Patents by Inventor Mikhail A. Maryanchik

Mikhail A. Maryanchik 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).

  • Spot arc welding apparatus
    Patent number: 4492848
    Abstract: An apparatus for spot arc welding overlapping pieces in which a pair of contact electrodes with concave portions are arranged opposite to each other, and at least one electrode has a central hole to accommodate a consumable electrode; the concave portions are shaped to correspond to the calculated shape of the reinforcements at both sides of the spot welded joint.
    Type: Grant
    Filed: March 30, 1983
    Date of Patent: January 8, 1985
    Assignee: Spetsialnoe Konstruktorsko-Tekhnologicheskoe Bjuro "Energostalproekt"
    Inventors: Genrikhn Strekalou, Anatoly S. Shtyrin, Viktor I. Matveen, Mikhail A. Maryanchik, Genrikh S. Garibov
  • Method of spot arc welding
    Patent number: 4396821
    Abstract: To spot weld overlapping work pieces contact electrodes are used with concave portions. The workpiece is preheated by the contact electrodes then spot arc welded by a consumable wire fed through one of the contact electrodes. The spot arc weldment takes the final shape of the concave portions.
    Type: Grant
    Filed: December 5, 1980
    Date of Patent: August 2, 1983
    Assignee: Spetsialnoe Proektnokonstruktorskoe I Tekhnologicheskoe Bjuro "Energostalproekt"
    Inventors: Genrikh N. Strekalov, Anatoly S. Shtyrin, Viktor I. Matveev, Mikhail A. Maryanchik, Genrikh S. Garibov, Valery G. Chumachenko, Fedor I. Sloevsky, deceased