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Vladimir E. Ermakov

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  • Moscow, SU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe bending machine
    • Patent number 4,412,438
    • Issue date Nov 1, 1983
    • Gosudarstvenny Nauchnoissledovatelsky, Proektny I Konstruktorsky Institut Spl...
    • Vladimir M. Tjushevsky
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of pilger rolling of tubes
    • Patent number 4,203,309
    • Issue date May 20, 1980
    • Vladimir E. Ermakov
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...