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NK RussNeft: Patents

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View up-to-date information on NK RussNeft patents, including inventor and filing insights.

Patent Trends

Publication Identifier Document Type Title Classification-CPC Publication Date
RU2179632C2 Grant TORQUE INDICATOR OF ROTOR OF DRILLING RIG G01L3/02 20 Feb 2002
RU2179633C2 Grant DEVICE TESTING TORQUE WHILE SCREWING TOGETHER PIPES WITH AID OF WRENCH ABOVE WELL-HEAD G01L3/02 20 Feb 2002
RU2179618C2 Grant HOLE REAMER E21B10/26 20 Feb 2002
RU2176346C2 Grant GATE VALVE F16K27/04 27 Nov 2001
RU2149253C1 Grant SHOCK ABSORBER OF DRILLING STRING 20 May 2000
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Top Inventors by Filings (Count by publication)

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