TREA

Konstantin B. Skachkov

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  • Novosibirsk, SU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Device for making holes in soil
    • Patent number 4,785,898
    • Issue date Nov 22, 1988
    • Institut Gornogo Dela So An SSSR
    • Alexandr D. Kostylev
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Reversible percussive action machine
    • Patent number 4,697,647
    • Issue date Oct 6, 1987
    • Institut Gornogo Dela Sibirskogo Otdelenia Akademii Nauk SSSR
    • Alexandr D. Kostylev
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Reversible, percussive device for ground perforation
    • Patent number 4,171,727
    • Issue date Oct 23, 1979
    • Institut Gornogo Dela Sibirskogo Otdelenia Akademii Nauk S S S R
    • Khaim B. Tkach
    • E21 - EARTH DRILLING MINING