TREA

The Steel Engineering Company Limited

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Organization

  • Roodepoort, ZA
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic percussive machines
    • Patent number 4,852,663
    • Issue date Aug 1, 1989
    • The Steel Engineering Company Limited
    • Clive W. Hunt
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulically powered rotary percussive machines
    • Patent number 4,846,288
    • Issue date Jul 11, 1989
    • The Steel Engineering Company Limited
    • Clive W. Hunt
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Drilling boom
    • Patent number 4,799,556
    • Issue date Jan 24, 1989
    • The Steel Engineering Co., Ltd.
    • Bruce A. Foster
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic rotary-percussive machines
    • Patent number 4,430,926
    • Issue date Feb 14, 1984
    • The Steel Engineering Company Limited
    • Trevor E. Wallace
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic percussive machines
    • Patent number 4,203,350
    • Issue date May 20, 1980
    • The Steel Engineering Company Limited
    • Trevor E. Wallace
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic percussive machines
    • Patent number 4,179,983
    • Issue date Dec 25, 1979
    • The Steel Engineering Company Limited
    • Trevor E. Wallace
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hydraulic percussive machines
    • Patent number 4,126,192
    • Issue date Nov 21, 1978
    • The Steel Engineering Company Limited
    • Trevor E. Wallace
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Mounting for rock drills
    • Patent number 4,000,873
    • Issue date Jan 4, 1977
    • The Steel Engineering Company Limited
    • Trevor Evelyn Wallace
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

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