TREA

Friedel Amling

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  • Gelsenkirchen-Buer, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drive unit for machinery, especially mining machinery
    • Patent number 6,267,211
    • Issue date Jul 31, 2001
    • Bochumer Eisenhutte Heintzmann GmbH & Co. KG
    • Peter Heintzmann
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Continuously operating mining machine for simultaneous excavation a...
    • Patent number 5,895,097
    • Issue date Apr 20, 1999
    • Bochumer Eisenhutte Heintzmann GmbH & Co. KG
    • Peter Heintzmann
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Positioning cylinder, especially for subterranean mining
    • Patent number 5,144,275
    • Issue date Sep 1, 1992
    • Bochumer Eisenhutte Heintzmann GmbH & Co. KG
    • Lothar Sebastian
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulically operated unit for roof support
    • Patent number 4,640,650
    • Issue date Feb 3, 1987
    • Bochumer Eisenhutte Heintzmann GmbH & Co. KG
    • Manfred Koppers
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Shut-off valve
    • Patent number 4,610,424
    • Issue date Sep 9, 1986
    • Bochumer Eisenhuette Heintzmann GmbH & Co KG
    • Manfred Koppers
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic prop
    • Patent number 4,572,480
    • Issue date Feb 25, 1986
    • Rochumer Eisenhuette Heintzmann GmbH & Co. KG
    • Peter Heintzmann
    • E21 - EARTH DRILLING MINING