TREA

Ruhrkohle Aktiengesellschaft

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  • Essen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Underground energy-supply train
    • Patent number 5,810,134
    • Issue date Sep 22, 1998
    • Ruhrkohle AG
    • Manfred Strack
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Jigging screen device with pneumatic valve control
    • Patent number 5,740,920
    • Issue date Apr 21, 1998
    • Ruhrkohle Aktiengesellschaft
    • Helmut Timmermann
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Commercial-size, automatic industrial plant having several parts
    • Patent number 5,598,149
    • Issue date Jan 28, 1997
    • Siemens Aktiengesellschaft
    • Klaus-Dieter Schreiter
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Telemetry method for cable-drilled boreholes and method for carryin...
    • Patent number 5,560,437
    • Issue date Oct 1, 1996
    • Bergwerksverband GmbH
    • Udo Dickel
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Coke-feeding device with housing for a dry cooling installation for...
    • Patent number 5,421,963
    • Issue date Jun 6, 1995
    • Ruhrkohle Aktiengesellschaft
    • Wilhelm Stewen
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Door
    • Patent number 5,279,713
    • Issue date Jan 18, 1994
    • Ruhrkohle Aktiengesellschaft
    • Klaus Wessiepe
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Roof structure
    • Patent number 5,155,966
    • Issue date Oct 20, 1992
    • Ruhrkohle AG
    • Dieter Breidenbach
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Door
    • Patent number 5,150,543
    • Issue date Sep 29, 1992
    • Ruhrkohle AG
    • Klaus Wessiepe
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    System for operating a portable lamp
    • Patent number 5,107,180
    • Issue date Apr 21, 1992
    • Ruhrkohle Aktiengesellschaft
    • Siegfried Ormanns
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of processing substances
    • Patent number 5,100,536
    • Issue date Mar 31, 1992
    • Ruhrkohle AG
    • Ulrich Bonisch
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Door
    • Patent number 5,076,019
    • Issue date Dec 31, 1991
    • Ruhrkohle AG
    • Klaus Wessiepe
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Process for the hydrogenation reprocessing of used oils
    • Patent number 5,045,179
    • Issue date Sep 3, 1991
    • Ruhrkohle AG
    • Josef Langhoff
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Dry cooling of coke
    • Patent number 5,039,379
    • Issue date Aug 13, 1991
    • Ruhrkohle AG
    • Gerd Nashan
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Process for the hydrogenation of organochlorine compounds, neutrali...
    • Patent number 5,015,457
    • Issue date May 14, 1991
    • Ruhrkohle AG
    • Josef Langhoff
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Grant

    Apparatus for detecting the cutting horizon for mining machines
    • Patent number 4,992,657
    • Issue date Feb 12, 1991
    • Ruhrkohle Aktiengesellschaft
    • Gunter Reisner
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Door
    • Patent number 4,986,032
    • Issue date Jan 22, 1991
    • Ruhrkohle AG
    • Klaus Wessiepe
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Locking device for an oven door
    • Patent number 4,952,284
    • Issue date Aug 28, 1990
    • Ruhrkohle AG
    • Wolfgang Becker
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Roof structure
    • Patent number 4,929,179
    • Issue date May 29, 1990
    • Ruhrkohle AG
    • Dieter Breidenbach
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Oven door
    • Patent number 4,927,501
    • Issue date May 22, 1990
    • Ruhrkohle AG
    • Wolfgang Becker
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Coke oven doors for horizontal-chamber coke ovens
    • Patent number 4,741,809
    • Issue date May 3, 1988
    • Ruhrkohle Aktiengesellschaft
    • Wolfgang Becker
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Procedure for hydrogenation of coal by means of liquid phase and fi...
    • Patent number 4,741,822
    • Issue date May 3, 1988
    • Ruhrkohle Aktiengesellschaft
    • Eckard Wolowski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Coke oven doors for horizontal-chamber coke ovens
    • Patent number 4,740,271
    • Issue date Apr 26, 1988
    • Ruhrkohle Aktiengesellschaft
    • Wolfgang Becker
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fluidized bed having modified surfaces in the heat extractor
    • Patent number 4,715,809
    • Issue date Dec 29, 1987
    • Ruhrkohle AG
    • Josef Langhoff
    • F22 - STEAM GENERATION
  • Information Patent Grant

    Method and apparatus for multiphase coal hydrogenation reactors wit...
    • Patent number 4,696,735
    • Issue date Sep 29, 1987
    • Ruhrkohle Aktiengesellschaft
    • Eckard Wolowski
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Coke oven doors for horizontal chamber coke ovens
    • Patent number 4,683,032
    • Issue date Jul 28, 1987
    • Ruhrkohle Aktiengesellschaft
    • Wolfgang Becker
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Process for producing a diesel fuel from medium heavy oil obtained...
    • Patent number 4,675,102
    • Issue date Jun 23, 1987
    • Ruhrkohle Aktiengesellschaft
    • Eckard Wolowski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Cyclone cleaner for a fixed bed reactor
    • Patent number 4,674,418
    • Issue date Jun 23, 1987
    • Ruhrkohle Aktiengesellschaft
    • Wolfgang Schafer
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Gas generator installation
    • Patent number 4,670,023
    • Issue date Jun 2, 1987
    • Ruhrkohle Aktiengesellschaft
    • Wolfgang Schafer
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Integrated gas-phase hydrogenation process using heat recovered fro...
    • Patent number 4,636,300
    • Issue date Jan 13, 1987
    • Ruhrkohle Aktiengesellschaft
    • Eckard Wolowski
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Cutting-tool mounting for rotary excavating head
    • Patent number 4,609,227
    • Issue date Sep 2, 1986
    • Ruhrkohle AG
    • Walter Wild
    • E21 - EARTH DRILLING MINING

Trademarklast 30 trademarks

  • Information Trademark

    73051599 - RAG
    • Serial number 73051599
    • Registration number 1038608
    • Filing date May 7, 1975
    • RUHRKOHLE AG
    • 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry