TREA

Cooling or drying of air

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Industry

  • CPC
  • E21F3/00
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS

Current Industry

E21F3/00Cooling or drying of air
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for cooling a refuge chamber in an emergency situation
    • Patent number 10,161,248
    • Issue date Dec 25, 2018
    • Drager Safety AG & Co. KGaA
    • Christian Bode
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Mine area distributed combined cooling heating power energy system...
    • Patent number 9,605,512
    • Issue date Mar 28, 2017
    • CHINA UNIVERSITY OF MINING AND TECHNOLOGY
    • Baiquan Lin
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Toxic gas removal and air conditioning system for human life suppor...
    • Patent number 8,858,688
    • Issue date Oct 14, 2014
    • Venture Corporation Limited
    • James P. Barrett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for controlling longwall operations with incorporation of ai...
    • Patent number 8,380,345
    • Issue date Feb 19, 2013
    • RAG Aktiengesselschaft
    • Martin Junker
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid transfer system
    • Patent number 6,033,192
    • Issue date Mar 7, 2000
    • Nicro Industrial Close Corporation
    • Richard Roy Wood
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid pressure feeding apparatus
    • Patent number 5,261,794
    • Issue date Nov 16, 1993
    • Hitachi, Ltd.
    • Yukishige Kamino
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Process and apparatus for reducing the air cooling and water remova...
    • Patent number 5,251,458
    • Issue date Oct 12, 1993
    • Dimiter I. Tchernev
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Driving and supply unit for a cooler
    • Patent number 5,147,425
    • Issue date Sep 15, 1992
    • Sulzer Brothers Limited
    • Joseph Hueber
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Arrangement for the changeover of liquids when transported by means...
    • Patent number 5,078,544
    • Issue date Jan 7, 1992
    • Siemag Transplan GmbH
    • Johann Harzer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    High pressure heat exchanger for cooling high fouling liquids
    • Patent number 5,001,906
    • Issue date Mar 26, 1991
    • Chicago Bridge and Iron Technical Services Company
    • Gerald E. Engdahl
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Mine cooling power recovery system
    • Patent number 4,991,998
    • Issue date Feb 12, 1991
    • Hitachi, Ltd.
    • Yukishige Kamino
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Mine cooling
    • Patent number 4,805,415
    • Issue date Feb 21, 1989
    • General Mining Union Corporation Limited
    • Carl S. J. Van Rensburg
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method of and apparatus for the cooling of underground mine shafts...
    • Patent number 4,763,484
    • Issue date Aug 16, 1988
    • SMS Schloemann-Siemag Aktiengesellschaft
    • Kurt A. Osenberg
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Integrated mine cooling and water conditioning system
    • Patent number 4,750,333
    • Issue date Jun 14, 1988
    • Chicago Bridge & Iron Company
    • Matloob Husain
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Deep mine cooling system
    • Patent number 4,480,444
    • Issue date Nov 6, 1984
    • Alsthom-Atlantique
    • Jean Conan
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Water spray cooler
    • Patent number 4,394,142
    • Issue date Jul 19, 1983
    • The United States of America as represented by the Secretary of the Interior
    • Edward D. Thimons
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Method and apparatus for preventing ice formation at the entrance p...
    • Patent number 4,249,462
    • Issue date Feb 10, 1981
    • Louis A. Guzzi
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3859816
    • Patent number 3,859,816
    • Issue date Jan 14, 1975
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3320765
    • Patent number 3,320,765
    • Issue date May 23, 1967
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2767560
    • Patent number 2,767,560
    • Issue date Oct 23, 1956
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2573491
    • Patent number 2,573,491
    • Issue date Oct 30, 1951
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2479408
    • Patent number 2,479,408
    • Issue date Aug 16, 1949
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2409388
    • Patent number 2,409,388
    • Issue date Oct 15, 1946
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2386560
    • Patent number 2,386,560
    • Issue date Oct 9, 1945
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2323456
    • Patent number 2,323,456
    • Issue date Jul 6, 1943
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2109236
    • Patent number 2,109,236
    • Issue date Feb 22, 1938
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2097723
    • Patent number 2,097,723
    • Issue date Nov 2, 1937
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2077315
    • Patent number 2,077,315
    • Issue date Apr 13, 1937
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2069269
    • Patent number 2,069,269
    • Issue date Feb 2, 1937
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1878542
    • Patent number 1,878,542
    • Issue date Sep 20, 1932
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents