TREA

with means for both slitting and breaking-down

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Industry

  • CPC
  • E21C27/16
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C27/00Machines which completely free the mineral from the seam

Current Industry

E21C27/16with means for both slitting and breaking-down
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for removing material from a rock wall
    • Patent number 11,725,512
    • Issue date Aug 15, 2023
    • Joy Global Underground Mining LLC
    • Russell P. Smith
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutting device with tapered cutting element
    • Patent number 11,499,426
    • Issue date Nov 15, 2022
    • Joy Global Underground Mining LLC
    • Joaquim Antonio Soares de Sousa
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Cutter head for mining machine
    • Patent number 11,371,346
    • Issue date Jun 28, 2022
    • Joy Global Underground Mining LLC
    • Russell P. Smith
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutter head for mining machine
    • Patent number 11,339,657
    • Issue date May 24, 2022
    • Joy Global Underground Mining LLC
    • Russell P. Smith
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutting head having segmented cutting disc
    • Patent number 10,989,050
    • Issue date Apr 27, 2021
    • Joy Global Underground Mining LLC
    • Joaquim Antonio Soares de Sousa
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Cutting device with tapered cutting element
    • Patent number 10,808,531
    • Issue date Oct 20, 2020
    • Joy Global Underground Mining LLC
    • Joaquim Antonio Soares de Sousa
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutting head having segmented cutting disc
    • Patent number 10,626,723
    • Issue date Apr 21, 2020
    • Joy Global Underground Mining LLC
    • Joaquim Antonio Soares de Sousa
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutting head having segmented cutting disc
    • Patent number 10,590,766
    • Issue date Mar 17, 2020
    • Joy Global Underground Mining LLC
    • Joaquim Antonio Soares de Sousa
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Cutter head for mining machine
    • Patent number 10,472,961
    • Issue date Nov 12, 2019
    • Joy Global Underground Mining LLC
    • Russell P. Smith
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutting device with wear elements
    • Patent number 10,287,881
    • Issue date May 14, 2019
    • Joy Global Underground Mining LLC
    • Joaquim Antonio Soares de Sousa
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Cutter head for mining machine
    • Patent number 9,470,087
    • Issue date Oct 18, 2016
    • Joy MM Delaware, Inc.
    • Russell P. Smith
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Core eliminator for mining, road working or earth moving machinery
    • Patent number 4,391,472
    • Issue date Jul 5, 1983
    • The Cincinnati Mine Machinery Company
    • Claude B. Krekeler
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Mineral winning machines
    • Patent number 4,273,383
    • Issue date Jun 16, 1981
    • Gewerkschaft Eisenhutte Westfalia
    • Hans-Theodor Grisebach
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3495876
    • Patent number 3,495,876
    • Issue date Feb 17, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2754102
    • Patent number 2,754,102
    • Issue date Jul 10, 1956
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2710179
    • Patent number 2,710,179
    • Issue date Jun 7, 1955
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2689117
    • Patent number 2,689,117
    • Issue date Sep 14, 1954
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2689118
    • Patent number 2,689,118
    • Issue date Sep 14, 1954
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2670190
    • Patent number 2,670,190
    • Issue date Feb 23, 1954
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2653806
    • Patent number 2,653,806
    • Issue date Sep 29, 1953
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2619339
    • Patent number 2,619,339
    • Issue date Nov 25, 1952
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2619338
    • Patent number 2,619,338
    • Issue date Nov 25, 1952
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2291633
    • Patent number 2,291,633
    • Issue date Aug 4, 1942
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2283212
    • Patent number 2,283,212
    • Issue date May 19, 1942
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2269781
    • Patent number 2,269,781
    • Issue date Jan 13, 1942
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2261161
    • Patent number 2,261,161
    • Issue date Nov 4, 1941
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2261162
    • Patent number 2,261,162
    • Issue date Nov 4, 1941
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2261160
    • Patent number 2,261,160
    • Issue date Nov 4, 1941
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2211751
    • Patent number 2,211,751
    • Issue date Aug 20, 1940
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2105505
    • Patent number 2,105,505
    • Issue date Jan 18, 1938
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    CUTTER HEAD FOR MINING MACHINE
    • Publication number 20200072050
    • Publication date Mar 5, 2020
    • Joy Global Underground Mining LLC
    • Russell P. Smith
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CUTTING DEVICE WITH WEAR ELEMENTS
    • Publication number 20170342829
    • Publication date Nov 30, 2017
    • Joy MM Delaware, Inc.
    • Joaquim Antonio Soares de Sousa
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    CUTTING HEAD HAVING SEGMENTED CUTTING DISC
    • Publication number 20170342830
    • Publication date Nov 30, 2017
    • Joy MM Delaware, Inc.
    • Joaquim Antonio Soares de Sousa
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Application

    CUTTER HEAD FOR MINING MACHINE
    • Publication number 20140077578
    • Publication date Mar 20, 2014
    • Joy MM Delaware, Inc.
    • Russell P. Smith
    • E21 - EARTH DRILLING MINING