TREA

breaking-down effected by acting on the vertical face of the mineral

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Industry

  • CPC
  • E21C27/12
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Parent Industries

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

Current Industry

E21C27/12breaking-down effected by acting on the vertical face of the mineral
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Mining machine with articulating boom and independent material hand...
    • Patent number 11,391,149
    • Issue date Jul 19, 2022
    • Joy Global Underground Mining LLC
    • Nagy Daher
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Heading machine with cusp cutter
    • Patent number 11,299,987
    • Issue date Apr 12, 2022
    • Sandvik Mining and Construction G.m.b.H.
    • Ralf Grief
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutting apparatus
    • Patent number 11,047,235
    • Issue date Jun 29, 2021
    • Sandvik Intellectual Property AB
    • Luis Garcia
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic hammering device
    • Patent number 11,034,010
    • Issue date Jun 15, 2021
    • Furukawa Rock Drill Co., Ltd.
    • Tsutomu Kaneko
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Mining machine with articulating boom and independent material hand...
    • Patent number 10,876,400
    • Issue date Dec 29, 2020
    • Joy Global Underground Mining LLC
    • Nagy Daher
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutter assembly with cutter device and method of assembling
    • Patent number 10,260,340
    • Issue date Apr 16, 2019
    • Sandvik Intellectual Property
    • Bernhard Ebner
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Continuous mining machine having core cutting assembly
    • Patent number 9,476,298
    • Issue date Oct 25, 2016
    • Caterpillar Global Mining America LLC
    • Gregory Allen McCoy
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mining machine having an extendable and retractable rotor arm and m...
    • Patent number 6,431,654
    • Issue date Aug 13, 2002
    • Eimco LLC
    • Maurice K. LeBegue
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tunnel excavator with S-shaped soil plate
    • Patent number 6,305,754
    • Issue date Oct 23, 2001
    • Ishikawajima-Harima Heavy Industries Co., Ltd.
    • Toshiaki Uehara
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rotary mine boring head having movable links with cutter bits
    • Patent number 5,439,274
    • Issue date Aug 8, 1995
    • Prairie Machine & Parts Mfg. Ltd.
    • Edward Krueckl
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Excavation machine having combined impact hammers and static ripper...
    • Patent number 5,333,937
    • Issue date Aug 2, 1994
    • David J. Hopkins
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutting and chiseling assembly for mining machine and method perfor...
    • Patent number 4,360,235
    • Issue date Nov 23, 1982
    • Simala; John J.
    • Charles F. Mendola
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mining machine
    • Patent number 4,298,232
    • Issue date Nov 3, 1981
    • Simala; John J.
    • Charles F. Mendola
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Articulated support
    • Patent number 3,999,805
    • Issue date Dec 28, 1976
    • Lockwood Bennett Ltd.
    • Peter Lockwood
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3778113
    • Patent number 3,778,113
    • Issue date Dec 11, 1973
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3712679
    • Patent number 3,712,679
    • Issue date Jan 23, 1973
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3695724
    • Patent number 3,695,724
    • Issue date Oct 3, 1972
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3494668
    • Patent number 3,494,668
    • Issue date Feb 10, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3420577
    • Patent number 3,420,577
    • Issue date Jan 7, 1969
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3278237
    • Patent number 3,278,237
    • Issue date Oct 11, 1966
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3206252
    • Patent number 3,206,252
    • Issue date Sep 14, 1965
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3149882
    • Patent number 3,149,882
    • Issue date Sep 22, 1964
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3147959
    • Patent number 3,147,959
    • Issue date Sep 8, 1964
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3140120
    • Patent number 3,140,120
    • Issue date Jul 7, 1964
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3140121
    • Patent number 3,140,121
    • Issue date Jul 7, 1964
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3110482
    • Patent number 3,110,482
    • Issue date Nov 12, 1963
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3096082
    • Patent number 3,096,082
    • Issue date Jul 2, 1963
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3088719
    • Patent number 3,088,719
    • Issue date May 7, 1963
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3086761
    • Patent number 3,086,761
    • Issue date Apr 23, 1963
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3086762
    • Patent number 3,086,762
    • Issue date Apr 23, 1963
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents