TREA

with rotatable cutters provided with breaking-down members

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Industry

  • CPC
  • E21C27/124
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Parent Industries

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

Current Industry

E21C27/124with rotatable cutters provided with breaking-down members
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

    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

    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

    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

    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
  • Information Patent Grant

    3074701
    • Patent number 3,074,701
    • Issue date Jan 22, 1963
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3062519
    • Patent number 3,062,519
    • Issue date Nov 6, 1962
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3045991
    • Patent number 3,045,991
    • Issue date Jul 24, 1962
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3044753
    • Patent number 3,044,753
    • Issue date Jul 17, 1962
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3041054
    • Patent number 3,041,054
    • Issue date Jun 26, 1962
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3026097
    • Patent number 3,026,097
    • Issue date Mar 20, 1962
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3025042
    • Patent number 3,025,042
    • Issue date Mar 13, 1962
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3014706
    • Patent number 3,014,706
    • Issue date Dec 26, 1961
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3013783
    • Patent number 3,013,783
    • Issue date Dec 19, 1961
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3001777
    • Patent number 3,001,777
    • Issue date Sep 26, 1961
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2995352
    • Patent number 2,995,352
    • Issue date Aug 8, 1961
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2991059
    • Patent number 2,991,059
    • Issue date Jul 4, 1961
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    HEADING MACHINE WITH CUSP CUTTER
    • Publication number 20210047926
    • Publication date Feb 18, 2021
    • Sandvik Mining and Construction G.m.b.H.
    • Ralf GRIEF
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SOIL TRIMMING TOOL AND METHODS OF USING SAME
    • Publication number 20130255112
    • Publication date Oct 3, 2013
    • Darin R. Kruse
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING