with breaking-down members functioning on the slitting level

Industry

  • CPC
  • E21C27/128
This industry / category may be too specific. Please go to a parent level for more data

Patents Grantslast 30 patents

  • 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

    3712679

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

    3494668

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

    2764396

    • Patent number 2,764,396
    • Issue date Sep 25, 1956
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2684235

    • Patent number 2,684,235
    • Issue date Jul 20, 1954
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2630308

    • Patent number 2,630,308
    • Issue date Mar 3, 1953
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2608400

    • Patent number 2,608,400
    • Issue date Aug 26, 1952
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2425108

    • Patent number 2,425,108
    • Issue date Aug 5, 1947
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2399074

    • Patent number 2,399,074
    • Issue date Apr 23, 1946
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2281503

    • Patent number 2,281,503
    • Issue date Apr 28, 1942
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2253941

    • Patent number 2,253,941
    • Issue date Aug 26, 1941
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2182127

    • Patent number 2,182,127
    • Issue date Dec 5, 1939
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2176885

    • Patent number 2,176,885
    • Issue date Oct 24, 1939
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2148495

    • Patent number 2,148,495
    • Issue date Feb 28, 1939
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2093476

    • Patent number 2,093,476
    • Issue date Sep 21, 1937
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2089944

    • Patent number 2,089,944
    • Issue date Aug 17, 1937
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1824727

    • Patent number 1,824,727
    • Issue date Sep 22, 1931
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1809283

    • Patent number 1,809,283
    • Issue date Jun 9, 1931
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1809307

    • Patent number 1,809,307
    • Issue date Jun 9, 1931
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1809282

    • Patent number 1,809,282
    • Issue date Jun 9, 1931
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1808858

    • Patent number 1,808,858
    • Issue date Jun 9, 1931
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1808649

    • Patent number 1,808,649
    • Issue date Jun 2, 1931
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1784156

    • Patent number 1,784,156
    • Issue date Dec 9, 1930
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1783443

    • Patent number 1,783,443
    • Issue date Dec 2, 1930
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1778295

    • Patent number 1,778,295
    • Issue date Oct 14, 1930
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1755331

    • Patent number 1,755,331
    • Issue date Apr 22, 1930
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1741714

    • Patent number 1,741,714
    • Issue date Dec 31, 1929
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1726891

    • Patent number 1,726,891
    • Issue date Sep 3, 1929
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1682296

    • Patent number 1,682,296
    • Issue date Aug 28, 1928
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents