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  • E21C25/36
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C25/00Cutting machines

Current Industry

E21C25/36Couplings for links
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Mining pin retention system
    • Patent number 11,846,187
    • Issue date Dec 19, 2023
    • ITR America, LLC
    • Clayton A. Crystal
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Mining pin retention system
    • Patent number 10,982,540
    • Issue date Apr 20, 2021
    • ITR America, LLC
    • Clayton A. Crystal
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3888133
    • Patent number 3,888,133
    • Issue date Jun 10, 1975
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3605514
    • Patent number 3,605,514
    • Issue date Sep 20, 1971
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3512356
    • Patent number 3,512,356
    • Issue date May 19, 1970
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3086404
    • Patent number 3,086,404
    • Issue date Apr 23, 1963
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2872826
    • Patent number 2,872,826
    • Issue date Feb 10, 1959
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2865621
    • Patent number 2,865,621
    • Issue date Dec 23, 1958
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2826085
    • Patent number 2,826,085
    • Issue date Mar 11, 1958
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2807452
    • Patent number 2,807,452
    • Issue date Sep 24, 1957
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2802368
    • Patent number 2,802,368
    • Issue date Aug 13, 1957
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2802369
    • Patent number 2,802,369
    • Issue date Aug 13, 1957
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2788670
    • Patent number 2,788,670
    • Issue date Apr 16, 1957
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2780109
    • Patent number 2,780,109
    • Issue date Feb 5, 1957
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2778236
    • Patent number 2,778,236
    • Issue date Jan 22, 1957
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2773394
    • Patent number 2,773,394
    • Issue date Dec 11, 1956
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2749763
    • Patent number 2,749,763
    • Issue date Jun 12, 1956
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2741139
    • Patent number 2,741,139
    • Issue date Apr 10, 1956
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2733905
    • Patent number 2,733,905
    • Issue date Feb 7, 1956
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2733906
    • Patent number 2,733,906
    • Issue date Feb 7, 1956
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2675219
    • Patent number 2,675,219
    • Issue date Apr 13, 1954
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2623398
    • Patent number 2,623,398
    • Issue date Dec 30, 1952
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2623399
    • Patent number 2,623,399
    • Issue date Dec 30, 1952
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2612056
    • Patent number 2,612,056
    • Issue date Sep 30, 1952
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2566675
    • Patent number 2,566,675
    • Issue date Sep 4, 1951
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2558213
    • Patent number 2,558,213
    • Issue date Jun 26, 1951
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2541157
    • Patent number 2,541,157
    • Issue date Feb 13, 1951
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2476852
    • Patent number 2,476,852
    • Issue date Jul 19, 1949
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2469524
    • Patent number 2,469,524
    • Issue date May 10, 1949
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2458935
    • Patent number 2,458,935
    • Issue date Jan 11, 1949
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Chain Connector
    • Publication number 20200141473
    • Publication date May 7, 2020
    • Acteuro Limited
    • Peter Howard
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MINING PIN RETENTION SYSTEM
    • Publication number 20190063217
    • Publication date Feb 28, 2019
    • ITR AMERICA, LLC
    • Clayton A. Crystal
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...