TREA

the picks having a square- or rectangular-section shank

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Industry

  • CPC
  • E21C35/1936
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C35/00Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam

Current Industry

E21C35/1936the picks having a square- or rectangular-section shank
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Mineral bits and mounts
    • Patent number 11,970,944
    • Issue date Apr 30, 2024
    • CARRIERE INDUSTRIAL SUPPLY LIMITED
    • Oswald D. Zaayman
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Mineral bits and mounts
    • Patent number 10,900,356
    • Issue date Jan 26, 2021
    • CARRIERE INDUSTRIAL SUPPLY LIMITED
    • Oswald D. Zaayman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mineral winning pick, pick holder, and combination
    • Patent number 10,724,369
    • Issue date Jul 28, 2020
    • ESCO Group LLC
    • Roberto de Jesus Torres Delgado
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tooth retaining and locking system
    • Patent number 10,526,769
    • Issue date Jan 7, 2020
    • IHC Holland IE B.V.
    • Eugenius Petrus Elisabeth Marie Cleophas
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Tapered cutter bit and mounting block for the same
    • Patent number 10,465,513
    • Issue date Nov 5, 2019
    • Winchester E. Latham
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Mineral bits and mounts
    • Patent number 10,294,787
    • Issue date May 21, 2019
    • CARRIERE INDUSTRIAL SUPPLY LIMITED
    • Oswald D. Zaayman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tapered cutter bit and mounting block for the same
    • Patent number 9,890,635
    • Issue date Feb 13, 2018
    • Winchester E. Latham
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Wear resistant insert for diamond abrasive cutter
    • Patent number 9,382,794
    • Issue date Jul 5, 2016
    • Winchester E. Latham
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Cutting head tool for tunnel boring machine
    • Patent number 9,140,123
    • Issue date Sep 22, 2015
    • Caterpillar Inc.
    • Robert Meyer
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Radial tool with superhard cutting surface
    • Patent number 8,789,894
    • Issue date Jul 29, 2014
    • Diamond Innovations, Inc.
    • John W. Lucek
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Indexable cutting tool system
    • Patent number 8,534,766
    • Issue date Sep 17, 2013
    • Kennametal Inc.
    • Cary D. Ritchey
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Pick locking device including a clamp element and a retaining pin
    • Patent number 7,503,629
    • Issue date Mar 17, 2009
    • DBT GmbH
    • Adam Klabisch
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Flighting and tool holder
    • Patent number 7,338,134
    • Issue date Mar 4, 2008
    • Keystone Engineering & Manufacturing Corp.
    • Winchester E. Latham
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Bit holder for a ploughing bit and ploughing bit
    • Patent number 7,310,897
    • Issue date Dec 25, 2007
    • DBT GmbH
    • Uwe Tillessen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Angular cutting tool
    • Patent number 7,290,726
    • Issue date Nov 6, 2007
    • Keystone Engineering & Manufacturing Corp.
    • Winchester E. Latham
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Angular tool and holding block
    • Patent number 7,108,212
    • Issue date Sep 19, 2006
    • Keystone Engineering & Manufacturing Corporation
    • Winchester E. Latham
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Drill bit assembly for releasably retaining a drill bit cutter
    • Patent number 6,427,791
    • Issue date Aug 6, 2002
    • The United States of America as represented by the United States Department o...
    • David A. Glowka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pick system for mining ploughs, in particular coal ploughs
    • Patent number 6,186,597
    • Issue date Feb 13, 2001
    • DBT Deutsche Bergbau-Technik GmbH
    • Detlef Hahn
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mining tool including a chisel and a chisel holder
    • Patent number 4,998,778
    • Issue date Mar 12, 1991
    • Halbach & Braun Industrieanlagen
    • Gert Braun
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutting-tool mounting for rotary excavating head
    • Patent number 4,609,227
    • Issue date Sep 2, 1986
    • Ruhrkohle AG
    • Walter Wild
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mounting means for pick on mining drum vane
    • Patent number 4,268,089
    • Issue date May 19, 1981
    • Winster Mining Limited
    • Adam M. Spence
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutter bit assemblies for coal ploughs
    • Patent number 4,076,318
    • Issue date Feb 28, 1978
    • Gewerkschaft Eisenhutte Westfalia
    • Alois Hauschopp
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3598447
    • Patent number 3,598,447
    • Issue date Aug 10, 1971
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3544166
    • Patent number 3,544,166
    • Issue date Dec 1, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3246930
    • Patent number 3,246,930
    • Issue date Apr 19, 1966
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3101933
    • Patent number 3,101,933
    • Issue date Aug 27, 1963
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3093365
    • Patent number 3,093,365
    • Issue date Jun 11, 1963
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3030088
    • Patent number 3,030,088
    • Issue date Apr 17, 1962
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2950096
    • Patent number 2,950,096
    • Issue date Aug 23, 1960
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2941789
    • Patent number 2,941,789
    • Issue date Jun 21, 1960
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents