TREA

Machine stationary while planing in an arc

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Industry

  • CPC
  • E21C27/38
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Parent Industries

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

Current Industry

E21C27/38Machine stationary while planing in an arc
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Metering hydraulic control system for mining machine
    • Patent number 11,028,862
    • Issue date Jun 8, 2021
    • Sandvik Intellectual Property AB
    • Reinhold Pogatschnigg
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Support structure for rotary sensor
    • Patent number 10,180,336
    • Issue date Jan 15, 2019
    • Joy Global Underground Mining LLC
    • Stephen Bremerkamp
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Continuous miner
    • Patent number 4,444,434
    • Issue date Apr 24, 1984
    • Resonant Technology Company
    • Raymond A. Gurries
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3700285
    • Patent number 3,700,285
    • Issue date Oct 24, 1972
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3617093
    • Patent number 3,617,093
    • Issue date Nov 2, 1971
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2565528
    • Patent number 2,565,528
    • Issue date Aug 28, 1951
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1693343
    • Patent number 1,693,343
    • Issue date Nov 27, 1928
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1686337
    • Patent number 1,686,337
    • Issue date Oct 2, 1928
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1683045
    • Patent number 1,683,045
    • Issue date Sep 4, 1928
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1675902
    • Patent number 1,675,902
    • Issue date Jul 3, 1928
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1664128
    • Patent number 1,664,128
    • Issue date Mar 27, 1928
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1637783
    • Patent number 1,637,783
    • Issue date Aug 2, 1927
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    A CUTTING HEAD ASSEMBLY
    • Publication number 20240309761
    • Publication date Sep 19, 2024
    • OPTIMA MINING SYSTEMS PTY LTD
    • Benjamin Charles Michael BROWN
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    METERING HYDRAULIC CONTROL SYSTEM FOR MINING MACHINE
    • Publication number 20210131066
    • Publication date May 6, 2021
    • Sandvik Intellectual Property AB
    • Reinhold POGATSCHNIGG
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SUPPORT STRUCTURE FOR ROTARY SENSOR
    • Publication number 20170205252
    • Publication date Jul 20, 2017
    • Joy MM Delaware, Inc.
    • Stephen Bremerkamp
    • G01 - MEASURING TESTING