TREA

with bricks

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Industry

  • CPC
  • E21D11/06
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21DSHAFTS TUNNELS GALLERIES LARGE UNDERGROUND CHAMBERS E21D11/00Lining tunnels, galleries or other underground cavities

Current Industry

E21D11/06with bricks
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic composition for grout
    • Patent number 11,884,592
    • Issue date Jan 30, 2024
    • Chryso
    • Vanessa Kocaba
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Adjustable brick support ring
    • Patent number 5,101,608
    • Issue date Apr 7, 1992
    • Edward F. Ewers
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Refractory brick ring tightening device
    • Patent number 4,584,812
    • Issue date Apr 29, 1986
    • John Miskolczi
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    3788087
    • Patent number 3,788,087
    • Issue date Jan 29, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2385251
    • Patent number 2,385,251
    • Issue date Sep 18, 1945
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2019629
    • Patent number 2,019,629
    • Issue date Nov 5, 1935
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Hydraulic composition for grout
    • Publication number 20190375684
    • Publication date Dec 12, 2019
    • CHRYSO
    • Vanessa KOCABA
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    WATERPROOFING SYSTEM FOR EXPOSED ROCK SURFACES
    • Publication number 20160097278
    • Publication date Apr 7, 2016
    • John Huh
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING