TREA

Slitting machines guided solely by hand and either carried by hand or mounted on supports

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Industry

  • CPC
  • E21C25/64
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C25/00Cutting machines

Current Industry

E21C25/64Slitting machines guided solely by hand and either carried by hand or mounted on supports
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    High power laser tunneling mining and construction equipment and me...
    • Patent number 11,590,606
    • Issue date Feb 28, 2023
    • Foro Energy, Inc.
    • Brian O. Faircloth
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    High power laser tunneling mining and construction equipment and me...
    • Patent number 10,195,687
    • Issue date Feb 5, 2019
    • Foro Energy, Inc.
    • Mark S. Land
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3675972
    • Patent number 3,675,972
    • Issue date Jul 11, 1972
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2817418
    • Patent number 2,817,418
    • Issue date Dec 24, 1957
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2200419
    • Patent number 2,200,419
    • Issue date May 14, 1940
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2193387
    • Patent number 2,193,387
    • Issue date Mar 12, 1940
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2187700
    • Patent number 2,187,700
    • Issue date Jan 16, 1940
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2127066
    • Patent number 2,127,066
    • Issue date Aug 16, 1938
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2008768
    • Patent number 2,008,768
    • Issue date Jul 23, 1935
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1924347
    • Patent number 1,924,347
    • Issue date Aug 29, 1933
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1808307
    • Patent number 1,808,307
    • Issue date Jun 2, 1931
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1374525
    • Patent number 1,374,525
    • Issue date Apr 12, 1921
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    1346966
    • Patent number 1,346,966
    • Issue date Jul 20, 1920
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents