TREA

directly by a piston of an internal-combustion engine

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Industry

  • CPC
  • E21C3/18
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C3/00Drilling machines with reciprocating tool that is intermittently turned when out of contact with the working face

Current Industry

E21C3/18directly by a piston of an internal-combustion engine
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Hammer device
    • Patent number 3,973,633
    • Issue date Aug 10, 1976
    • Atlas Copco Aktiebolag
    • Kurt Osten Brannstrom
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3924691
    • Patent number 3,924,691
    • Issue date Dec 9, 1975
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3570608
    • Patent number 3,570,608
    • Issue date Mar 16, 1971
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3472128
    • Patent number 3,472,128
    • Issue date Oct 14, 1969
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3336986
    • Patent number 3,336,986
    • Issue date Aug 22, 1967
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3323601
    • Patent number 3,323,601
    • Issue date Jun 6, 1967
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3189104
    • Patent number 3,189,104
    • Issue date Jun 15, 1965
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    3056390
    • Patent number 3,056,390
    • Issue date Oct 2, 1962
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3012549
    • Patent number 3,012,549
    • Issue date Dec 12, 1961
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    2926637
    • Patent number 2,926,637
    • Issue date Mar 1, 1960
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2764138
    • Patent number 2,764,138
    • Issue date Sep 25, 1956
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2685867
    • Patent number 2,685,867
    • Issue date Aug 10, 1954
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    2684055
    • Patent number 2,684,055
    • Issue date Jul 20, 1954
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2627849
    • Patent number 2,627,849
    • Issue date Feb 10, 1953
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    2575859
    • Patent number 2,575,859
    • Issue date Nov 20, 1951
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2545999
    • Patent number 2,545,999
    • Issue date Mar 20, 1951
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    2480879
    • Patent number 2,480,879
    • Issue date Sep 6, 1949
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2327619
    • Patent number 2,327,619
    • Issue date Aug 24, 1943
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2125013
    • Patent number 2,125,013
    • Issue date Jul 26, 1938
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1981764
    • Patent number 1,981,764
    • Issue date Nov 20, 1934
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1951169
    • Patent number 1,951,169
    • Issue date Mar 13, 1934
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1932259
    • Patent number 1,932,259
    • Issue date Oct 24, 1933
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1869875
    • Patent number 1,869,875
    • Issue date Aug 2, 1932
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1834729
    • Patent number 1,834,729
    • Issue date Dec 1, 1931
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1666981
    • Patent number 1,666,981
    • Issue date Apr 24, 1928
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1656567
    • Patent number 1,656,567
    • Issue date Jan 17, 1928
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1654833
    • Patent number 1,654,833
    • Issue date Jan 3, 1928
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1653373
    • Patent number 1,653,373
    • Issue date Dec 20, 1927
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1598476
    • Patent number 1,598,476
    • Issue date Aug 31, 1926
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1573790
    • Patent number 1,573,790
    • Issue date Feb 16, 1926
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents