TREA

for making holes in easily splittable working materials

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Industry

  • CPC
  • B28D1/325
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B28Stoneworking B28DWORKING STONE OR STONE-LIKE MATERIALS B28D1/00Working stone or stone-like materials

Current Industry

B28D1/325for making holes in easily splittable working materials
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2779325
    • Patent number 2,779,325
    • Issue date Jan 29, 1957
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2703613
    • Patent number 2,703,613
    • Issue date Mar 8, 1955
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2575630
    • Patent number 2,575,630
    • Issue date Nov 20, 1951
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2527091
    • Patent number 2,527,091
    • Issue date Oct 24, 1950
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2483796
    • Patent number 2,483,796
    • Issue date Oct 4, 1949
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2260972
    • Patent number 2,260,972
    • Issue date Oct 28, 1941
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2164688
    • Patent number 2,164,688
    • Issue date Jul 4, 1939
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2130235
    • Patent number 2,130,235
    • Issue date Sep 13, 1938
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2111156
    • Patent number 2,111,156
    • Issue date Mar 15, 1938
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2077474
    • Patent number 2,077,474
    • Issue date Apr 20, 1937
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1987455
    • Patent number 1,987,455
    • Issue date Jan 8, 1935
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1981695
    • Patent number 1,981,695
    • Issue date Nov 20, 1934
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1972789
    • Patent number 1,972,789
    • Issue date Sep 4, 1934
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1932571
    • Patent number 1,932,571
    • Issue date Oct 31, 1933
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1906599
    • Patent number 1,906,599
    • Issue date May 2, 1933
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents