TREA

Feeding the material into the moulds

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  • CPC
  • B28B21/32
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B28Stoneworking B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL B28B21/00Methods or machines specially adapted for the production of tubular articles

Current Industry

B28B21/32Feeding the material into the moulds
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal molding method for composite pipe having a resin concre...
    • Patent number 5,098,628
    • Issue date Mar 24, 1992
    • Nippon Shokubai Co., Ltd.
    • Hiroshi Okamoto
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Concrete pipes
    • Patent number 4,049,022
    • Issue date Sep 20, 1977
    • ARC Concrete Limited
    • Robert M. Farahar
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3358342
    • Patent number 3,358,342
    • Issue date Dec 19, 1967
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3301278
    • Patent number 3,301,278
    • Issue date Jan 31, 1967
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3239906
    • Patent number 3,239,906
    • Issue date Mar 15, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2932874
    • Patent number 2,932,874
    • Issue date Apr 19, 1960
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2840880
    • Patent number 2,840,880
    • Issue date Jul 1, 1958
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2776450
    • Patent number 2,776,450
    • Issue date Jan 8, 1957
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2497160
    • Patent number 2,497,160
    • Issue date Feb 14, 1950
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2429012
    • Patent number 2,429,012
    • Issue date Oct 14, 1947
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2243218
    • Patent number 2,243,218
    • Issue date May 27, 1941
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2166175
    • Patent number 2,166,175
    • Issue date Jul 18, 1939
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2006594
    • Patent number 2,006,594
    • Issue date Jul 2, 1935
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1881323
    • Patent number 1,881,323
    • Issue date Oct 4, 1932
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1802762
    • Patent number 1,802,762
    • Issue date Apr 28, 1931
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1778389
    • Patent number 1,778,389
    • Issue date Oct 14, 1930
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1752626
    • Patent number 1,752,626
    • Issue date Apr 1, 1930
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1752627
    • Patent number 1,752,627
    • Issue date Apr 1, 1930
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1582586
    • Patent number 1,582,586
    • Issue date Apr 27, 1926
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1457185
    • Patent number 1,457,185
    • Issue date May 29, 1923
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1403683
    • Patent number 1,403,683
    • Issue date Jan 17, 1922
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1390134
    • Patent number 1,390,134
    • Issue date Sep 6, 1921
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    852095
    • Patent number 852,095
    • Issue date Apr 30, 1907
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    743513
    • Patent number 743,513
    • Issue date Nov 10, 1903
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    647431
    • Patent number 647,431
    • Issue date Apr 10, 1900
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents