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  • CPC
  • B28B7/166
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B28Stoneworking B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL B28B7/00Moulds Cores Mandrels

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B28B7/166for oblong articles
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composite pallets for molding concrete pipe
    • Patent number 9,139,333
    • Issue date Sep 22, 2015
    • Hawkeye Concrete Products Co.
    • Claudio Subacchi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Apparatus and process for molding of hollow articles
    • Patent number 4,149,695
    • Issue date Apr 17, 1979
    • International Paper Company
    • James R. Quick
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Process for molding of hollow articles
    • Patent number 4,041,122
    • Issue date Aug 9, 1977
    • International Paper Company
    • James R. Quick
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Hollow reinforced concrete fence post and method and apparatus for...
    • Patent number 3,933,969
    • Issue date Jan 20, 1976
    • Frank R. Robinson
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3922135
    • Patent number 3,922,135
    • Issue date Nov 25, 1975
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3879914
    • Patent number 3,879,914
    • Issue date Apr 29, 1975
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3767153
    • Patent number 3,767,153
    • Issue date Oct 23, 1973
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2942321
    • Patent number 2,942,321
    • Issue date Jun 28, 1960
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2425270
    • Patent number 2,425,270
    • Issue date Aug 5, 1947
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents