TREA

by building-up from preformed elements

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Industry

  • CPC
  • B28B21/70
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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

B28B21/70by building-up from preformed elements
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Vibration-resistant reinforced concrete watertight pipe and method...
    • Patent number 8,622,093
    • Issue date Jan 7, 2014
    • Sun-Am R&D Co., Ltd.
    • Jung Suk Lee
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method and apparatus for producing molded tubular objects from poly...
    • Patent number 6,340,442
    • Issue date Jan 22, 2002
    • iloma Automatisierungstechnik GmbH
    • Manfred Brokmann
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2637346
    • Patent number 2,637,346
    • Issue date May 5, 1953
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1974337
    • Patent number 1,974,337
    • Issue date Sep 18, 1934
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1601029
    • Patent number 1,601,029
    • Issue date Sep 28, 1926
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1351895
    • Patent number 1,351,895
    • Issue date Sep 7, 1920
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents