TREA

circumferential laterally tensioned

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Industry

  • CPC
  • B28B21/62
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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

B28B21/62circumferential laterally tensioned
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Pre-stressed concrete pipe
    • Patent number 11,555,562
    • Issue date Jan 17, 2023
    • Ming C. Kuo
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Pre-stress corrosion-resistant tubular pile used in special coastal...
    • Patent number 9,435,095
    • Issue date Sep 6, 2016
    • JIANGSU DONGPU PILE. CO., LTD.
    • Chenghua Yan
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Pre-stressed concrete pipe
    • Patent number 8,544,505
    • Issue date Oct 1, 2013
    • Ming C. Kuo
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of reinforcing a cylindrical pipeline and prefabricated plat...
    • Patent number 7,347,227
    • Issue date Mar 25, 2008
    • Freyssinet International (STUP)
    • Ivica Zivanovic
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Application of inwardly directed prestressing pressure to concrete...
    • Patent number 4,771,530
    • Issue date Sep 20, 1988
    • General Atomics
    • Richard L. Creedon
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Reinforced conventional concrete pipe having an evenly distributed...
    • Patent number 4,702,282
    • Issue date Oct 27, 1987
    • Vianini Industria S.p.A.
    • Sergio Marchesi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of manufacturing reinforced concrete pipe having an evenly d...
    • Patent number 4,633,568
    • Issue date Jan 6, 1987
    • Vianini Industria S.p.A.
    • Sergio Marchesi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Non-stressed, high strength, cement-containing pipe and its production
    • Patent number 4,077,577
    • Issue date Mar 7, 1978
    • Cement Asbestos Products Company
    • James Wright
    • 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

    Stressed hollow concrete cylinders
    • Patent number 4,044,088
    • Issue date Aug 23, 1977
    • Graeme Reginald Hume
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Concrete pipes
    • Patent number 3,950,465
    • Issue date Apr 13, 1976
    • Amey Roadstone Corporation Limited
    • Robert M. Farahar
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Concrete pipes
    • Patent number 3,945,782
    • Issue date Mar 23, 1976
    • Amey Roadstone Corporation Limited
    • Robert M. Farahar
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3928104
    • Patent number 3,928,104
    • Issue date Dec 23, 1975
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3912181
    • Patent number 3,912,181
    • Issue date Oct 14, 1975
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3758940
    • Patent number 3,758,940
    • Issue date Sep 18, 1973
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3258033
    • Patent number 3,258,033
    • Issue date Jun 28, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3206851
    • Patent number 3,206,851
    • Issue date Sep 21, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3183011
    • Patent number 3,183,011
    • Issue date May 11, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3180000
    • Patent number 3,180,000
    • Issue date Apr 27, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3164874
    • Patent number 3,164,874
    • Issue date Jan 12, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3162709
    • Patent number 3,162,709
    • Issue date Dec 22, 1964
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3150428
    • Patent number 3,150,428
    • Issue date Sep 29, 1964
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3078561
    • Patent number 3,078,561
    • Issue date Feb 26, 1963
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3056183
    • Patent number 3,056,183
    • Issue date Oct 2, 1962
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3005469
    • Patent number 3,005,469
    • Issue date Oct 24, 1961
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2887130
    • Patent number 2,887,130
    • Issue date May 19, 1959
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2808851
    • Patent number 2,808,851
    • Issue date Oct 8, 1957
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2805683
    • Patent number 2,805,683
    • Issue date Sep 10, 1957
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2730783
    • Patent number 2,730,783
    • Issue date Jan 17, 1956
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2585446
    • Patent number 2,585,446
    • Issue date Feb 12, 1952
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents