TREA

for impregnating or coating by applying liquids or semi-liquids

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  • CPC
  • B28B21/94
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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

B28B21/94for impregnating or coating by applying liquids or semi-liquids
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and apparatus for producing a sewer pipe element
    • Patent number 10,603,818
    • Issue date Mar 31, 2020
    • BFS BETONFERTIGTEILSYSTEME GMBH
    • Klaus Müller
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of making ceramic composite bearings
    • Patent number 10,478,996
    • Issue date Nov 19, 2019
    • Lancer Systems L.P.
    • Timothy J. Edwards
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Method and device for manufacturing a canal component
    • Patent number 10,195,763
    • Issue date Feb 5, 2019
    • BFS BETONFERTIGTEILESYSTEME GMBH
    • Klaus Müller
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method and an apparatus for the manufacture of concrete pipes
    • Patent number 8,066,931
    • Issue date Nov 29, 2011
    • Pedershaab Concrete Technologies A/S
    • Morten Nørgaard
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Device and method for the production of a multi-layer concrete pipe
    • Patent number 7,763,201
    • Issue date Jul 27, 2010
    • Schlosser-Pfeiffer GmbH
    • Gunther Schiller
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of lining resins on an inner surface of a tapered porcelain...
    • Patent number 5,234,713
    • Issue date Aug 10, 1993
    • NGK Insulators, Ltd.
    • Akihiro Watanabe
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of manufacturing an inner lined pipe
    • Patent number 5,176,869
    • Issue date Jan 5, 1993
    • Nippon Shokubai Co., Ltd.
    • Hiroshi Okamoto
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Prestressed concrete articles
    • Patent number 5,065,795
    • Issue date Nov 19, 1991
    • General Atomics
    • Richard L. Creedon
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method for the production of concrete pipes
    • Patent number 5,051,223
    • Issue date Sep 24, 1991
    • Gregor Kern
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of producing concrete composite pipe
    • Patent number 5,035,850
    • Issue date Jul 30, 1991
    • Teikoku Hume Pipe Co., Ltd.
    • Nobuyoshi Yoshikawa
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Centrifugally molded concrete composite pipe
    • Patent number 4,976,291
    • Issue date Dec 11, 1990
    • Teikoku Hume Pipe Co., Ltd.
    • Nobuyoshi Yoshikawa
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of making prestressed concrete articles
    • Patent number 4,936,006
    • Issue date Jun 26, 1990
    • General Atomics
    • Richard L. Creedon
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Process for the continuous production of pipe from particulate mate...
    • Patent number 4,685,873
    • Issue date Aug 11, 1987
    • Owens-Corning Fiberglas Corporation
    • G. Fred Willard
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method for manufacture of polymer-impregnated hollow concrete product
    • Patent number 4,314,957
    • Issue date Feb 9, 1982
    • Ozawa Concrete Industry Co., Ltd.
    • Seiichi Ozawa
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3773874
    • Patent number 3,773,874
    • Issue date Nov 20, 1973
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3691992
    • Patent number 3,691,992
    • Issue date Sep 19, 1972
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3403206
    • Patent number 3,403,206
    • Issue date Sep 24, 1968
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3340115
    • Patent number 3,340,115
    • Issue date Sep 5, 1967
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3297056
    • Patent number 3,297,056
    • Issue date Jan 10, 1967
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3288171
    • Patent number 3,288,171
    • Issue date Nov 29, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3279427
    • Patent number 3,279,427
    • Issue date Oct 18, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3253075
    • Patent number 3,253,075
    • Issue date May 24, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3232812
    • Patent number 3,232,812
    • Issue date Feb 1, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3219472
    • Patent number 3,219,472
    • Issue date Nov 23, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3217077
    • Patent number 3,217,077
    • Issue date Nov 9, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3206821
    • Patent number 3,206,821
    • Issue date Sep 21, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3080253
    • Patent number 3,080,253
    • Issue date Mar 5, 1963
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2816323
    • Patent number 2,816,323
    • Issue date Dec 17, 1957
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2770284
    • Patent number 2,770,284
    • Issue date Nov 13, 1956
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2709845
    • Patent number 2,709,845
    • Issue date Jun 7, 1955
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents