TREA

Methods or apparatus for treating or reshaping

Follow

Industry

  • CPC
  • B28B21/92
This industry / category may be too specific. Please go to a parent level for more data

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

B28B21/92Methods or apparatus for treating or reshaping
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe joint, pipe and method of joining pipe sections
    • Patent number 11,940,068
    • Issue date Mar 26, 2024
    • Construction Research & Technology GmbH
    • Frank Apicella
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method for manufacturing ceramic honeycomb structure
    • Patent number 9,321,189
    • Issue date Apr 26, 2016
    • Ibiden Co., Ltd.
    • Kazunori Yamayose
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method for producing concrete prefinished parts
    • Patent number 8,597,564
    • Issue date Dec 3, 2013
    • Norbert Holscher
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Circular edging tool for concrete
    • Patent number 6,415,472
    • Issue date Jul 9, 2002
    • James T. Williams
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of forming radiant fiber burner
    • Patent number 5,447,666
    • Issue date Sep 5, 1995
    • Canadian Gas Research Institute
    • Robert D. LaFontaine
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Slip-cast ceramic component and a process for its production
    • Patent number 5,185,113
    • Issue date Feb 9, 1993
    • Bayer Aktiengesellschaft
    • Johannes Seyer
    • 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

    Process for producing one end-sealed ceramic double wall-structural...
    • Patent number 5,043,116
    • Issue date Aug 27, 1991
    • NGK Insulators, Ltd.
    • Shinji Oshima
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    One end-sealed ceramic double wall-structural tubes
    • Patent number 4,965,107
    • Issue date Oct 23, 1990
    • NGK Insulators, Ltd.
    • Shinji Oshima
    • 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

    Sealing of end faces of ceramic tubes
    • Patent number 4,923,655
    • Issue date May 8, 1990
    • NGK Insulators, Ltd.
    • Shinji Oshima
    • 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 producing a thin-walled ceramic tube
    • Patent number 4,579,707
    • Issue date Apr 1, 1986
    • NGK Insulators, Ltd.
    • Kazuo Kobayashi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Process and apparatus for the production of articles consisting of...
    • Patent number 4,496,501
    • Issue date Jan 29, 1985
    • Wienerberger Baustoffindustrie Aktiengesellschaft
    • Walter Linke
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Concrete pipe making machine with redensification apparatus
    • Patent number 4,400,149
    • Issue date Aug 23, 1983
    • Toffolon; Roger L.
    • Roger L. Toffolon
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3852018
    • Patent number 3,852,018
    • Issue date Dec 3, 1974
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3822988
    • Patent number 3,822,988
    • Issue date Jul 9, 1974
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3737510
    • Patent number 3,737,510
    • Issue date Jun 5, 1973
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3540329
    • Patent number 3,540,329
    • Issue date Nov 17, 1970
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3503788
    • Patent number 3,503,788
    • Issue date Mar 31, 1970
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3392428
    • Patent number 3,392,428
    • Issue date Jul 16, 1968
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3382309
    • Patent number 3,382,309
    • Issue date May 7, 1968
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3309446
    • Patent number 3,309,446
    • Issue date Mar 14, 1967
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3303732
    • Patent number 3,303,732
    • Issue date Feb 14, 1967
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3288004
    • Patent number 3,288,004
    • Issue date Nov 29, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3259533
    • Patent number 3,259,533
    • Issue date Jul 5, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3242548
    • Patent number 3,242,548
    • Issue date Mar 29, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3229345
    • Patent number 3,229,345
    • Issue date Jan 18, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3223571
    • Patent number 3,223,571
    • Issue date Dec 14, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3202190
    • Patent number 3,202,190
    • Issue date Aug 24, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents