TREA

one or more mould elements

Follow

Industry

  • CPC
  • B28B21/16
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

B28B21/16one or more mould elements
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Devices and processes for making concrete articles
    • Patent number 11,511,460
    • Issue date Nov 29, 2022
    • William M. Del Zotto
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Devices and processes for making concrete articles
    • Patent number 10,703,013
    • Issue date Jul 7, 2020
    • William M. Del Zotto
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Devices and processes for making concrete articles
    • Patent number 10,493,656
    • Issue date Dec 3, 2019
    • William M. Del Zotto
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method for manufacturing of ceramic electro-insulating pipes
    • Patent number 9,321,188
    • Issue date Apr 26, 2016
    • INDUSTRY TECHNOLOGIES S.A
    • Artur Slawinski
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Vibration system for concrete pipe making machines
    • Patent number 8,926,311
    • Issue date Jan 6, 2015
    • Hawkeye Concrete Products Co.
    • Jon A. Schmidgall
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Vibration system for concrete pipe making machines
    • Patent number 7,083,406
    • Issue date Aug 1, 2006
    • Hawkeye Concrete Products Co.
    • David Stoller
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Vibratory concrete pipe forming apparatus and method
    • Patent number 4,756,861
    • Issue date Jul 12, 1988
    • Ronald C. Schultz
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Molding device for shaping concrete parts
    • Patent number 4,737,094
    • Issue date Apr 12, 1988
    • Georg Prinzing GmbH & Co. KG Betonformen- Und Maschinenfabrik
    • Richard Kraiss
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Concrete pipe making machine
    • Patent number 4,708,621
    • Issue date Nov 24, 1987
    • Hawkeye Concrete Products Co.
    • Hartzell H. Schmidgall
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Apparatus for producing concrete pipes
    • Patent number 4,451,222
    • Issue date May 29, 1984
    • Kunizo Hiraoka
    • 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

    Process and device for production of concrete pipe by filling and c...
    • Patent number 4,342,713
    • Issue date Aug 3, 1982
    • AB Skanska Cementgjunteriet
    • Owe C. G. Larkfeldt
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Machine for making concrete pipes in upright position
    • Patent number 4,067,679
    • Issue date Jan 10, 1978
    • Pedershaab Maskinfabrik A/S
    • Jens Peter Nielsen
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Apparatus for making concrete pipe
    • Patent number 4,042,315
    • Issue date Aug 16, 1977
    • Atlantic Pipe Corporation
    • Norman Ottmann
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method and apparatus for making concrete pipe
    • Patent number 4,041,118
    • Issue date Aug 9, 1977
    • Atlantic Pipe Corporation
    • Norman Ottmann
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of making concrete pipe
    • Patent number 4,039,642
    • Issue date Aug 2, 1977
    • Harry Steiro
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3752626
    • Patent number 3,752,626
    • Issue date Aug 14, 1973
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3711587
    • Patent number 3,711,587
    • Issue date Jan 16, 1973
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3655842
    • Patent number 3,655,842
    • Issue date Apr 11, 1972
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3611516
    • Patent number 3,611,516
    • Issue date Oct 12, 1971
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3550225
    • Patent number 3,550,225
    • Issue date Dec 29, 1970
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3463426
    • Patent number 3,463,426
    • Issue date Aug 26, 1969
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3323188
    • Patent number 3,323,188
    • Issue date Jun 6, 1967
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3276093
    • Patent number 3,276,093
    • Issue date Oct 4, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3177554
    • Patent number 3,177,554
    • Issue date Apr 13, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3123883
    • Patent number 3,123,883
    • Issue date Mar 10, 1964
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3119165
    • Patent number 3,119,165
    • Issue date Jan 28, 1964
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3110074
    • Patent number 3,110,074
    • Issue date Nov 12, 1963
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3047929
    • Patent number 3,047,929
    • Issue date Aug 7, 1962
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2994119
    • Patent number 2,994,119
    • Issue date Aug 1, 1961
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents