combined with vibration means

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for making precast concrete meter pit

    • Patent number 8,282,869
    • Issue date Oct 9, 2012
    • Precast Concepts, LLC
    • Edward J. Anderson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • 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

    Counter-rotating compaction head for manufacturing concrete pipes

    • Patent number 5,456,590
    • Issue date Oct 10, 1995
    • Ed. Zublin Aktiengesellschaft
    • Wolfgang Volmari
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Machine for vertical casting of pipes of concrete or a similar mate...

    • Patent number 5,449,283
    • Issue date Sep 12, 1995
    • Pedershaab A/S
    • Bent Herrmann
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Vibrators

    • Patent number 5,433,523
    • Issue date Jul 18, 1995
    • International Pipe Machinery Corp.
    • Thomas D. Grau
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Combination counter rotating packerhead and vibrator assembly and m...

    • Patent number 5,364,578
    • Issue date Nov 15, 1994
    • International Pipe Machinery Corp.
    • Thomas D. Grau
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Machine for making concrete pipes

    • Patent number 5,248,248
    • Issue date Sep 28, 1993
    • Tarek A. Adly
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Machine for making concrete pipes

    • Patent number 5,167,967
    • Issue date Dec 1, 1992
    • International Pipe Machinery Corporation
    • Tarek A. Adly
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Machine for making concrete pipes

    • Patent number 5,147,196
    • Issue date Sep 15, 1992
    • International Pipe Machinery Corporation
    • Tarek A. Adly
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Concrete pipe making machine

    • Patent number 4,957,424
    • Issue date Sep 18, 1990
    • Hydrotile Machinery Company
    • William J. Mitchell
    • 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

    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

    3922133

    • Patent number 3,922,133
    • Issue date Nov 25, 1975
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3829268

    • Patent number 3,829,268
    • Issue date Aug 13, 1974
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3701617

    • Patent number 3,701,617
    • Issue date Oct 31, 1972
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3642413

    • Patent number 3,642,413
    • Issue date Feb 15, 1972
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3396441

    • Patent number 3,396,441
    • Issue date Aug 13, 1968
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3141222

    • Patent number 3,141,222
    • Issue date Jul 21, 1964
    • 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
  • Information Patent Grant

    2870513

    • Patent number 2,870,513
    • Issue date Jan 27, 1959
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1782446

    • Patent number 1,782,446
    • Issue date Nov 25, 1930
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents