using compacting means

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing concrete pipes

    • Patent number 11,724,417
    • Issue date Aug 15, 2023
    • Ulrich Schlüsselbauer
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Production system for automatic casting of hollow bodies, in partic...

    • Patent number 5,648,108
    • Issue date Jul 15, 1997
    • Pedershaab A/S
    • Johannes Hvidegaard
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Apparatus for manufacturing annular or tubular workpieces from conc...

    • Patent number 5,533,885
    • Issue date Jul 9, 1996
    • Johann Schlusselbauer
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Automated pipe making machine

    • Patent number 5,234,331
    • Issue date Aug 10, 1993
    • Hawkeye Concrete Products Co.
    • Ronald D. Schmidgall
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Plant for the continuous and automated manufacturing of agglomerate...

    • Patent number 4,714,420
    • Issue date Dec 22, 1987
    • PTP Patentierte Technologische Prozesse AG
    • Milorad S. Milisavljevic
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method and means for creating perforated concrete casing

    • Patent number 4,039,608
    • Issue date Aug 2, 1977
    • Gottlieb W. Grosch
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Means for creating perforated concrete casing

    • Patent number 3,957,409
    • Issue date May 18, 1976
    • Gottlieb W. Grosch
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3696182

    • Patent number 3,696,182
    • Issue date Oct 3, 1972
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3677687

    • Patent number 3,677,687
    • Issue date Jul 18, 1972
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3574817

    • Patent number 3,574,817
    • Issue date Apr 13, 1971
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3500514

    • Patent number 3,500,514
    • Issue date Mar 17, 1970
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3461516

    • Patent number 3,461,516
    • Issue date Aug 19, 1969
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3458908

    • Patent number 3,458,908
    • Issue date Aug 5, 1969
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3453706

    • Patent number 3,453,706
    • Issue date Jul 8, 1969
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3419649

    • Patent number 3,419,649
    • Issue date Dec 31, 1968
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3353214

    • Patent number 3,353,214
    • Issue date Nov 21, 1967
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3293717

    • Patent number 3,293,717
    • Issue date Dec 27, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3279021

    • Patent number 3,279,021
    • Issue date Oct 18, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3201843

    • Patent number 3,201,843
    • Issue date Aug 24, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3078539

    • Patent number 3,078,539
    • Issue date Feb 26, 1963
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2966716

    • Patent number 2,966,716
    • Issue date Jan 3, 1961
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2823439

    • Patent number 2,823,439
    • Issue date Feb 18, 1958
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2682695

    • Patent number 2,682,695
    • Issue date Jul 6, 1954
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2296018

    • Patent number 2,296,018
    • Issue date Sep 15, 1942
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1834119

    • Patent number 1,834,119
    • Issue date Dec 1, 1931
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1523226

    • Patent number 1,523,226
    • Issue date Jan 13, 1925
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    98519

    • Patent number 98,519
    • Issue date Jan 4, 1870
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents