for making plates, panels or similar sheet- or disc-shaped objects

Patents Grantslast 30 patents

  • Information Patent Grant

    Articulable erosion control mattress, manufacturing system, mattres...

    • Patent number 11,731,313
    • Issue date Aug 22, 2023
    • John M. Scales
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Insulated concrete slip form and method of accelerating concrete cu...

    • Patent number 10,487,520
    • Issue date Nov 26, 2019
    • Romeo Ilarian Ciuperca
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Apparatus for manufacturing precast concrete articles

    • Patent number 5,143,344
    • Issue date Sep 1, 1992
    • Johnson Brothers Precision Precast Products, Inc.
    • David L. Johnson
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method of manufacturing precast concrete articles

    • Patent number 5,096,648
    • Issue date Mar 17, 1992
    • Johnson Brothers Precision Precast Products, Inc.
    • David L. Johnson
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3739050

    • Patent number 3,739,050
    • Issue date Jun 12, 1973
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3186679

    • Patent number 3,186,679
    • Issue date Jun 1, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3015144

    • Patent number 3,015,144
    • Issue date Jan 2, 1962
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2591414

    • Patent number 2,591,414
    • Issue date Apr 1, 1952
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2204195

    • Patent number 2,204,195
    • Issue date Jun 11, 1940
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    1437135

    • Patent number 1,437,135
    • Issue date Nov 28, 1922
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents