in annularly-shaped containers

Patents Grantslast 30 patents

  • Information Patent Grant

    Wheelbarrow with mixing assembly

    • Patent number 6,749,328
    • Issue date Jun 15, 2004
    • Robert Killen
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method and apparatus for mixing concrete with controlled energy abs...

    • Patent number 6,126,307
    • Issue date Oct 3, 2000
    • Melvin L. Black
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Mixer having a segmented helical mixing blade

    • Patent number 5,823,667
    • Issue date Oct 20, 1998
    • Pacific Machinery & Engineering Co., Ltd.
    • Takeshi Fukushima
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Paddle mixer with mixing drum mounted on transportable frame having...

    • Patent number 5,419,633
    • Issue date May 30, 1995
    • Imer International S.p.A.
    • Patrizio Lorenzetti
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method for preparing concrete by use of multi-layer pan type mixer

    • Patent number 4,403,863
    • Issue date Sep 13, 1983
    • Pacific Metals, Co., Ltd.
    • Takeshi Fukushima
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Mixer, preferably for the mixing of concrete

    • Patent number 4,165,185
    • Issue date Aug 21, 1979
    • Bernhard V. Fejmert
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3536304

    • Patent number 3,536,304
    • Issue date Oct 27, 1970
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3456926

    • Patent number 3,456,926
    • Issue date Jul 22, 1969
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3237925

    • Patent number 3,237,925
    • Issue date Mar 1, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3228664

    • Patent number 3,228,664
    • Issue date Jan 11, 1966
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3168296

    • Patent number 3,168,296
    • Issue date Feb 2, 1965
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3160400

    • Patent number 3,160,400
    • Issue date Dec 8, 1964
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3069145

    • Patent number 3,069,145
    • Issue date Dec 18, 1962
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3066919

    • Patent number 3,066,919
    • Issue date Dec 4, 1962
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3061283

    • Patent number 3,061,283
    • Issue date Oct 30, 1962
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2901228

    • Patent number 2,901,228
    • Issue date Aug 25, 1959
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2809816

    • Patent number 2,809,816
    • Issue date Oct 15, 1957
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2261207

    • Patent number 2,261,207
    • Issue date Nov 4, 1941
    • B28 - WORKING CEMENT, CLAY, OR STONE