with stirrers having planetary motion

Patents Grantslast 30 patents

  • Information Patent Grant

    Site heavy metal contaminated soil treatment equipment and treatmen...

    • Patent number 11,358,189
    • Issue date Jun 14, 2022
    • GUANGDONG INSTITUTE OF ECO-ENVIRONMENTAL SCIENCE & TECHNOLOGY
    • Chengshuai Liu
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
  • Information Patent Grant

    2717147

    • Patent number 2,717,147
    • Issue date Sep 6, 1955
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2281329

    • Patent number 2,281,329
    • Issue date Apr 28, 1942
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2244765

    • Patent number 2,244,765
    • Issue date Jun 10, 1941
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    2237957

    • Patent number 2,237,957
    • Issue date Apr 8, 1941
    • B28 - WORKING CEMENT, CLAY, OR STONE