Screens, nets, grades, grids

Industry

  • CPC
  • B01F2003/04375
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Patents Grantslast 30 patents

  • Information Patent Grant

    Micro bubble generating device

    • Patent number 11,021,857
    • Issue date Jun 1, 2021
    • Ching-Yuan Juan
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Air drilling solids control system and method

    • Patent number 10,773,188
    • Issue date Sep 15, 2020
    • DEL Corporation
    • Robert M. Kulbeth
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Multi-disc air diffuser

    • Patent number 8,833,743
    • Issue date Sep 16, 2014
    • ANT21 Co., Ltd
    • Myung-Han Ko
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Water aerator apparatus

    • Patent number 6,712,341
    • Issue date Mar 30, 2004
    • Teri H. Mathis
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    3417974

    • Patent number 3,417,974
    • Issue date Dec 24, 1968
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    MICRO BUBBLE GENERATING DEVICE

    • Publication number 20190330829
    • Publication date Oct 31, 2019
    • CHING-YUAN JUAN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MULTI-DISC AIR DIFFUSER

    • Publication number 20110304063
    • Publication date Dec 15, 2011
    • ANT21 CO., LTD.
    • Myung-Han Ko
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL