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Mao Nan Cheng

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dust collector
    • Patent number D815375
    • Issue date Apr 10, 2018
    • San Ford Machinery Co., Ltd.
    • Mao-Nan Cheng
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Explosion-proof decompression plate
    • Patent number 8,418,412
    • Issue date Apr 16, 2013
    • San Ford Machinery Co., Ltd.
    • Mao-Nan Cheng
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Oil mist separator
    • Patent number 7,931,718
    • Issue date Apr 26, 2011
    • San Ford Machinery Co., Ltd.
    • Mao-Nan Cheng
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Dust collector
    • Patent number D630391
    • Issue date Jan 4, 2011
    • San Ford Machinery Co., Ltd.
    • Mao-Nan Cheng
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Dust collector
    • Patent number D629575
    • Issue date Dec 21, 2010
    • San Ford Machinery Co., Ltd.
    • Mao-Nan Cheng
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Airtight blade valve device for exhausting dust
    • Patent number 6,779,691
    • Issue date Aug 24, 2004
    • San Ford Machinery Co., Ltd.
    • Mao Nan Cheng
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Emery polishing machine
    • Patent number 6,743,084
    • Issue date Jun 1, 2004
    • San Ford Machinery Co., Ltd.
    • Mao Nan Cheng
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Dust collector
    • Patent number 6,507,974
    • Issue date Jan 21, 2003
    • San Ford Machinery Co., Ltd.
    • Mao-Nan Cheng
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    DETACHABLE AIR FILTER MACHINE
    • Publication number 20120131892
    • Publication date May 31, 2012
    • SAN FORD MACHINERY CO., LTD.
    • Mao-Nan Cheng
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    EXPLOSION-PROOF DECOMPRESSION PLATE
    • Publication number 20100236153
    • Publication date Sep 23, 2010
    • Mao-Nan CHENG
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Application

    AUTOMATIC DUST DEBRIS CLEARING APPARATUS FOR A FILTER DRUM IN A DUS...
    • Publication number 20090229230
    • Publication date Sep 17, 2009
    • SAN FORD MACHINERY CO., LTD.
    • Mao-Nan Cheng
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Airtight blade valve device for exhausting dust
    • Publication number 20040065857
    • Publication date Apr 8, 2004
    • SAN FORD MACHINERY CO., LTD.
    • Mao Nan Cheng
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL