TREA

Lingyu Dong

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  • Sanqishi Town, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Direct expansion evaporator
    • Patent number 8,534,086
    • Issue date Sep 17, 2013
    • Lingyu Dong
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Direct expansion evaporator
    • Patent number 8,272,231
    • Issue date Sep 25, 2012
    • Lingyu Dong
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

Patents Applicationslast 30 patents

  • Information Patent Application

    Direct expansion evaporator
    • Publication number 20120227435
    • Publication date Sep 13, 2012
    • Lingyu Dong
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Application

    Direct expansion evaporator
    • Publication number 20110023519
    • Publication date Feb 3, 2011
    • Lingyu Dong
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES