TREA

Byeongchul Na

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  • State College, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Expansion valve with piezo material
    • Patent number 7,992,395
    • Issue date Aug 9, 2011
    • Hussmann Corporation
    • Ming Zhang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    Expansion valve with piezo material
    • Publication number 20070163297
    • Publication date Jul 19, 2007
    • Ming Zhang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...