TREA

Hongsun Hua

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Framework composition windmill
    • Patent number 7,105,941
    • Issue date Sep 12, 2006
    • Hongsun Hua
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

  • Information Patent Application

    Framework composition windmill
    • Publication number 20050173928
    • Publication date Aug 11, 2005
    • Hongsun Hua
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Multifunctional thermal installation
    • Publication number 20040140082
    • Publication date Jul 22, 2004
    • Hongsun Hua
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Multifunctional thermal installation
    • Publication number 20020100576
    • Publication date Aug 1, 2002
    • Hongsun Hua
    • F24 - HEATING RANGES VENTILATING