TREA

Herman Lai

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat exchanging device
    • Patent number 7,484,554
    • Issue date Feb 3, 2009
    • Herman Lai
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Solar roofing assembly
    • Patent number 5,881,713
    • Issue date Mar 16, 1999
    • Herman Lai
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Solar energy collecting system
    • Patent number 5,601,075
    • Issue date Feb 11, 1997
    • Herman Lai
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Valve for three-way tubings
    • Patent number 5,383,485
    • Issue date Jan 24, 1995
    • Herman Lai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Container for solar heater
    • Patent number 5,285,921
    • Issue date Feb 15, 1994
    • Herman Lai
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Solar collector
    • Patent number 5,275,150
    • Issue date Jan 4, 1994
    • Herman Lai
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Solar heater assembly
    • Patent number 5,251,610
    • Issue date Oct 12, 1993
    • Herman Lai
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    Heat exchanging device
    • Publication number 20060237170
    • Publication date Oct 26, 2006
    • Herman Lai
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Heat exchanging device having heat exchanging housing
    • Publication number 20030127213
    • Publication date Jul 10, 2003
    • Herman Lai
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...