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Kwei-Tang Chang

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  • Panchiao City, Taipei Hsien, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fan device
    • Patent number 6,183,200
    • Issue date Feb 6, 2001
    • Kwei-Tang Chang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Structure of a hot water bottle
    • Patent number 6,172,340
    • Issue date Jan 9, 2001
    • Kwei-Tang Chang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Multi-functional fan
    • Patent number D428985
    • Issue date Aug 1, 2000
    • Kwei-Tang Chang
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Comb mirror for improving health of a human body
    • Patent number 6,007,206
    • Issue date Dec 28, 1999
    • Kwei-Tang Chang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dual-function filter type pot cover
    • Patent number 5,873,298
    • Issue date Feb 23, 1999
    • Kwei-Tang Chang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Coffee maker
    • Patent number 5,782,163
    • Issue date Jul 21, 1998
    • Kwei-Tang Chang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Coffee maker
    • Patent number D395191
    • Issue date Jun 16, 1998
    • Kwei-Tang Chang
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Control circuit for controlling the operation of a multipurpose ele...
    • Patent number 5,589,092
    • Issue date Dec 31, 1996
    • Kwei-Tang Chang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Structure of percolator
    • Patent number 5,570,624
    • Issue date Nov 5, 1996
    • Kwei-Tang Chang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Electric barbecue grill
    • Patent number 5,477,028
    • Issue date Dec 19, 1995
    • Kwei T. Chang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Compact coffee maker
    • Patent number 5,473,974
    • Issue date Dec 12, 1995
    • Kwei T. Chang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Cyclone cooker
    • Patent number D364308
    • Issue date Nov 21, 1995
    • Kwei T. Chang
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Coffee maker
    • Patent number D364307
    • Issue date Nov 21, 1995
    • Kwei T. Chang
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Expansible cyclone stove
    • Patent number D360335
    • Issue date Jul 18, 1995
    • Kwei T. Chang
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Multipurpose cooker
    • Patent number 5,429,039
    • Issue date Jul 4, 1995
    • Kwei T. Chang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Pressing iron soleplate coated with an infrared heater
    • Patent number 5,392,542
    • Issue date Feb 28, 1995
    • Kwei T. Chang
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Expansible cyclone stove
    • Patent number 5,329,919
    • Issue date Jul 19, 1994
    • Kwei T. Chang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Stove carrier
    • Patent number 5,301,909
    • Issue date Apr 12, 1994
    • Kwei T. Chang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Multipurpose cooker
    • Patent number D339957
    • Issue date Oct 5, 1993
    • Kwei-Tang Chang
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Transparent housing for an electric heat convection stove
    • Patent number 5,245,159
    • Issue date Sep 14, 1993
    • Kwei T. Chang
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Multi-cooker cover
    • Patent number D335424
    • Issue date May 11, 1993
    • Kwei T. Chang
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Convection oven
    • Patent number D334864
    • Issue date Apr 20, 1993
    • Kwei T. Chang
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Handle for kitchen utensils
    • Patent number 5,170,695
    • Issue date Dec 15, 1992
    • Kwei-Tang Chang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Electric heat-convection stove with transparent housing
    • Patent number 5,160,829
    • Issue date Nov 3, 1992
    • Kwei T. Chang
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Structure of pan cover
    • Patent number 5,145,089
    • Issue date Sep 8, 1992
    • Kwei T. Chang
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Convection oven
    • Patent number D329163
    • Issue date Sep 8, 1992
    • Kwei T. Chang
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Built-up type electric heat-convection stove
    • Patent number 5,047,610
    • Issue date Sep 10, 1991
    • Kwei T. Chang
    • F24 - HEATING RANGES VENTILATING