TREA

Welcome Co., Ltd.

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Organization

  • Hsi Chih City, TW
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Portable air extracting device
    • Patent number 10,683,115
    • Issue date Jun 16, 2020
    • WELCOME CO., LTD.
    • Richard Chang
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Battery-type vacuum-pumping device
    • Patent number D860277
    • Issue date Sep 17, 2019
    • WELCOME CO., LTD.
    • Richard Chang
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Double-end sealer
    • Patent number D845370
    • Issue date Apr 9, 2019
    • WELCOME CO., LTD.
    • Richard Chang
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Sealer
    • Patent number D823913
    • Issue date Jul 24, 2018
    • WELCOME CO., LTD.
    • Ammy Chou
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Sealing and vacuum-pumping device
    • Patent number D823914
    • Issue date Jul 24, 2018
    • WELCOME CO., LTD.
    • Richard Chang
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Storage electric sealer
    • Patent number 9,937,661
    • Issue date Apr 10, 2018
    • WELCOME CO., LTD.
    • Richard Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Sealer
    • Patent number D812662
    • Issue date Mar 13, 2018
    • WELCOME CO., LTD.
    • Richard Chang
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Rechargeable sealer with storage function
    • Patent number 9,809,340
    • Issue date Nov 7, 2017
    • WELCOME CO., LTD.
    • Richard Chang
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Hand-held electric sealer having a detachable electric sealing module
    • Patent number 7,700,897
    • Issue date Apr 20, 2010
    • Welcome Co., Ltd.
    • Ammy Chou
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hand-held staple gun having a safety device
    • Patent number 7,464,845
    • Issue date Dec 16, 2008
    • Welcome Co., Ltd.
    • Ammy Chou
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electric heat sealer with safety device
    • Patent number 7,315,010
    • Issue date Jan 1, 2008
    • Welcome Co., Ltd.
    • Shu Hui Chou
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hand-held electric heat sealer
    • Patent number 7,291,810
    • Issue date Nov 6, 2007
    • Welcome Co., Ltd.
    • Richard Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hand-held electric heat sealer
    • Patent number 7,034,252
    • Issue date Apr 25, 2006
    • Welcome Co., Ltd.
    • Richard Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Table-top electric heat sealer
    • Patent number 6,998,577
    • Issue date Feb 14, 2006
    • Welcome Co., Ltd.
    • Shu Hui Chou
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Electric heat sealer
    • Patent number 6,919,537
    • Issue date Jul 19, 2005
    • Welcome Co., Ltd.
    • Richard Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Table-top electric heat sealer
    • Patent number 6,770,849
    • Issue date Aug 3, 2004
    • Welcome Co., Ltd.
    • Shu-Hui Chou
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hand-held electric heat sealer
    • Patent number 6,630,647
    • Issue date Oct 7, 2003
    • Welcome Co., Ltd.
    • Richard Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Safety electric sealer having a safety gate
    • Patent number 6,573,477
    • Issue date Jun 3, 2003
    • Welcome Company Ltd.
    • Richard Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Electric heat sealer with offset sealer portion
    • Patent number 6,335,515
    • Issue date Jan 1, 2002
    • Welcome Company, Ltd.
    • Shu Hui Chou
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hand-held electric sealer with safety means
    • Patent number 6,326,594
    • Issue date Dec 4, 2001
    • Welcome Company, Ltd.
    • Richard Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Electric heat sealer with safety device
    • Patent number 6,232,579
    • Issue date May 15, 2001
    • Welcome Co., Ltd.
    • Shu Hui Chou
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Hand-held electric sealer with detachable heat resistant cover sheet
    • Patent number 6,064,038
    • Issue date May 16, 2000
    • Welcome Company, Ltd.
    • Ammy Chou
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Electric heat pen with sandwiched heater element
    • Patent number 6,040,559
    • Issue date Mar 21, 2000
    • Welcome Company, Ltd.
    • Ammy Chou
    • B44 - DECORATIVE ARTS
  • Information Patent Grant

    Safety cutting device
    • Patent number 6,032,371
    • Issue date Mar 7, 2000
    • Welcome Company Ltd.
    • Shu Hui Chou
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Hand-held pivoting electric heat sealing apparatus
    • Patent number 5,854,466
    • Issue date Dec 29, 1998
    • Welcome Company, Ltd.
    • Ammy Chou
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Electronic sealer
    • Patent number D365737
    • Issue date Jan 2, 1996
    • Welcome Company, Ltd.
    • Shu H. Chou
    • D08 - Tools and hardware

Patents Applicationslast 30 patents

  • Information Patent Application

    PORTABLE AIR EXTRACTING DEVICE
    • Publication number 20190127098
    • Publication date May 2, 2019
    • Welcome Co., Ltd.
    • Richard CHANG
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    ELECTRICAL VACUUM-PUMPING DEVICE
    • Publication number 20170297753
    • Publication date Oct 19, 2017
    • Welcome Co., Ltd.
    • Richard CHANG
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    STORAGE ELECTRIC SEALER
    • Publication number 20160229115
    • Publication date Aug 11, 2016
    • Welcome Co., Ltd.
    • Richard CHANG
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Hand-held electric sealer having a detachable electric sealing module
    • Publication number 20060231211
    • Publication date Oct 19, 2006
    • Welcome Co., Ltd.
    • Ammy Chou
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Table-top electric heat sealer
    • Publication number 20060113292
    • Publication date Jun 1, 2006
    • Welcome Co., Ltd.
    • Shu-Hui Chou
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Electric heat sealer with safety device
    • Publication number 20050284858
    • Publication date Dec 29, 2005
    • Welcome Company, Ltd.
    • Shu Hui Chou
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Electric heat sealer
    • Publication number 20040144766
    • Publication date Jul 29, 2004
    • Welcome Co., Ltd.
    • Richard Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Electric heat sealer with safety device
    • Publication number 20030019861
    • Publication date Jan 30, 2003
    • Welcome Co., Ltd.
    • Shu Hui Chou
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Hand-held electric heat sealer
    • Publication number 20020185484
    • Publication date Dec 12, 2002
    • Welcome Co., Ltd.
    • Richard Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Table-top electric heat sealer
    • Publication number 20020070206
    • Publication date Jun 13, 2002
    • Welcome Company Ltd.
    • Shu-Hui Chou
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Handy electric sealer with safety means
    • Publication number 20010000608
    • Publication date May 3, 2001
    • Welcome Co., Ltd.
    • Richard Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Trademarklast 30 trademarks

  • Information Trademark

    87717147 - DR. SAVE
    • Serial number 87717147
    • Registration number 5891925
    • Filing date Dec 12, 2017
    • Welcome Co., Ltd.
    • 7 - Machines and machine tools
  • Information Trademark

    85043586 - SUPER SEALER
    • Serial number 85043586
    • Filing date May 20, 2010
    • WELCOME CO., LTD
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    77969287 - MODCON
    • Serial number 77969287
    • Registration number 3963226
    • Filing date Mar 26, 2010
    • WELCOME CO., LTD
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    77969298 - MODCON
    • Serial number 77969298
    • Registration number 3963227
    • Filing date Mar 26, 2010
    • WELCOME CO., LTD
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    77917099 - UNISEAL
    • Serial number 77917099
    • Registration number 3837625
    • Filing date Jan 21, 2010
    • WELCOME CO., LTD
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    77917105 - QUSEAL
    • Serial number 77917105
    • Registration number 3837627
    • Filing date Jan 21, 2010
    • WELCOME CO., LTD
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    77917113 - HANDY SEALER
    • Serial number 77917113
    • Registration number 3837629
    • Filing date Jan 21, 2010
    • WELCOME CO., LTD
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    76339840 - SEALTITE
    • Serial number 76339840
    • Registration number 2644831
    • Filing date Nov 15, 2001
    • Welcome Company Ltd.
    • 7 - Machines and machine tools
  • Information Trademark

    75698475 - MACH
    • Serial number 75698475
    • Filing date May 5, 1999
    • WELCOME CO., LTD
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    75671436 - SMARTSEALER
    • Serial number 75671436
    • Registration number 2374775
    • Filing date Mar 29, 1999
    • WELCOME CO., LTD
    • 7 - Machines and machine tools
  • Information Trademark

    75417747 - WELCOME
    • Serial number 75417747
    • Registration number 2297433
    • Filing date Jan 14, 1998
    • Welcome Co., Ltd.
    • 7 - Machines and machine tools
  • Information Trademark

    75410816
    • Serial number 75410816
    • Registration number 2424147
    • Filing date Dec 24, 1997
    • Welcome Co., Ltd.
    • 7 - Machines and machine tools
  • Information Trademark

    74421880 - MASTAKET
    • Serial number 74421880
    • Filing date Aug 5, 1993
    • Welcome Co., Ltd.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments