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Jung-Chang Jong

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  • Chungli City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Trigger-brake structure for tool machine
    • Patent number 6,909,061
    • Issue date Jun 21, 2005
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Safety device for activating electric tools
    • Patent number 6,878,888
    • Issue date Apr 12, 2005
    • Jenn Peng Industrial Co., Ltd.
    • Jung-Chang Jong
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Clutch type safety switch for power tools
    • Patent number 6,698,566
    • Issue date Mar 2, 2004
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Position shifting plate for an air blowing device
    • Patent number 6,622,341
    • Issue date Sep 23, 2003
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Safety switch for power tools
    • Patent number 6,575,285
    • Issue date Jun 10, 2003
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Hedge trimmer
    • Patent number D473116
    • Issue date Apr 15, 2003
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • D08 - Tools and hardware
  • Information Patent Grant

    Tension adjustment device for a chain saw
    • Patent number 6,532,671
    • Issue date Mar 18, 2003
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Flashlight
    • Patent number D469200
    • Issue date Jan 21, 2003
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • D26 - Lighting
  • Information Patent Grant

    Two-stage self-locking switch structure for hand tools
    • Patent number 6,469,269
    • Issue date Oct 22, 2002
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Locking device for output shaft of electric tools
    • Patent number 6,454,020
    • Issue date Sep 24, 2002
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Lawn mower
    • Patent number D460973
    • Issue date Jul 30, 2002
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Blower
    • Patent number D459559
    • Issue date Jun 25, 2002
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Lawn mower
    • Patent number D457897
    • Issue date May 28, 2002
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Milling machine for leaves and branch
    • Patent number D457532
    • Issue date May 21, 2002
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Lawn mower
    • Patent number D457042
    • Issue date May 14, 2002
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • D08 - Tools and hardware
  • Information Patent Grant

    Lawn mower
    • Patent number D456675
    • Issue date May 7, 2002
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • D08 - Tools and hardware
  • Information Patent Grant

    Chain saw
    • Patent number D445657
    • Issue date Jul 31, 2001
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • D08 - Tools and hardware

Patents Applicationslast 30 patents

  • Information Patent Application

    Multifunctional Illuminating Lamp
    • Publication number 20110175544
    • Publication date Jul 21, 2011
    • Jung-Chang Jong
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Brake mechanism for tool
    • Publication number 20050210685
    • Publication date Sep 29, 2005
    • Jung-Chang Jong
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    High/low switching mechanism of vehicle headlight
    • Publication number 20030235056
    • Publication date Dec 25, 2003
    • Jung-Chang Jong
    • F21 - LIGHTING
  • Information Patent Application

    Headlamp base
    • Publication number 20030117809
    • Publication date Jun 26, 2003
    • Jung-Chang Jong
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Clutch type safety switch for power tools
    • Publication number 20030088987
    • Publication date May 15, 2003
    • Jung-Chang Jong
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    SAFETY SWITCH FOR POWER TOOLS
    • Publication number 20030089575
    • Publication date May 15, 2003
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    Position shifting plate for an air blowing device
    • Publication number 20020166197
    • Publication date Nov 14, 2002
    • Jenn Feng Industrial Co., Ltd.
    • Jung-Chang Jong
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Application

    TWO-STAGE SELF-LOCKING SWITCH STRUCTURE FOR HAND TOOLS
    • Publication number 20020139654
    • Publication date Oct 3, 2002
    • Jung-Chang Jong
    • H01 - BASIC ELECTRIC ELEMENTS