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Douglas Chiang

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Embedded handle and handle structure for bicycle
    • Patent number 10,457,347
    • Issue date Oct 29, 2019
    • TH INDUSTRIES CO., LTD.
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle component fastening device
    • Patent number 10,086,902
    • Issue date Oct 2, 2018
    • TH INDUSTRIES CO., LTD.
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electronic rear derailleur
    • Patent number 9,334,017
    • Issue date May 10, 2016
    • Tien Hsin Industries Co., Ltd.
    • Alfredo Sala
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Electronic front derailleur
    • Patent number 9,085,340
    • Issue date Jul 21, 2015
    • Tien Hsin Industries Co., Ltd.
    • Alfredo Sala
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Shift control device for bicycle
    • Patent number 8,033,198
    • Issue date Oct 11, 2011
    • Tien Hsin Industries Co., Ltd.
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Combination of derailleur shifter and brake lever
    • Patent number 7,779,719
    • Issue date Aug 24, 2010
    • Douglas Chiang
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Bicycle hub
    • Patent number 7,621,601
    • Issue date Nov 24, 2009
    • Tien Hsin Industries Co., Ltd.
    • Douglas Chiang
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Sprocket
    • Patent number D604346
    • Issue date Nov 17, 2009
    • Tien Hsin Industries Co., Ltd.
    • Douglas Chiang
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Seat support structure of a bicycle
    • Patent number 7,562,932
    • Issue date Jul 21, 2009
    • Tien Hsin Indistries Co., Ltd.
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle seat tube adjusting assembly
    • Patent number 7,559,603
    • Issue date Jul 14, 2009
    • Tien Hsin Indistries Co., Ltd.
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Adjustable cable hanger for a bicycle
    • Patent number 7,533,867
    • Issue date May 19, 2009
    • Tien Hsin Industries Co., Ltd.
    • Douglas Chiang
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Connection tube
    • Patent number D527992
    • Issue date Sep 12, 2006
    • Douglas Chiang
    • D08 - Tools and hardware
  • Information Patent Grant

    Connection tube
    • Patent number D527991
    • Issue date Sep 12, 2006
    • Douglas Chiang
    • D08 - Tools and hardware
  • Information Patent Grant

    Fastening device for connecting spokes to rims
    • Patent number 7,093,910
    • Issue date Aug 22, 2006
    • Eric Alan Hjertberg
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Nuts for securing spokes to rims
    • Patent number 7,077,480
    • Issue date Jul 18, 2006
    • Eric Alan Hjertberg
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Bicycle seat post
    • Patent number 6,957,856
    • Issue date Oct 25, 2005
    • Tien Hsin Industries Co., LTD
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Combination of crank and axle in bottom bracket
    • Patent number 6,899,402
    • Issue date May 31, 2005
    • Tien Hsin Industries Co., LTD
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Combination of bicycle spokes and rims
    • Patent number 6,886,892
    • Issue date May 3, 2005
    • Tien Hsin Industries Co., LTD
    • Douglas Chiang
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Bicycle headset assembly
    • Patent number 6,883,818
    • Issue date Apr 26, 2005
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle handlebar
    • Patent number D499055
    • Issue date Nov 30, 2004
    • Tien Hsin Industries Co., Ltd.
    • Douglas Chiang
    • D12 - Transportation
  • Information Patent Grant

    Bicycle crank
    • Patent number D498710
    • Issue date Nov 23, 2004
    • Tien Hsin Industries Co., Ltd.
    • Douglas Chiang
    • D12 - Transportation
  • Information Patent Grant

    Bicycle auxiliary handle joint
    • Patent number D498717
    • Issue date Nov 23, 2004
    • Tien Hsin Industries Co., Ltd.
    • Douglas Chiang
    • D12 - Transportation
  • Information Patent Grant

    Bicycle crank
    • Patent number D498711
    • Issue date Nov 23, 2004
    • Tien Hsin Industries Co., Ltd.
    • Douglas Chiang
    • D12 - Transportation
  • Information Patent Grant

    Bicycle crankshaft assembly
    • Patent number 6,550,355
    • Issue date Apr 22, 2003
    • Douglas Chiang
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Bicycle crank arm and method of making same
    • Patent number 6,508,002
    • Issue date Jan 21, 2003
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bottom bracket having a hollow shaft with larger diameter
    • Patent number 6,386,765
    • Issue date May 14, 2002
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle crank arm
    • Patent number 6,305,243
    • Issue date Oct 23, 2001
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Crank axle assembly for a bicycle
    • Patent number 6,244,750
    • Issue date Jun 12, 2001
    • Douglas Chiang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bicycle axle
    • Patent number 6,139,192
    • Issue date Oct 31, 2000
    • Douglas Chiang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Crank axle for bicycle
    • Patent number 6,095,691
    • Issue date Aug 1, 2000
    • Douglas Chiang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    EMBEDDED HANDLE AND HANDLE STRUCTURE FOR BICYCLE
    • Publication number 20180290705
    • Publication date Oct 11, 2018
    • TH INDUSTRIES CO., LTD.
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle Component Fastening Device
    • Publication number 20160377106
    • Publication date Dec 29, 2016
    • TH Industries Co., Ltd.
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    ELECTRONIC REAR DERAILLEUR
    • Publication number 20150259031
    • Publication date Sep 17, 2015
    • TIEN HSIN INDUSTRIES CO., LTD.
    • ALFREDO SALA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    SHIFTER LEVER FOR A BICYCLE
    • Publication number 20150259025
    • Publication date Sep 17, 2015
    • TIEN HSIN INDUSTRIES CO., LTD.
    • ALFREDO SALA
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE SEAT POST
    • Publication number 20120133107
    • Publication date May 31, 2012
    • TIEN HSIN INDUSTRIES CO., LTD.
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Detachable Belt for a Belt Pulley Bicycle
    • Publication number 20110111901
    • Publication date May 12, 2011
    • Douglas CHIANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Bicycle Seat Post Protecting Member
    • Publication number 20100254756
    • Publication date Oct 7, 2010
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle Cogset
    • Publication number 20100099530
    • Publication date Apr 22, 2010
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE SHIFT CONTROL DEVICE
    • Publication number 20100037723
    • Publication date Feb 18, 2010
    • Douglas CHIANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    CHAIN GUIDER OF A FRONT DERAILLEUR
    • Publication number 20100022335
    • Publication date Jan 28, 2010
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Shift Control Device for Bicycle
    • Publication number 20100011902
    • Publication date Jan 21, 2010
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    SPROCKET ASSEMBLY
    • Publication number 20100009794
    • Publication date Jan 14, 2010
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle Cranks Composed of Composite Material and Metal Parts and M...
    • Publication number 20090243160
    • Publication date Oct 1, 2009
    • Douglas Chiang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    BICYCLE SPROCKET ASSEMBLY
    • Publication number 20090243250
    • Publication date Oct 1, 2009
    • TIEN HSIN INDUSTRIES CO., LTD.
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Method for Manufacturing Bicycle Crank
    • Publication number 20090236777
    • Publication date Sep 24, 2009
    • Douglas Chiang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    BICYCLE SEAT TUBE ADJUSTING ASSEMBLY
    • Publication number 20090179467
    • Publication date Jul 16, 2009
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BICYCLE HUB
    • Publication number 20090127922
    • Publication date May 21, 2009
    • Douglas CHIANG
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SEAT SUPPORT STRUCTURE OF A BICYCLE
    • Publication number 20090121451
    • Publication date May 14, 2009
    • Douglas CHIANG
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    FRONT SPEED CHANGE DEVICE
    • Publication number 20090111624
    • Publication date Apr 30, 2009
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    SPROCKET OF BICYCLE WITH SPECIAL DESIGNED TOOTH
    • Publication number 20090069135
    • Publication date Mar 12, 2009
    • Douglas CHIANG
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Method For Manufacturing Bicycle Crank
    • Publication number 20080307652
    • Publication date Dec 18, 2008
    • Douglas Chiang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Light weight Chain Wheel Having Concrete Structure
    • Publication number 20080312016
    • Publication date Dec 18, 2008
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle handle device
    • Publication number 20080168857
    • Publication date Jul 17, 2008
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Teeth disk
    • Publication number 20080163722
    • Publication date Jul 10, 2008
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Combination of derailleur shifter and brake lever
    • Publication number 20080115616
    • Publication date May 22, 2008
    • Douglas Chiang
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Speed change device of a bicycle
    • Publication number 20080026889
    • Publication date Jan 31, 2008
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Bicycle head assembly
    • Publication number 20070222177
    • Publication date Sep 27, 2007
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    Connection between bicycle crank and axle
    • Publication number 20070212167
    • Publication date Sep 13, 2007
    • Douglas Chiang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Bicycle cranks composed of composite material and metal parts and m...
    • Publication number 20070186718
    • Publication date Aug 16, 2007
    • Douglas Chiang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Indicating device of a bicycle standing tube
    • Publication number 20070040423
    • Publication date Feb 22, 2007
    • Douglas Chiang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS