Inventor · disambiguated record
Douglas Chiang
Also filed as: CHIANG DOUGLAS
39 granted patents·31 pending applications·591 citations·filing 1993–2017
98Inventor score
Files withCHIANG DOUGLAS24TIEN HSIN INDUSTRIES CO LTD16HJERTBERG ERIC ALAN2TH IND CO LTD2TIEN HSIN INDISTRIES CO LTD2
Top patents by PatentIndex Score
70 records- 0191USD604346SSprocketTIEN HSIN INDUSTRIES CO LTD·Filed 2007·Granted Nov 17, 2009·47 cites·1 claims
- 0290US9085340B1Electronic front derailleurTIEN HSIN INDUSTRIES CO LTD·Filed 2014·Granted Jul 21, 2015·21 cites·10 claims
- 0390US7559603B1Bicycle seat tube adjusting assemblyTIEN HSIN INDISTRIES CO LTD·Filed 2008·Granted Jul 14, 2009·20 cites·5 claims
- 0488US9334017B2Electronic rear derailleurTIEN HSIN INDUSTRIES CO LTD·Filed 2014·Granted May 10, 2016·19 cites·10 claims
- 0585US7562932B2Seat support structure of a bicycleTIEN HSIN INDISTRIES CO LTD·Filed 2007·Granted Jul 21, 2009·14 cites·11 claims
- 0683US7077480B2Nuts for securing spokes to rimsHJERTBERG ERIC ALAN·Filed 2004·Granted Jul 18, 2006·26 cites·4 claims
- 0783US6886892B2Combination of bicycle spokes and rimsTIEN HSIN INDUSTRIES CO LTD·Filed 2003·Granted May 3, 2005·25 cites·2 claims
- 0882US6305243B1Bicycle crank armFiled 2000·Granted Oct 23, 2001·26 cites·1 claims
- 0978US5549396ABicycle crank axleFiled 1995·Granted Aug 27, 1996·47 cites·1 claims
- 1077US5319993ASteering bearing assembly for a bicycleTIEN HSIN INDUSTRIES CO LTD·Filed 1993·Granted Jun 14, 1994·36 cites·2 claims
- 1175US7779719B2Combination of derailleur shifter and brake leverCHIANG DOUGLAS·Filed 2006·Granted Aug 24, 2010·8 cites·7 claims
- 1275US7621601B2Bicycle hubTIEN HSIN INDUSTRIES CO LTD·Filed 2007·Granted Nov 24, 2009·6 cites·3 claims
- 1375US6883818B1Bicycle headset assemblyFiled 2003·Granted Apr 26, 2005·21 cites·4 claims
- 1474US7093910B2Fastening device for connecting spokes to rimsHJERTBERG ERIC ALAN·Filed 2004·Granted Aug 22, 2006·18 cites·4 claims
- 1574US5387255ASteering bearing assembly for a bicycleFiled 1994·Granted Feb 7, 1995·33 cites·3 claims
- 1672US7533867B1Adjustable cable hanger for a bicycleTIEN HSIN INDUSTRIES CO LTD·Filed 2008·Granted May 19, 2009·4 cites·4 claims
- 1771US6957856B2Bicycle seat postTIEN HSIN INDUSTRIES CO LTD·Filed 2004·Granted Oct 25, 2005·18 cites·1 claims
- 1869US6508002B1Bicycle crank arm and method of making sameFiled 2000·Granted Jan 21, 2003·12 cites·1 claims
- 1967US10457347B2Embedded handle and handle structure for bicycleTH IND CO LTD·Filed 2017·Granted Oct 29, 2019·3 cites·12 claims
- 2065USD499055SBicycle handlebarTIEN HSIN INDUSTRIES CO LTD·Filed 2003·Granted Nov 30, 2004·14 cites·1 claims
- 2165US6095691ACrank axle for bicycleFiled 1999·Granted Aug 1, 2000·20 cites·2 claims
- 2260US6899402B2Combination of crank and axle in bottom bracketTIEN HSIN INDUSTRIES CO LTD·Filed 2003·Granted May 31, 2005·16 cites·4 claims
- 2359US6386765B1Bottom bracket having a hollow shaft with larger diameterFiled 2000·Granted May 14, 2002·9 cites·6 claims
- 2458US6244750B1Crank axle assembly for a bicycleFiled 1999·Granted Jun 12, 2001·16 cites·3 claims
- 2557US8033198B2Shift control device for bicycleTIEN HSIN INDUSTRIES CO LTD·Filed 2009·Granted Oct 11, 2011·2 cites·17 claims
- 2656US2011111901A1Detachable Belt for a Belt Pulley BicycleCHIANG DOUGLAS·Filed 2009·Application pending·0 cites
- 2755US5980116ACrank axle for bicycleFiled 1997·Granted Nov 9, 1999·23 cites·1 claims
- 2854US2009243160A1Bicycle Cranks Composed of Composite Material and Metal Parts and Method for Making the SameCHIANG DOUGLAS·Filed 2009·Application pending·0 cites
- 2954US2009236777A1Method for Manufacturing Bicycle CrankCHIANG DOUGLAS·Filed 2009·Application pending·0 cites
- 3053US2007212167A1Connection between bicycle crank and axleCHIANG DOUGLAS·Filed 2006·Application pending·0 cites
- 3152US5476327ABottom bracket for a bicycleFiled 1995·Granted Dec 19, 1995·14 cites·2 claims
- 3250US6550355B1Bicycle crankshaft assemblyFiled 2000·Granted Apr 22, 2003·3 cites·3 claims
- 3350US2008307652A1Method For Manufacturing Bicycle CrankCHIANG DOUGLAS·Filed 2007·Application pending·0 cites
- 3450US2010099530A1Bicycle CogsetCHIANG DOUGLAS·Filed 2009·Application pending·0 cites
- 3549USD527991SConnection tubeCHIANG DOUGLAS·Filed 2005·Granted Sep 12, 2006·7 cites·1 claims
- 3649US2009243250A1Bicycle sprocket assemblyTIEN HSIN INDUSTRIES CO LTD·Filed 2008·Application pending·0 cites
- 3748US6139192ABicycle axleFiled 1999·Granted Oct 31, 2000·11 cites·1 claims
- 3848US2010009794A1Sprocket assemblyCHIANG DOUGLAS·Filed 2008·Application pending·0 cites
- 3948US2010022335A1Chain guider of a front derailleurCHIANG DOUGLAS·Filed 2008·Application pending·0 cites
- 4048US2010254756A1Bicycle Seat Post Protecting MemberCHIANG DOUGLAS·Filed 2009·Application pending·0 cites
- 4147USD498710SBicycle crankTIEN HSIN INDUSTRIES CO LTD·Filed 2003·Granted Nov 23, 2004·6 cites·1 claims
- 4247US2008312016A1Light weight Chain Wheel Having Concrete StructureCHIANG DOUGLAS·Filed 2007·Application pending·0 cites
- 4347US2007186718A1Bicycle cranks composed of composite material and metal parts and method for making the sameCHIANG DOUGLAS·Filed 2006·Application pending·0 cites
- 4447US2009069135A1Sprocket of bicycle with special designed toothCHIANG DOUGLAS·Filed 2007·Application pending·0 cites
- 4547US2009111624A1Front speed change deviceCHIANG DOUGLAS·Filed 2007·Application pending·0 cites
- 4646US2007040423A1Indicating device of a bicycle standing tubeCHIANG DOUGLAS·Filed 2005·Application pending·0 cites
- 4746US2008163722A1Teeth diskCHIANG DOUGLAS·Filed 2007·Application pending·0 cites
- 4846US2008026889A1Speed change device of a bicycleCHIANG DOUGLAS·Filed 2006·Application pending·0 cites
- 4944US5979923ABicycle with an improved crank gearwheel assemblyFiled 1998·Granted Nov 9, 1999·15 cites·2 claims
- 5044US2005109150A1Bicycle handlebar assemblyFiled 2003·Application pending·0 cites
Showing the top 50 of 70 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →