Inventor · disambiguated record
Chung-Hsien Kuo
Also filed as: KUO CHUNG-HSIEN
50 granted patents·14 pending applications·1,130 citations·filing 1997–2019
99Inventor score
Files withCHAW KHONG TECHNOLOGY CO LTD46KEEPER TECH CO LTD3KUO CHUNG-HSIEN3CHAW KHONG CO LTD2CHAW KHONG COMPANY LTD1
Top patents by PatentIndex Score
64 records- 0193US6247203B1Pop-up mechanism for an extendable handle of wheeled luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Jun 19, 2001·65 cites·4 claims
- 0292US9945541B1Light-emitting diode module holderKEEPER TECH CO LTD·Filed 2016·Granted Apr 17, 2018·9 cites·14 claims
- 0390US6338587B1Modified locking structure of retractable draw barCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Jan 15, 2002·50 cites·11 claims
- 0490US6338586B1Locking structure of retractable draw barCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Jan 15, 2002·46 cites·13 claims
- 0590US6305514B1Off-centered dual-purpose handle assembly for wheeled luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Oct 23, 2001·46 cites·16 claims
- 0690US6292979B1Positioning structure of retractable draw bar for a suitcaseCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Sep 25, 2001·43 cites·5 claims
- 0786US6182981B1Two-stage expansion/collapse control mechanism for use on a hand-trailable luggage caseCHAW KHONG TECHNOLOGY CO LTD·Filed 1999·Granted Feb 6, 2001·73 cites·6 claims
- 0885US6978514B2Retractable handle of wheeled luggage having one or two pulling rodsCHAW KHONG TECHNOLOGY CO LTD·Filed 2004·Granted Dec 27, 2005·37 cites·15 claims
- 0985US6409207B1Swivel draw bar structure of a suitcaseCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Jun 25, 2002·38 cites·9 claims
- 1083US6322156B1Wheel assembly of luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Nov 27, 2001·34 cites·8 claims
- 1183US6223391B1Locking assembly of a retractable handle for wheeled luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 1999·Granted May 1, 2001·62 cites·3 claims
- 1281US6484362B1Retractable handle assembly with multiple engaging position for wheeled luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Nov 26, 2002·26 cites·6 claims
- 1380US6401888B1Rotatable auxiliary wheel seat of a trunkCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Jun 11, 2002·30 cites·10 claims
- 1479US8424627B2Wheel module and wheelchair using the sameKUO CHUNG-HSIEN·Filed 2011·Granted Apr 23, 2013·12 cites·11 claims
- 1576US6343404B1Multi-step positioning device of trunk pull rodCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Feb 5, 2002·23 cites·7 claims
- 1676US6170122B1Push button device for releasing locking mechanismCHAW KHONG CO LTD·Filed 1997·Granted Jan 9, 2001·51 cites·16 claims
- 1776US6167994B1Durable device for wheeled luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 1999·Granted Jan 2, 2001·57 cites·7 claims
- 1873USD448275SLuggage bezelCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Sep 25, 2001·18 cites·1 claims
- 1973US6186295B1Wheeled luggage with hidden handle assemblyCHAW KHONG TECHNOLOGY CO LTD·Filed 1999·Granted Feb 13, 2001·45 cites·3 claims
- 2073US6079527ARetractable handle for wheeled luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 1998·Granted Jun 27, 2000·46 cites·13 claims
- 2171US6609271B2Locking device for handle assembly with multiple stagesCHAW KHONG TECHNOLOGY CO LTD·Filed 2001·Granted Aug 26, 2003·17 cites·18 claims
- 2271US6332241B1Locking device for retractable handle of wheeled luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Dec 25, 2001·17 cites·7 claims
- 2370US11744765B2Standing training mobile deviceUNIV CHANG GUNG·Filed 2019·Granted Sep 5, 2023·2 cites·9 claims
- 2470US6857511B2Single handle rod based retractable handle assembly for wheeled luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 2002·Granted Feb 22, 2005·16 cites·8 claims
- 2570US6347432B1Locking device for handle assemblyCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Feb 19, 2002·15 cites·6 claims
- 2668US6868583B2Locking pinCHAW KHONG TECHNOLOGY CO LTD·Filed 2003·Granted Mar 22, 2005·13 cites·12 claims
- 2768US6315368B1Replaceable shock-proof corner wheel of a trunkCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Nov 13, 2001·13 cites·2 claims
- 2867US7232019B2Seamless handle grip of luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 2004·Granted Jun 19, 2007·13 cites·10 claims
- 2965US6830135B2Handle assembly having a single handle rod of wheeled luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 2002·Granted Dec 14, 2004·11 cites·15 claims
- 3063US6961976B2Mechanism for limiting casters to move forwardly while towing luggage obliquelyCHAW KONG TECHNOLOGY CO LTD·Filed 2004·Granted Nov 8, 2005·12 cites·5 claims
- 3163US6450308B1Safety mechanism for bezel of luggage with retractable handleCHAW KHONG TECHNOLOGY CO LTD·Filed 2001·Granted Sep 17, 2002·7 cites·7 claims
- 3263US6374457B1Handle of a trunkCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Apr 23, 2002·8 cites·8 claims
- 3363USD440046SLuggage bezelCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Apr 10, 2001·12 cites·1 claims
- 3462US6141828ALocking device for a retractable pull-handle systemCHAW KHONG CO LTD·Filed 1998·Granted Nov 7, 2000·33 cites·14 claims
- 3561US6339863B1Multi-step positioning device of trunk pull rodCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Jan 22, 2002·5 cites·11 claims
- 3660US6260679B1Bezel assembly for wheeled luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Jul 17, 2001·3 cites·6 claims
- 3757US7370740B2Retractable luggage handle with dampish extending speedCHAW KHONG TECHNOLOGY CO LTD·Filed 2004·Granted May 13, 2008·2 cites·4 claims
- 3856USD444696SLuggage bezelCHAW KHONG TECHNOLOGY CO LTD·Filed 2000·Granted Jul 10, 2001·9 cites·1 claims
- 3956US6116701ADetachable luggage wheel structureCHAW KHONG TECHNOLOGY CO LTD·Filed 1999·Granted Sep 12, 2000·17 cites·8 claims
- 4054US11310993B2Master-slave cooperative cleaning robot systemUNIV NAT TAIWAN SCIENCE & TECHNOLOGY·Filed 2019·Granted Apr 26, 2022·0 cites·10 claims
- 4152US2004181905A1Retractable handle of luggage having two adjacent pulling rodsCHAW KHONG TECHNOLOGY CO LTD·Filed 2004·Application pending·0 cites
- 4250US2003066162A1Shock-absorbing caster of traveling suitcaseFiled 2001·Application pending·0 cites
- 4349US6134748APullman case steering wheel deviceCHAW KHONG TECHNOLOGY CO LTD·Filed 1999·Granted Oct 24, 2000·14 cites·4 claims
- 4449US6134749ALuggage extensible handle assembly protective deviceCHAW KHONG TECHNOLOGY CO LTD·Filed 1999·Granted Oct 24, 2000·19 cites·3 claims
- 4549US2003009853A1Locking device with improved jumping means for retractable handle of luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 2001·Application pending·0 cites
- 4649US2003009848A1Locking device for retractable handle of luggageCHAW KHONG TECHNOLOGY CO LTD·Filed 2001·Application pending·0 cites
- 4749US2002014382A1Combination carrying handle and retractable handleCHAW KHONG TECHNOLOGY CO LTD·Filed 2001·Application pending·0 cites
- 4848US5956807ARetractable pull-handle assemblyCHAW KHONG TECHNOLOGY CO LTD·Filed 1997·Granted Sep 28, 1999·19 cites·7 claims
- 4948US2003006110A1Structure of the mobile luggage caseFiled 2001·Application pending·0 cites
- 5048US2001032374A1Fluid controlled luggage handleCHAW KHONG TECHNOLOGY CO LTD·Filed 2001·Application pending·0 cites
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →