Assignee
CHEN KUO-CHANG
42 granted patents·9 pending applications·419 citations·filing 1996–2021
Top patents by PatentIndex Score
51 records- 0198USD420887SHandle gripCHEN KUO-CHANG·Filed 1997·Granted Feb 22, 2000·99 cites·1 claims
- 0296US9943185B2Kettle having capability of preventing overflow of boiled waterCHEN KUO CHANG·Filed 2016·Granted Apr 17, 2018·18 cites·20 claims
- 0393US8735705B1Drum beating apparatusCHEN KUO-CHANG·Filed 2013·Granted May 27, 2014·11 cites·11 claims
- 0492US7301088B2Adjustable drum pedal assemblyCHEN KUO-CHANG·Filed 2006·Granted Nov 27, 2007·19 cites·2 claims
- 0590US7928305B1Pedal system for a percussion instrumentCHEN KUO CHANG·Filed 2009·Granted Apr 19, 2011·15 cites·8 claims
- 0690USD552430SKnifeCHEN KUO-CHANG·Filed 2006·Granted Oct 9, 2007·41 cites·1 claims
- 0785US9679545B1Drum hoop fastening device and drum having the sameCHEN KUO-CHANG·Filed 2016·Granted Jun 13, 2017·4 cites·11 claims
- 0885US7795520B1Pedal system for a percussion instrumentCHEN KUO CHANG·Filed 2009·Granted Sep 14, 2010·12 cites·5 claims
- 0985US7579539B2Adjustable drum pedal assemblyCHEN KUO-CHANG·Filed 2007·Granted Aug 25, 2009·13 cites·1 claims
- 1083US8110731B1Transmission linkage for drum assemblyCHEN KUO-CHANG·Filed 2010·Granted Feb 7, 2012·5 cites·9 claims
- 1183US7999165B2Pedal system and a drum assembly using the sameCHEN KUO-CHANG·Filed 2009·Granted Aug 16, 2011·11 cites·8 claims
- 1283USD407943STeapotCHEN KUO-CHANG·Filed 1998·Granted Apr 13, 1999·25 cites·1 claims
- 1381US7858861B1Pedal system and a drum assembly using the sameCHEN KUO-CHANG·Filed 2009·Granted Dec 28, 2010·10 cites·8 claims
- 1480US11004432B1Drum stand coupler and drum using the sameCHEN KUO CHANG·Filed 2020·Granted May 11, 2021·1 cites·11 claims
- 1578US10157599B2Fastening device, drum hoop fastening device and drum having the sameCHEN KUO CHANG·Filed 2018·Granted Dec 18, 2018·2 cites·12 claims
- 1676US8053656B1Single-arm pedal assembly for percussion instrumentCHEN KUO-CHANG·Filed 2010·Granted Nov 8, 2011·5 cites·7 claims
- 1775US8212133B2Drum pedal assemblyCHEN KUO-CHANG·Filed 2009·Granted Jul 3, 2012·8 cites·9 claims
- 1875USD381239SKettleCHEN KUO-CHANG·Filed 1996·Granted Jul 22, 1997·18 cites·1 claims
- 1974US7119263B1Drum head tension control deviceCHEN KUO-CHANG·Filed 2005·Granted Oct 10, 2006·8 cites·5 claims
- 2073US7291777B2Captive washers of a drumCHEN KUO-CHANG·Filed 2006·Granted Nov 6, 2007·8 cites·7 claims
- 2171US9495944B1Drum frame fixerCHEN KUO-CHANG·Filed 2015·Granted Nov 15, 2016·2 cites·10 claims
- 2270US7777114B1Adjustable music pedalCHEN KUO-CHANG·Filed 2009·Granted Aug 17, 2010·6 cites·8 claims
- 2369US7855331B1Pedal system and a drum assembly using the sameCHEN KUO-CHANG·Filed 2009·Granted Dec 21, 2010·6 cites·9 claims
- 2468US7297852B1Pedal device for a drumCHEN KUO-CHANG·Filed 2006·Granted Nov 20, 2007·6 cites·3 claims
- 2566US7956269B1Pedal assembly for percussion instrumentCHEN KUO CHANG·Filed 2010·Granted Jun 7, 2011·3 cites·7 claims
- 2666US7709716B1Foldable music pedalCHEN KUO-CHANG·Filed 2009·Granted May 4, 2010·5 cites·12 claims
- 2763US11568841B2Pedal assembly for percussion instrumentCHEN KUO CHANG·Filed 2021·Granted Jan 31, 2023·0 cites·11 claims
- 2862US11450300B1Drum hoop fastening deviceCHEN KUO CHANG·Filed 2021·Granted Sep 20, 2022·0 cites·10 claims
- 2961USD752919SKnife handleCHEN KUO-CHANG·Filed 2014·Granted Apr 5, 2016·10 cites·1 claims
- 3059USD718970SKettleCHEN KUO-CHANG·Filed 2013·Granted Dec 9, 2014·11 cites·1 claims
- 3159US2008060204A1Magnetic knife holderCHEN KUO-CHANG·Filed 2006·Application pending·0 cites
- 3256USD710657SKnife bladeCHEN KUO-CHANG·Filed 2013·Granted Aug 12, 2014·8 cites·1 claims
- 3356USD428775SBread boxCHEN KUO-CHANG·Filed 1999·Granted Aug 1, 2000·8 cites·1 claims
- 3454US7663042B1Adjustable pedal assembly for a percussion instrumentCHEN KUO-CHANG·Filed 2009·Granted Feb 16, 2010·2 cites·10 claims
- 3553USD710658SKnife bladeCHEN KUO-CHANG·Filed 2013·Granted Aug 12, 2014·7 cites·1 claims
- 3652US2007007705A1Foldable chopping blockCHEN KUO-CHANG·Filed 2005·Application pending·0 cites
- 3749USD404967SInfuser baseCHEN KUO-CHANG·Filed 1998·Granted Feb 2, 1999·6 cites·1 claims
- 3848US2018204548A1Fastening device, drum hoop fastening device and drum having the sameCHEN KUO CHANG·Filed 2017·Application pending·0 cites
- 3947USD714102SKnife bladeCHEN KUO-CHANG·Filed 2013·Granted Sep 30, 2014·5 cites·1 claims
- 4047US7956265B1Positioning device for a hoop of a drumCHEN KUO CHANG·Filed 2009·Granted Jun 7, 2011·0 cites·4 claims
- 4146US9072395B2Spout interlocking device of a teapotCHEN KUO-CHANG·Filed 2013·Granted Jul 7, 2015·0 cites·20 claims
- 4246US7956267B2Hi-hat systemCHEN KUO-CHANG·Filed 2009·Granted Jun 7, 2011·0 cites·7 claims
- 4345US2012013162A1Chair for a drummerCHEN KUO-CHANG·Filed 2010·Application pending·0 cites
- 4444US2009038464A1Adjustment assembly for a drumCHEN KUO-CHANG·Filed 2007·Application pending·0 cites
- 4543US2012262603A1Image Capturing Device and Image Processing Method ThereofCHEN KUO-CHANG·Filed 2011·Application pending·0 cites
- 4642US8686263B2Musical instrumentCHEN KUO-CHANG·Filed 2012·Granted Apr 1, 2014·0 cites·7 claims
- 4742US2007113722A1Adjustable drum pedal assemblyCHEN KUO-CHANG·Filed 2006·Application pending·0 cites
- 4842US2007144332A1Tension control device used on a drumCHEN KUO-CHANG·Filed 2006·Application pending·0 cites
- 4941US10199020B1Drum practice apparatusCHEN KUO CHANG·Filed 2017·Granted Feb 5, 2019·0 cites·7 claims
- 5038US2018240445A1Drum hoop and a drum having the sameCHEN KUO CHANG·Filed 2017·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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