Assignee
CHANG WEN CHENG
TW·8 granted patents·3 pending applications·148 citations·filing 2005–2019
Top patents by PatentIndex Score
11 records- 0196US7651072B1Cable tightening device with a base having a lower cost of fabricationCHANG WEN-CHENG·Filed 2008·Granted Jan 26, 2010·43 cites·17 claims
- 0296US7448596B1Cable tightening device having anti-theft functionCHANG WEN-CHENG·Filed 2006·Granted Nov 11, 2008·47 cites·16 claims
- 0393US8561267B2Composite-material buckleCHANG WEN CHENG·Filed 2012·Granted Oct 22, 2013·17 cites·7 claims
- 0478US7100898B1Lifting jackCHANG WEN-CHENG·Filed 2005·Granted Sep 5, 2006·8 cites·11 claims
- 0577USD657217SHandle of a hand pullerCHANG WEN CHENG·Filed 2011·Granted Apr 10, 2012·23 cites·1 claims
- 0669US8499662B2Pull handle structure of a hand pullerCHANG WEN CHENG·Filed 2011·Granted Aug 6, 2013·3 cites·6 claims
- 0769US8402611B2Positioning hook structure for a hand pullerCHANG WEN CHENG·Filed 2010·Granted Mar 26, 2013·3 cites·18 claims
- 0866US8528849B2Ratchet buckleCHANG WEN CHENG·Filed 2010·Granted Sep 10, 2013·4 cites·5 claims
- 0948US2020305635A1Intelligent Extraction Beverage CoolerCHANG WEN CHENG·Filed 2019·Application pending·0 cites
- 1045US2020208909A1Novel Liquid CoolerCHANG WEN CHENG·Filed 2019·Application pending·0 cites
- 1141US2012074363A1Hand Puller and a Central Shaft Structure ThereofCHANG WEN CHENG·Filed 2010·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →