Inventor · disambiguated record
Jung-Chang Jong
Also filed as: JONG JUNG-CHANG
17 granted patents·4 pending applications·295 citations·filing 2000–2010
95Inventor score
Top patents by PatentIndex Score
21 records- 0187US6532671B1Tension adjustment device for a chain sawJENN FENG IND CO LTD·Filed 2001·Granted Mar 18, 2003·38 cites·4 claims
- 0285USD445657SChain sawJENN FENG IND CO LTD·Filed 2000·Granted Jul 31, 2001·31 cites·1 claims
- 0382US6469269B1Two-stage self-locking switch structure for hand toolsJENN FENG IND CO LTD·Filed 2001·Granted Oct 22, 2002·26 cites·4 claims
- 0479USD473116SHedge trimmerJENN FENG IND CO LTD·Filed 2002·Granted Apr 15, 2003·23 cites·1 claims
- 0578USD460973SLawn mowerJENN FENG IND CO LTD·Filed 2001·Granted Jul 30, 2002·23 cites·1 claims
- 0675US6454020B1Locking device for output shaft of electric toolsJENN FENG IND CO LTD·Filed 2002·Granted Sep 24, 2002·20 cites·3 claims
- 0775USD457897SLawn mowerJENN FENG IND CO LTD·Filed 2001·Granted May 28, 2002·20 cites·1 claims
- 0874US6575285B2Safety switch for power toolsJENN FENG IND CO LTD·Filed 2001·Granted Jun 10, 2003·32 cites·5 claims
- 0973US6878888B1Safety device for activating electric toolsJENN PENG IND CO LTD·Filed 2004·Granted Apr 12, 2005·21 cites·4 claims
- 1069USD456675SLawn mowerJENN FENG IND CO LTD·Filed 2001·Granted May 7, 2002·16 cites·1 claims
- 1162US6622341B2Position shifting plate for an air blowing deviceJENN FENG IND CO LTD·Filed 2001·Granted Sep 23, 2003·10 cites·6 claims
- 1253US6698566B2Clutch type safety switch for power toolsJENN FENG IND CO LTD·Filed 2001·Granted Mar 2, 2004·11 cites·6 claims
- 1351USD457042SLawn mowerJENN FENG IND CO LTD·Filed 2001·Granted May 14, 2002·7 cites·1 claims
- 1450US6909061B1Trigger-brake structure for tool machineJENN FENG IND CO LTD·Filed 2004·Granted Jun 21, 2005·5 cites·1 claims
- 1544USD457532SMilling machine for leaves and branchJENN FENG IND CO LTD·Filed 2001·Granted May 21, 2002·5 cites·1 claims
- 1642USD459559SBlowerJENN FENG IND CO LTD·Filed 2000·Granted Jun 25, 2002·4 cites·1 claims
- 1741US2005210685A1Brake mechanism for toolJONG JUNG-CHANG·Filed 2004·Application pending·0 cites
- 1840US2011175544A1Multifunctional Illuminating LampJONG JUNG-CHANG·Filed 2010·Application pending·0 cites
- 1940US2003235056A1High/low switching mechanism of vehicle headlightFiled 2002·Application pending·0 cites
- 2040US2003117809A1Headlamp baseFiled 2001·Application pending·0 cites
- 2139USD469200SFlashlightJENN FENG IND CO LTD·Filed 2002·Granted Jan 21, 2003·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →