Inventor · disambiguated record
Junya Duan
Also filed as: DUAN JUNYA
17 granted patents·6 pending applications·46 citations·filing 2010–2025
90Inventor score
Files withNANJING CHERVON IND CO LTD13YANG DEZHONG4CHERVON IP LTD3CHERVON HK LTD2CHINA WATERBORNE TRANSP RES INST1
Top patents by PatentIndex Score
23 records- 0190US10478933B2Angle grinder, power tool and braking method thereofNANJING CHERVON IND CO LTD·Filed 2017·Granted Nov 19, 2019·4 cites·10 claims
- 0287US11791750B2Power tool using brushless motor and method for controlling the sameNANJING CHERVON IND CO LTD·Filed 2021·Granted Oct 17, 2023·1 cites·17 claims
- 0387US8963497B2Cordless tool systemYANG DEZHONG·Filed 2012·Granted Feb 24, 2015·13 cites·14 claims
- 0484US9608461B2Battery pack cooling and charging device and methodCHERVON HK LTD·Filed 2013·Granted Mar 28, 2017·11 cites·4 claims
- 0582US12059737B2Power tool and method for starting the sameNANJING CHERVON IND CO LTD·Filed 2021·Granted Aug 13, 2024·1 cites·15 claims
- 0678US9548614B2Cordless tool systemCHERVON IP LTD·Filed 2015·Granted Jan 17, 2017·3 cites·16 claims
- 0777US9252463B2Battery charging system having multiple charging modesYANG DEZHONG·Filed 2011·Granted Feb 2, 2016·9 cites·23 claims
- 0868US9726731B2Battery pack, method for detecting battery pack, charging assembly and electric toolCHERVON IP LTD·Filed 2014·Granted Aug 8, 2017·3 cites·3 claims
- 0967US2023420789A1Battery pack and power toolNANJING CHERVON IND CO LTD·Filed 2023·Application pending·0 cites
- 1061US9608466B2Charging control method and charging assemblyCHERVON IP LTD·Filed 2014·Granted Mar 28, 2017·1 cites·19 claims
- 1160US2025337347A1Sawing tool and power toolNANJING CHERVON IND CO LTD·Filed 2025·Application pending·0 cites
- 1258US2025269510A1Power toolNANJING CHERVON IND CO LTD·Filed 2025·Application pending·0 cites
- 1356US2024116208A1Chainsaw and methods for determining and releasing a jammed state of the chainsawNANJING CHERVON IND CO LTD·Filed 2023·Application pending·0 cites
- 1455US12149190B2Power tool, impact wrench, and tool control methodNANJING CHERVON IND CO LTD·Filed 2022·Granted Nov 19, 2024·0 cites·17 claims
- 1553US9979208B2Cordless tool system with a battery pack having a heat absorbing deviceCHERVON HK LTD·Filed 2016·Granted May 22, 2018·0 cites·18 claims
- 1652US12111360B2Battery pack and power supply apparatusNANJING CHERVON IND CO LTD·Filed 2022·Granted Oct 8, 2024·0 cites·20 claims
- 1752US11296581B2Power toolNANJING CHERVON IND CO LTD·Filed 2019·Granted Apr 5, 2022·0 cites·17 claims
- 1849US12255499B2Power tool and electronic control deviceNANJING CHERVON IND CO LTD·Filed 2022·Granted Mar 18, 2025·0 cites·19 claims
- 1946US8400114B2DC power tool with a safety detection deviceYANG DEZHONG·Filed 2010·Granted Mar 19, 2013·0 cites·4 claims
- 2043US11592429B2Open-air circulating pool for simulating ecological damageCHINA WATERBORNE TRANSP RES INST·Filed 2021·Granted Feb 28, 2023·0 cites·3 claims
- 2143US2010269355A1Control method for motor-driven shearsYANG DEZHONG·Filed 2010·Application pending·0 cites
- 2241US10892691B2Control circuit and power toolNANJING CHERVON IND CO LTD·Filed 2019·Granted Jan 12, 2021·0 cites·18 claims
- 2340US2020230718A1Circular sawNANJING CHERVON IND CO LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →