Inventor
DUAN JUNYA
CN17 patents
⚠️ This page may combine multiple inventors who share the name “DUAN JUNYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NANJING CHERVON IND CO LTD
8 patentsUS10478933B2Nov 19, 2019
Angle grinder, power tool and braking method thereof
NANJING CHERVON IND CO LTD4 citations71
US11791750B2Oct 17, 2023
Power tool using brushless motor and method for controlling the same
NANJING CHERVON IND CO LTD1 citations61
US12059737B2Aug 13, 2024
Power tool and method for starting the same
NANJING CHERVON IND CO LTD1 citations60
US12111360B2Oct 8, 2024
Battery pack and power supply apparatus
NANJING CHERVON IND CO LTD0 citations52
US11296581B2Apr 5, 2022
Power tool
NANJING CHERVON IND CO LTD0 citations45
US12255499B2Mar 18, 2025
Power tool and electronic control device
NANJING CHERVON IND CO LTD0 citations44
US12149190B2Nov 19, 2024
Power tool, impact wrench, and tool control method
NANJING CHERVON IND CO LTD0 citations44
US10892691B2Jan 12, 2021
Control circuit and power tool
NANJING CHERVON IND CO LTD0 citations43