Inventor
ZHONG HONGFENG
CN26 patents
⚠️ This page may combine multiple inventors who share the name “ZHONG HONGFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POSITEC POWER TOOLS SUZHOU CO LTD
21 patentsUS10314228B2Jun 11, 2019
Grass trimmer and cord delivering method of grass trimmer
POSITEC POWER TOOLS SUZHOU CO LTD15 citations93
US9872429B2Jan 23, 2018
Grass trimmer and cord delivering method of grass trimmer
POSITEC POWER TOOLS SUZHOU CO LTD19 citations93
US9421681B2Aug 23, 2016
Power tool and operation method for the power tool
POSITEC POWER TOOLS SUZHOU CO LTD19 citations91
US10398095B2Sep 3, 2019
Blowing-suction device
POSITEC POWER TOOLS SUZHOU CO LTD8 citations83
US9833884B2Dec 5, 2017
Power tool and operating method for use on the power tool
POSITEC POWER TOOLS SUZHOU CO LTD12 citations83
US10213852B2Feb 26, 2019
Oscillating power tool
POSITEC POWER TOOLS SUZHOU CO LTD14 citations82
US11027405B2Jun 8, 2021
Power tool
POSITEC POWER TOOLS SUZHOU CO LTD8 citations81
US10939613B2Mar 9, 2021
Grass trimmer and cord delivering method of grass trimmer
POSITEC POWER TOOLS SUZHOU CO LTD1 citations72
US10682750B2Jun 16, 2020
Hand-held power tool and operating method thereof
POSITEC POWER TOOLS SUZHOU CO LTD3 citations72
US10093004B2Oct 9, 2018
Power tool and operating method for use on the power tool
POSITEC POWER TOOLS SUZHOU CO LTD3 citations72
US12329337B2Jun 17, 2025
Robot cleaning system, base station, and control method
POSITEC POWER TOOLS SUZHOU CO LTD2 citations70
US11154974B2Oct 26, 2021
Hand-held tool and clamping device thereof
POSITEC POWER TOOLS SUZHOU CO LTD2 citations70
US11027453B2Jun 8, 2021
Cutting tool
POSITEC POWER TOOLS SUZHOU CO LTD3 citations70
US10512971B2Dec 24, 2019
Power tool and operation method for quick locking and releasing working attachment thereof
POSITEC POWER TOOLS SUZHOU CO LTD4 citations69
US10391624B2Aug 27, 2019
Power tool
POSITEC POWER TOOLS SUZHOU CO LTD1 citations62
US10821530B2Nov 3, 2020
Oscillating power tool
POSITEC POWER TOOLS SUZHOU CO LTD1 citations59
US12303927B2May 20, 2025
Spray gun
POSITEC POWER TOOLS SUZHOU CO LTD0 citations51
US11529711B2Dec 20, 2022
Sanding machine, operating method thereof and working baseplate disassembly-assembly method
POSITEC POWER TOOLS SUZHOU CO LTD0 citations51
US10888988B2Jan 12, 2021
Power tool
POSITEC POWER TOOLS SUZHOU CO LTD0 citations51
US12156622B2Dec 3, 2024
Base station, and robot cleaning system and control method therefor
POSITEC POWER TOOLS SUZHOU CO LTD0 citations49
US11369243B2Jun 28, 2022
Dust bin, vacuum cleaner combination and stick vacuum cleaner
POSITEC POWER TOOLS SUZHOU CO LTD0 citations49
POSITEC POWER TOOLS SUZHOU CO
3 patentsUS7882899B2Feb 8, 2011
Power tool having control system for changing rotational speed of output shaft
POSITEC POWER TOOLS SUZHOU CO91 citations97
US7882900B2Feb 8, 2011
Power tool with signal generator
POSITEC POWER TOOLS SUZHOU CO82 citations97
US7497649B2Mar 3, 2009
Router
POSITEC POWER TOOLS SUZHOU CO7 citations73