Inventor
LIU FANGSHI
CN22 patents
⚠️ This page may combine multiple inventors who share the name “LIU FANGSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POSITEC POWER TOOLS SUZHOU CO LTD
18 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
US11161422B2Nov 2, 2021
Wireless charging station, automatic mower and automatic mowing system
POSITEC POWER TOOLS SUZHOU CO LTD13 citations86
US11378979B2Jul 5, 2022
Moving object and positioning method therefor, automated working system, and storage medium
POSITEC POWER TOOLS SUZHOU CO LTD11 citations85
US11269349B2Mar 8, 2022
Automatic working system and control method thereof
POSITEC POWER TOOLS SUZHOU CO LTD11 citations85
US11442448B2Sep 13, 2022
Self-moving device, method for providing alarm about positioning fault in same, self-moving device, and automatic working system
POSITEC POWER TOOLS SUZHOU CO LTD7 citations84
US10967752B2Apr 6, 2021
Autonomous mobile device and wireless charging system thereof
POSITEC POWER TOOLS SUZHOU CO LTD12 citations84
US10791684B2Oct 6, 2020
Intelligent gardening system and external device communicating therewith
POSITEC POWER TOOLS SUZHOU CO LTD10 citations83
US10749430B2Aug 18, 2020
Power transmission apparatus and control method therefor, and power supply system
POSITEC POWER TOOLS SUZHOU CO LTD12 citations83
US10852735B2Dec 1, 2020
Self-moving robot system
POSITEC POWER TOOLS SUZHOU CO LTD12 citations82
US10444757B2Oct 15, 2019
Self-moving device and control method therefor
POSITEC POWER TOOLS SUZHOU CO LTD8 citations81
US11601002B2Mar 7, 2023
Electrical energy transmission apparatus, method for controlling same, and power supply system
POSITEC POWER TOOLS SUZHOU CO LTD5 citations72
US10939613B2Mar 9, 2021
Grass trimmer and cord delivering method of grass trimmer
POSITEC POWER TOOLS SUZHOU CO LTD1 citations72
US12282332B2Apr 22, 2025
Automatic working system and control method thereof
POSITEC POWER TOOLS SUZHOU CO LTD1 citations63
US11330771B2May 17, 2022
Intelligent gardening system and external device communicating therewith
POSITEC POWER TOOLS SUZHOU CO LTD0 citations62
US12233734B2Feb 25, 2025
Autonomous mobile device and wireless charging system thereof
POSITEC POWER TOOLS SUZHOU CO LTD0 citations61
US12061476B2Aug 13, 2024
Returning method of self-moving device, self-moving device, storage medium, and server
POSITEC POWER TOOLS SUZHOU CO LTD1 citations61
US11622499B2Apr 11, 2023
Autonomous mower
POSITEC POWER TOOLS SUZHOU CO LTD0 citations50