Inventor
ZHAO FENGLI
CN18 patents
⚠️ This page may combine multiple inventors who share the name “ZHAO FENGLI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POSITEC POWER TOOLS SUZHOU CO LTD
14 patentsUS10227988B2Mar 12, 2019
Blower and a blowing vacuum device
POSITEC POWER TOOLS SUZHOU CO LTD21 citations90
US10398095B2Sep 3, 2019
Blowing-suction device
POSITEC POWER TOOLS SUZHOU CO LTD8 citations83
US10920386B2Feb 16, 2021
Automatic moving snow removal device
POSITEC POWER TOOLS SUZHOU CO LTD6 citations82
US12006645B2Jun 11, 2024
Automatic snow removal device and safe snow throwing method thereof
POSITEC POWER TOOLS SUZHOU CO LTD2 citations71
US10722085B2Jul 28, 2020
Blower/vacuum apparatus
POSITEC POWER TOOLS SUZHOU CO LTD2 citations70
US11993904B2May 28, 2024
Automatic moving snow removal device
POSITEC POWER TOOLS SUZHOU CO LTD0 citations61
US11780078B2Oct 10, 2023
Self-moving device and automatic working system thereof
POSITEC POWER TOOLS SUZHOU CO LTD0 citations61
US11352757B2Jun 7, 2022
Automatic moving snow removal device
POSITEC POWER TOOLS SUZHOU CO LTD0 citations61
US11109541B2Sep 7, 2021
Blow-suction device with operation mode adjustment mechanism
POSITEC POWER TOOLS SUZHOU CO LTD1 citations60
US12471525B2Nov 18, 2025
Mower with cutting protection mechanism
POSITEC POWER TOOLS SUZHOU CO LTD0 citations59
US12314049B2May 27, 2025
Self-moving device and automatic working system thereof
POSITEC POWER TOOLS SUZHOU CO LTD0 citations49
US12082524B2Sep 10, 2024
Autonomous lawn mower with edger and control method thereof
POSITEC POWER TOOLS SUZHOU CO LTD0 citations49
US11346352B2May 31, 2022
Garden blower
POSITEC POWER TOOLS SUZHOU CO LTD0 citations48
US11188087B2Nov 30, 2021
Autonomous working system, autonomous vehicle and steering method thereof
POSITEC POWER TOOLS SUZHOU CO LTD0 citations48