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LI CHENGLI

Overview
  • Total Patents
    34
  • GoodIP Patent Rank
    46,890
  • Filing trend
    ⇩ 28.0%
About

LI CHENGLI has a total of 34 patent applications. It decreased the IP activity by 28.0%. Its first patent ever was published in 2013. It filed its patents most often in United States and China. Its main competitors in its focus markets electrical machinery and energy, measurement and medical technology are SACERDOTI GIANCARLO, TOMIMBANG WENDELL E and UNION D ELECTRICITE.

Patent filings in countries

World map showing LI CHENGLIs patent filings in countries
# Country Total Patents
#1 United States 29
#2 China 5

Patent filings per year

Chart showing LI CHENGLIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Chengli 34
#2 Nie Shengyun 10
#3 Yue Guolan 9
#4 He Xiangmeng 4
#5 Zhang Xiaoming 4
#6 Liu Ming 4
#7 Xu Yujun 4
#8 Chen Long 4
#9 Li Yiming 3
#10 Zhao Yunlong 2

Latest patents

Publication Filing date Title
US2021006060A1 Intelligent leakage current detection and interruption device for power cord
US2020393520A1 Intelligent leakage current detection and interruption device for power cord
CN111477017A Technology for promoting safe passing of people and vehicles at urban main road intersection
US10804638B1 Safety shield assembly for power receptacle and related power receptacle
US2020091707A1 Leakage current detection and interruption device for power cord, and power connector and appliance employing the same
US2021118869A1 Leakage current detection and protection device and power connector employing the same
US2021111554A1 Leakage current detection and protection device, and power connector and electrical appliance employing the same
US10931095B1 Relay-type leakage current protection device
US10770823B1 Safety shield assembly for power receptacle and related power receptacle
US2020366083A1 Leakage current detection and interruption device for power cord
US2019115748A1 Leakage current detection and protection device for power cord
CN109363769A A kind of magnetic resonance positioning device and localization method
CN109381256A A kind of intervention operation orientation ablation needle
CN109363751A A kind of puncture orientation add-on assemble
US2018149690A1 Ground fault circuit interrupter
US2018331465A1 Power plug with leakage current protection device
US2018109102A1 Ground fault circuit interrupter
US2018166833A1 Leakage current protection device for power plug
US2019097412A1 Leakage current detection and protection device for power cord
US2018292443A1 Leakage current protection device