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WEIGUO ZHANG

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    227,566
About

WEIGUO ZHANG has a total of 11 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China, Hong Kong and Netherlands. Its main competitors in its focus markets environmental technology are YEAN LU YI CO LTD, ASTECS KK and ROSTOVSKIJ VERTOLETNYJ PROIZV.

Patent filings in countries

World map showing WEIGUO ZHANGs patent filings in countries
# Country Total Patents
#1 China 9
#2 Hong Kong 1
#3 Netherlands 1

Patent filings per year

Chart showing WEIGUO ZHANGs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Weiguo Zhang 11
#2 Junyi You 1
#3 Liansheng Ding 1
#4 Zhenmao Gong 1
#5 Zhihua Zhao 1
#6 Kaile Zhang 1
#7 Xiangfu Li 1
#8 Tianbing Ma 1
#9 Liping Yan 1
#10 Xiaolei Jiang 1

Latest patents

Publication Filing date Title
NL2015925B1 Suspension rotary water pressure energy conversion power output device.
HK1181252A2 Power output apparatus of rotary suspension water pressure energy conversion
CN102556122A Train navigation monitoring early warning system and early warning method thereof
CN102758881A Mechanical grouped worm and worm gear transmission device
CN102720819A Worm gear drive with hydraulic-powered worm group
CN102720820A Difference-adjusting differential for wheelchair
CN102400461A Static pressure immersed tube free drop hammer concrete expanded bore pile tamping process
CN101881036A Spring guiding device
CN101812432A Process for extracting superoxide dismutase (SOD) from houttuynia, hovenia dulcis thumb, rosa roxburghii, myrobalan, bottle gourd and chayote
CN102119639A Enclosure rat-repelling and grass-breeding technology
CN101383499A Water level detecting control protector of water pump for mining