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GAO ZEHANG

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    241,191
About

GAO ZEHANG has a total of 12 patent applications. Its first patent ever was published in 2009. It filed its patents most often in WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets environmental technology, packaging and shipping and engines, pumps and turbines are GAO ZEXING, HAISUNG IND SYSTEMS CO LTD and SHIN JOONG HO.

Patent filings in countries

World map showing GAO ZEHANGs patent filings in countries

Patent filings per year

Chart showing GAO ZEHANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gao Zehang 12
#2 Yu Gongman 4
#3 Li Jianwen 3
#4 Ma Wenping 1
#5 Li Weiyuan 1
#6 Zhu Xiaolu 1
#7 Wu Zongze 1

Latest patents

Publication Filing date Title
WO2015089747A1 Traction device
WO2015042936A1 Manual hoist
WO2014032622A1 Breaking apparatus
WO2015027424A1 Lifting device and chain block comprising same
WO2014146293A1 Endless rope-based lifting system, and elevator and hoister having such lifting system
WO2013149528A1 Brake device and clutch system comprising brake device
WO2012065539A1 Connector assembly, power transmission system, wind turbine and wind power generator
WO2012031548A1 Rotatable shaft assembly
WO2012031547A1 Mechanical rotary speed control device and wind power generation apparatus
CN102032095A Horizontal-shaft windmill
CN102025220A Natural force power generation equipment and generator set