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SHANGHAI HUAAI CHROMATOGRAPHIC ANALYSIS CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    164,414
About

SHANGHAI HUAAI CHROMATOGRAPHIC ANALYSIS CO LTD has a total of 13 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets measurement, mechanical elements and engines, pumps and turbines are VALCO INSTR CO LP, COUNTING TECH LTD and TUCHENHAGEN OTTO.

Patent filings in countries

World map showing SHANGHAI HUAAI CHROMATOGRAPHIC ANALYSIS CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing SHANGHAI HUAAI CHROMATOGRAPHIC ANALYSIS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fang Hua 12
#2 Zhuang Hongtao 7
#3 Yang Kang 6
#4 Yu Guang 5
#5 Ye Ping 3
#6 Xian Penglin 1
#7 Wang Fude 1
#8 Hua Fang 1
#9 Pan Rui 1
#10 Yang Kun 1

Latest patents

Publication Filing date Title
CN105626901A Sampling valve with purging function for high-purity gas analysis
CN105651565A Field sampling device for SF6 gas analysis
CN105510491A Special oil-resistant and anti-pollution chromatographic column for transformer oil
CN105485408A Device for providing air source for switching of pneumatic valve on gas chromatograph
CN104764848A Gas chromatograph for gas analysis in production field
CN104597156A Two-column system gas chromatograph
CN104316625A Sampling system for silane chromatographic analysis
CN104316617A Gas chromatograph for analysis on trace light dydrocarbon impurity in electronic-grade propylene
CN104297382A Gas chromatograph for analyzing trace impurities in electronic grade hexafluoroethane
CN104155402A Helium ionization gas chromatography system for analyzing decomposition products of SF6
CN103675140A Helium ionized gas chromatographic analyzer for analyzing trace impurities in high-purity germane gas
CN103424490A Gas chromatograph with plasma emission detector
CN101629936A Pulse helium ionized gas phase chromatographic instrument