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SHANGHAI HUACHANG ENVIRONMENTAL PROT DEV CO LTD

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    177,410
About

SHANGHAI HUACHANG ENVIRONMENTAL PROT DEV CO LTD has a total of 20 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, environmental technology and organic fine chemistry are SW RES & DESIGN INST CHEM IND, EVANS WAYNE ERROL and SHANDONG DEPU CHEMICAL INDUSTRY SCIENCE AND TECH CO LTD.

Patent filings in countries

World map showing SHANGHAI HUACHANG ENVIRONMENTAL PROT DEV CO LTDs patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

Chart showing SHANGHAI HUACHANG ENVIRONMENTAL PROT DEV CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Hualin 18
#2 Li Jianping 12
#3 Shen Qisong 8
#4 Zhang Yanhong 5
#5 Cui Xin 5
#6 Xu Yinxiang 4
#7 Lv Wenjie 4
#8 Qian Peng 4
#9 Huang Yuan 3
#10 Liu Yi 3

Latest patents

Publication Filing date Title
CN104587928A Integration method and device for micro-hydrocyclone in tower vessel
CN104474850A Method and device for treating liquid sulfur tank tail gas
CN104200860A Coolant rotational-flow purification method and device for boron removal section of boron recycle system
CN104174220A Cyclone purification method and device for cooling water of purification loop of reactor pit of a pressurized water reactor nuclear power plant
CN104332209A Waste liquid processing system radiating waste liquid whirl separating purifying method and device
CN104117264A Deep control method and deep control device of pollutant in burning gas of ethane cracking furnace
CN104058912A Method and device for utilizing catalyst in ethylidene norbornene isosynthesis technology
CN103980084A Continuous isosynthesis method and continuous isosynthesis device of ethylidene norbornene
CN103706378A Treatment method and device for concentrating, drying and detoxifying dead catalyst entrained in isobutylene during preparation of isobutylene by isobutane dehydrogenation
CN103588260A Inverted inclined installation method and device for long-period continuous stable operation of liquid-solid micro cyclone separator
CN103525491A Method and device for removing hydrogen sulfide in shale gas with high sulfur content
CN103558873A Method and device for regulating and controlling micro-flow continuous discharging of intermittently-discharged high-temperature high-pressure slurry
CN103524286A Methanol and C4-to-olefin quenched water and washing water airtight coupling treatment method and device
CN103551263A Method and device for improving separating properties of liquid-solid micro-cyclone bank
CN103170223A Rotational flow strengthening method and device for purifying sulfur production tail gases by Claus method
CN102836631A Method and device for selectively removing hydrogen sulfide from gas by utilizing amine droplets
CN102794236A Method and apparatus for strengthening gas-liquid swirling separation process by underflow gas leakage
CN102748960A Water-saving anti-fog method and device of wet cooling tower
CN102698816A Post-processing method and post-processing device for hydrothermal desorption of residue hydrotreating excretion catalyst in ebullated bed
CN102698818A Processing method and processing device for graded desorption of residue hydrotreating excretion catalyst in ebullated bed