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SHANGHAI HUACHANG ENVIRONMENTAL PROT CO LTD

Overview
  • Total Patents
    55
  • GoodIP Patent Rank
    63,536
  • Filing trend
    ⇧ 50.0%
About

SHANGHAI HUACHANG ENVIRONMENTAL PROT CO LTD has a total of 55 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 2008. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets environmental technology, chemical engineering and basic materials chemistry are SHANGHAI HUACHANG ENVIRONMENTAL PROT DEVELOPMENT CO LTD, LUOYANG PETROCHEMICAL ENG CORP SINOPEC and WELCRON HANTEC CO LTD.

Patent filings in countries

World map showing SHANGHAI HUACHANG ENVIRONMENTAL PROT CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Wang Hualin 43
#2 Li Jianping 23
#3 Cui Xin 21
#4 Huang Yuan 21
#5 Shen Qisong 19
#6 Fu Pengbo 16
#7 Liu Yi 13
#8 Hualin Wang 11
#9 Ma Liang 10
#10 Wu Wenfeng 10

Latest patents

Publication Filing date Title
CN110269094A Foodstuff grain drying and method for separating and device
CN110194576A Refine oil plant excess sludge dewatering and device
CN110183060A Compact aerobic/anaerobic technique waste water handles eddy flow intensifying method and device
CN110183084A Excess sludge desiccation decrement method and device
CN110183070A Oily sludge deoiling method and device
CN110183059A The method and apparatus of eddy flow rotation reinforcing waste water short-cut nitrification and denitrification
CN110243147A Chemical fertilizer drying means and device
CN110183089A Excess sludge dewatering and device
CN110003936A Hydrogenator eddy flow bed course feed process and device
CN110064343A The self-priming distributor of fluidized bed reactor eddy flow
CN110003937A Boiling bed hydrogenation method
CN110129089A Boiling bed hydrogenation method
CN110052226A Boiling bed hydrogenation catalyst reactor online eddy flow method for activation recovering in situ and device
CN109999729A Boiling bed hydrogenation catalyst reactor online eddy flow method for activation recovering in situ and device
CN111170552A Oily sewage pretreatment method and device without air floatation
CN111170550A Method and device for reducing oil sludge and scum in cleaning treatment of oily sewage
CN111170551A Method and device for recovering oil in cleaning treatment of oily sewage
CN111170394A Emission reduction method and device for volatile organic compounds in oily sewage cleaning treatment
CN109966879A The method and apparatus of sulphur tail gas after incineration sodium method deep desulfuration control alkali
CN109954289A Desulfurization rich amine solution eddy flow strengthens de- hydrocarbon method and apparatus