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CHEN QISONG

Overview
  • Total Patents
    53
  • GoodIP Patent Rank
    228,538
About

CHEN QISONG has a total of 53 patent applications. Its first patent ever was published in 1991. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are MIYAZAKI TLO KK, XIANFU LIU and UNIV HUANAN AGRICULTURE.

Patent filings in countries

World map showing CHEN QISONGs patent filings in countries
# Country Total Patents
#1 China 53

Patent filings per year

Chart showing CHEN QISONGs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Chen Qisong 44
#2 Qisong Chen 9
#3 Chen Yuqing 9
#4 Yu Jihua 6
#5 Yu Chen 4
#6 Ye Songyun 3
#7 Xu Bin 2
#8 Chen Jianfa 2
#9 Guohui Zhu 2
#10 Yu Junhuan 2

Latest patents

Publication Filing date Title
CN103924253A Method for recycling heavy metal and fluorides from stainless steel pickling waste water
CN103468958A Tailings harmless treatment method for laterite nickel ore hydrometallurgical process
CN103496902A Method for making bricks by using hydrometallurgical tailings of laterite nickel ore
CN103397193A Method for extraction of nickel-containing ferrite from stainless steel sludge
CN103274612A Method for preparing cement clinker additive through using stainless steel production residues
CN102994761A Method for purifying and recovering crude chromium and nickel products by cascade extraction method
CN102961999A Gas stirring apparatus
CN102923885A Method for recovering iron sludge from stainless steel scraps recovered with chromium and nickel
CN102897991A Dewatering method for stainless steel sludge
CN102583920A Harmless treatment method for reducing stainless steel leftover sludge at medium temperature
CN102390898A Method for regulating stainless steel acid cleaning wastewater
CN102181647A Method for extracting chromated nickel from low-grade stainless steel sludge by using stainless steel acid-washing waste mother liquor
CN102284464B Harmless disposal method for stainless steel acid washing residues
CN101703847A Method for on-line cleaning filter cloth treating stainless steel waste water
CN101708965A Quicklime slurrying device
CN101037243A Heavy metal treatment method of electroplating wastewater
CN101045593A Zero discharge treatment method for coking wast water and its device
CN1850625A External nickelous sulfate plating liquid circulating purifying device
CN1803651A Zero-discharge coked wastewater treatment system
CN1683602A On-line nickel recovering integrated machine for electroplating production line