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CHINA TIANCHEN ENG CORP

Overview
  • Total Patents
    393
  • GoodIP Patent Rank
    4,958
  • Filing trend
    ⇧ 12.0%
About

CHINA TIANCHEN ENG CORP has a total of 393 patent applications. It increased the IP activity by 12.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets organic fine chemistry, chemical engineering and environmental technology are ZHEJIANG JIANYE CHEMICAL CO LTD, SW RES & DESIGN INST CHEM IND and BP KOELN GMBH.

Patent filings in countries

World map showing CHINA TIANCHEN ENG CORPs patent filings in countries
# Country Total Patents
#1 China 393

Patent filings per year

Chart showing CHINA TIANCHEN ENG CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Kejian 128
#2 Wang Cong 95
#3 Liu Xinwei 61
#4 Liu Wen 60
#5 Geng Yuxia 55
#6 Liu Junsheng 48
#7 Yang Qiwu 46
#8 Qian Zhen 45
#9 Wang Haiguo 45
#10 Li Rong 45

Latest patents

Publication Filing date Title
CN112125365A Coal gasification black water treatment system
CN112028858A Synthesis method of epoxy cyclohexane
CN112121871A Treatment method for improving mechanical strength of formed titanium silicalite molecular sieve catalyst
CN112047904A Method for preparing cyclohexene oxide by using microchannel reactor
CN112110458A Device and method for recycling waste heat and waste solids in reaction of preparing olefin from methanol
CN111909019A Method for continuously preparing tert-amyl anthraquinone by pre-dissolving raw materials
CN111921488A Preparation method of desulfurization adsorbent
CN111848459A Clean and efficient preparation method of 1,6 and 1, 7-clevuric acid
CN111921564A Reinforcing agent for reinforcing adhesion capability of catalyst-loaded silicon-aluminum-phosphorus molecular sieve and filling device suitable for catalyst
CN111574325A Method and system for preparing 1, 3-butanediol with high selectivity
CN111620767A Method for improving selectivity of aldol condensation reaction
CN111704532A Method for removing acetaldehyde in 3-hydroxybutyraldehyde crude product
CN111675225A Regulator for synthesis process of silicon-aluminum-phosphorus molecular sieve and use method
CN111595172A Coal chemical industry technology steam condensate energy cascade utilization system
CN111686718A Cyclohexane dehydrogenation catalyst and preparation method thereof
CN111672508A Preparation and application of catalyst for preparing 1, 4-cyclohexane dimethyl phthalate by hydrogenating dimethyl terephthalate
CN111377820A Preparation method of 2-methylpentanediamine
CN111361871A Arch breaking device for material bin
CN111333559A Method for rapidly preparing peroxyacetic acid by continuous flow
CN111233728A Method for rapidly preparing high-concentration peroxyacetic acid