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EAST CHINA ENG SCI & TECH CO LTD

Overview
  • Total Patents
    41
  • GoodIP Patent Rank
    83,153
About

EAST CHINA ENG SCI & TECH CO LTD has a total of 41 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, organic fine chemistry and materials and metallurgy are PROIZV OB ZASHCHITE ATMOSFERY, CHINA KUNLUN CONTRACTING & ENGINEERING CORP and ANHUI CHENNUO FEED GREASE PROC CO LTD.

Patent filings in countries

World map showing EAST CHINA ENG SCI & TECH CO LTDs patent filings in countries

Patent filings per year

Chart showing EAST CHINA ENG SCI & TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Yuefeng 7
#2 Sun Hongtao 7
#3 Hu Wensheng 7
#4 Han Di 7
#5 Ma Zhenming 5
#6 Li Shihu 5
#7 Xie Weiqing 5
#8 Wang Qunli 5
#9 Xiang Yaohua 5
#10 Wu Danong 5

Latest patents

Publication Filing date Title
CN105312013A Supporting method for catalyst inside heat exchange tubes of shell and tube reactor
CN105271619A Integrated biological aerated filter and sand filter building structure
CN105329868A Method for recycling ammonia and hydrogen from ammonia synthesizing tail gas
CN105254099A High-purity crystallization and salt-withdrawal process for coal chemical industry high-salinity waste water
CN104991590A Automatic temperature control system for large-scale boiling chlorination furnace
CN104958929A Inner baffling-type crystallization separator
CN104743748A High-concentration sewage treatment technology for refinery wastewater
CN104828860A Titanium tetrachloride gas condensate collection system and collection process
CN104785102A Energy-saving and efficient N2O and NOx removing process
CN104610058A Recycling technology for byproduct steam of dimethyl oxalate synthetic process
CN104567064A Energy-saving compression refrigeration method
CN104495757A System for removing low-temperature thermal energy generated during adsorption of SO3 from sulfuric acid production device
CN104341015A Pretreatment and heat recovery device and method for industrial ammonia containing wastewater
CN104229875A Improvement method of chlorination process titanium dioxide base material pulping and sand grinding classification process
CN104151122A Method for preparing isobutene by virtue of recycling C4 feedstock
CN104062994A Multifunctional formula automatic control method for titanium dioxide enveloping system
CN104033412A Device for discharging liquid in inlet separator of refrigerant compressor unit
CN103881784A Method for processing and recycling lignite upgrading tail gas
CN103787814A Low-hydrocarbon intercooled solvent washing separation method
CN103537112A Method for recovering water from hot carrier gas for lignite drying