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CHANGSHA WELL POINT ENVIRONMENT PROT SCIENCE & TECHNOLOGY CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    172,881
About

CHANGSHA WELL POINT ENVIRONMENT PROT SCIENCE & TECHNOLOGY CO LTD has a total of 12 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 environmental technology, civil engineering and mechanical elements are SENDA SHOHEI, JIANGSU JIANHUA CONCRETE PILE CO LTD and ZAPOROZHSKOE N PROIZV OB SOZDA.

Patent filings in countries

World map showing CHANGSHA WELL POINT ENVIRONMENT PROT SCIENCE & TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing CHANGSHA WELL POINT ENVIRONMENT PROT SCIENCE & TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Yang 12
#2 Gao Qingsong 8
#3 Shu Miao 7
#4 Song Dan 3
#5 Yi Hongxiang 3
#6 Zeng Lu 2
#7 Peng Sheng 2
#8 Li Juan 1
#9 Xiao Juan 1
#10 Lu Zhengliang 1

Latest patents

Publication Filing date Title
CN104801194A Ultra-filtration membrane pipe cleaning device
CN104436770A Pretreatment system and pretreatment method of leachate, in solid waste disposal site, before entering regulating pool
CN104214454A Connection structure for percolate drainage pipe and dam penetrating pipe of solid waste disposal site and construction method
CN104294848A Installation overhauling well at the connecting position between leachate guiding and discharging pipe and dam penetrating pipe and construction method thereof
CN104193038A Method for treating landfill leachate through combination of simulative Fenton reaction and ultrasonic as well as simulative Fenton-ultrasonic reactor
CN103848529A Reverse osmosis-based high-concentration sewage treatment method
CN103848464A Treatment method of low-temperature evaporation high-concentration sewage
CN103848463A Treatment device of low-temperature evaporation high-concentration sewage
CN103848479A Reverse osmosis device and reverse osmosis treatment system for treating high-concentration sewage
CN103711195A Rainwater and pollutant split-flow processing method and system for refuse landfill
CN103361262A Collection method and collection system for landfill biogas
CN102615096A Soil vacuum heater