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HUNAN DACHEN ENVIRONMENTAL PROTECTION TECH CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    100,030
  • Filing trend
    ⇩ 30.0%
About

HUNAN DACHEN ENVIRONMENTAL PROTECTION TECH CO LTD has a total of 17 patent applications. It decreased the IP activity by 30.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, civil engineering and chemical engineering are GHALIB SAAD A, NANJING MUNICIPAL DESIGN AND RES INSTITUTE CO LTD and SUZHOU SISHANG ENVIRONMENTAL PROTECTION TECH CO LTD.

Patent filings in countries

World map showing HUNAN DACHEN ENVIRONMENTAL PROTECTION TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing HUNAN DACHEN ENVIRONMENTAL PROTECTION TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tang Ningyuan 17
#2 Ruan Jianhua 16
#3 Wang Liangzhu 12
#4 Li Xiantao 10
#5 Li Jin 6
#6 Zhou Shan 6
#7 Zhou Tengyao 5
#8 Xiong Jing 5
#9 Huang Rong 5
#10 Ning Jing 5

Latest patents

Publication Filing date Title
CN109293176A DMF low-pressure distillation recycling column overhead wastewater treatment method and system in film production
CN109320029A Liquor production wastewater processing method and system
CN109293083A Acid washing phosphorization wastewater treatment method and system
CN109455883A Livestock breeding wastewater processing method and system
CN109264939A The processing method and system of Lithium Battery Industry production waste water
CN109098255A Bridge floor initial rainwater collection processing method and system
CN108311153A Load the magnetic bio carbon composite photocatalyst and preparation method thereof of nanoscale ZnO
CN107954578A The Demonstration for Ecological Sanitation method of highway rainfall runoff is cut down in purification
CN107963786A A kind of sewage water treatment method and system
CN107882149A Sponge urban road storm-collector system constituting method
CN107761907A A kind of sponge urban cells rainwater-collecting purifies ecological utilization method and the system of regulating and storing
CN107915376A A kind of sewerage integrated processing method of microkinetic
CN107721101A A kind of microkinetic sewage integrated treatment equipment
CN107673571A DMF comprehensive treatment method for wastewater and system in a kind of film production
CN107628731A Strengthen runoff pollution ecology minimizing technology and roof garden in a kind of roof garden
CN107759015A Sponge city multistage Rain Garden strengthens the method and structure that runoff pollution removes
CN107381795A A kind of modularization can be combined without aeration aerobic biochemical method of wastewater treatment and system