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CHENGDU DRAINAGE CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    123,706
  • Filing trend
    ⇧ 300.0%
About

CHENGDU DRAINAGE CO LTD has a total of 14 patent applications. It increased the IP activity by 300.0%. 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, measurement and chemical engineering are GULDAGER AS, TANAKA NORIAKI and QIAN HAIRONG.

Patent filings in countries

World map showing CHENGDU DRAINAGE CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing CHENGDU DRAINAGE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cao Jiahong 5
#2 Jiang Wei 4
#3 Xie Haiying 4
#4 Jiang Chen 4
#5 Guo Xianwen 4
#6 Li Yujiao 4
#7 Xiang Niannian 3
#8 Tong Ling 3
#9 He Tingdong 2
#10 Zhu Fuze 2

Latest patents

Publication Filing date Title
CN111664460A Automatic control operation control method for sludge incineration
CN111686568A Sludge incineration flue gas emission standard control system and method
CN111678118A Sludge incineration's thermodynamic system
CN110595589A Automatic identification weighing system of truck scale
CN110642136A Novel internal reflux pump hoisting device and method
CN110040795A A kind of grid waste-blocking position reason method
CN110203979A A kind of grid waste-blocking position reason system
CN110028115A The grid device of water amount and the grid decontamination system including this device can be increased
CN110186916A COD in a kind of water qualityCrMeasuring method
CN108535348A The assay method of adsorbable organic halogen in a kind of water
CN108519375A A method of measuring Sulfide in water with continuous flow method
CN108508005A A method of measuring anion surfactant in water with continuous flow method
CN108548811A A method of measuring volatile phenol in water with continuous flow method
CN107754394A A kind of slag-scraper of aerated grit chamber