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CHONGQING MUNICIPAL DRAINAGE CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    149,172
About

CHONGQING MUNICIPAL DRAINAGE CO LTD has a total of 11 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets civil engineering are BROERMANN RITA, JI UN YOUNG and SERMEKA OY.

Patent filings in countries

World map showing CHONGQING MUNICIPAL DRAINAGE CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

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

Focus industries

# Industry
#1 Civil engineering

Top inventors

# Name Total Patents
#1 Liu Shihu 11
#2 He Hua 8
#3 Yu Sheng 7
#4 Wang Zhengcheng 7
#5 Wu Luojia 6
#6 Xu Fan 6
#7 Gu Ping 4
#8 Tang Lili 4
#9 Mao Bolin 4
#10 He Rong 4

Latest patents

Publication Filing date Title
CN112282014A Safe sealed type drainage system
CN111074798A Telescopic steel box culvert bridging repair system
CN111074799A Steel box culvert repairing system of large-diameter box culvert
CN111042294A Large-diameter box culvert multi-pipeline bridging rush-repair system
CN109735273A A kind of flexible-epoxy class waterproof crack-filling agent and its preparation and application
CN109810496A Underwater movement crack repair materials
CN109734867A The preparation method of underwater movement crack repair materials
CN109765354A A kind of pond body crack repairing test pond
CN104045134A Dosing system
CN103821109A Water pool expansion joint water leakage repairing method
CN103822562A Chlorination contact pool expansion joint monitoring device