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HUNAN ZHENCHUANG ENVIRONMENTAL PROTECTION TECH CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    123,023
  • Filing trend
    ⇩ 55.0%
About

HUNAN ZHENCHUANG ENVIRONMENTAL PROTECTION TECH CO LTD has a total of 14 patent applications. It decreased the IP activity by 55.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, electrical machinery and energy and mechanical elements are WISA BV, YU WENDI and SANIVAC VAKUUMTECHNIK GMBH.

Patent filings in countries

World map showing HUNAN ZHENCHUANG ENVIRONMENTAL PROTECTION TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Yang Guihua 13
#2 Zhao Hailong 10
#3 Liu Yuqi 9
#4 Long Xixin 5
#5 Yu Linyan 3
#6 Tang Bin 2
#7 Li Zhimin 2
#8 Wang Jianpeng 2
#9 Cui Yifan 1
#10 Zhao Jianxin 1

Latest patents

Publication Filing date Title
CN109973697A Passive Schmidt's vacuum sewerage valve
CN109216105A Schmidt's pilot-controlled switch
CN109300736A Suspension release weight device
CN109216059A Lever and cam switchs driving clamping device
CN109399210A Liquid buoyancy transports weight drop device
CN107938785A A kind of vacuum toilet seat
CN107939082A A kind of mobile vacuum lavatory
CN107975128A A kind of Passive Shape Control device in low-pressure drainage system
CN107938824A A kind of remote vacuum high speed water discharge method
CN107989150A A kind of remote vacuum high speed drainage system
CN108006260A A kind of vacuum pipe clip valve being applied in vacuum system and its control method
CN107939081A A kind of manufacture method of mobile vacuum lavatory
CN107447837A With the quick low-pressure drainage system and water discharge method for opening passive vacuum blowoff valve
CN107314149A The passive vacuum water discharge method and passive vacuum draining, blowoff valve device that fast can be opened