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HANGZHOU CHUNJIANG VALVE CO

Overview
  • Total Patents
    43
  • GoodIP Patent Rank
    63,017
  • Filing trend
    ⇩ 25.0%
About

HANGZHOU CHUNJIANG VALVE CO has a total of 43 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements and control are KAIRUITE VALVE CO LTD, TIANJIN JINGWO VALVE TECHNOLOGY CO LTD and SUZHOU JUHAN VALVE CO LTD.

Patent filings in countries

World map showing HANGZHOU CHUNJIANG VALVE COs patent filings in countries
# Country Total Patents
#1 China 43

Patent filings per year

Chart showing HANGZHOU CHUNJIANG VALVE COs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Chai Weimin 34
#2 Chen Yongxin 32
#3 Yongxin Chen 9
#4 Weimin Chai 7
#5 Zhou Yunzhong 5
#6 Zhao Chenqi 5
#7 Lu Yuanhang 5
#8 Chai Lu 5
#9 Wang Liping 3
#10 Zhang Xuegen 3

Latest patents

Publication Filing date Title
CN110630813A Mute check valve device with sewage discharge function
CN110822143A Constant flow combined valve
CN110822144A Constant flow valve
CN110822158A Self-operated oblique angle valve
CN110822146A Constant-differential pressure reducing valve for stabilizing flow of regulating valve
CN108916438A Sphere speed governing valve
CN108916437A Self-operated type ball valve
CN108916439A Flow automatic control ball valve and flow automatic control method
CN108087611A A kind of Depressure valve of output pressure response traffic variation
CN108223867A A kind of Depressure valve
CN108050281A Variable output pressure depressurized system
CN108227480A A kind of variable output pressure pressure reducing valve closed-loop control system
CN106764005A For the multifunctional composite high speed exhaust intake valve of tilted tube
CN106594345A Magnetic suspension exhaust valve
CN106257122A Novel combined high speed exhaust intake valve
CN106247002A Anti-freezing water hammer-resistant combined high-speed aerofluxus intake valve
CN105987207A Pressure relief type backflow prevention device with tiny resistance
CN105370924A Side valve type decompression backflow preventer
CN105402451A Low-noise pressure reducing valve
CN104315212A Pressure reducing valve with cutoff valve