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Zhejiang petrochemical valve co ltd

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    107,101
  • Filing trend
    ⇧ 300.0%
About

Zhejiang petrochemical valve co ltd has a total of 26 patent applications. It increased the IP activity by 300.0%. Its first patent ever was published in 2010. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, machine tools and machines are JDV CONTROL VALVES CO LTD, WUXI CHUANGJIE AUTO PARTS CO LTD and Zhejiang youan gaoke fire fighting system co ltd.

Patent filings in countries

World map showing Zhejiang petrochemical valve co ltds patent filings in countries

Patent filings per year

Chart showing Zhejiang petrochemical valve co ltds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Zhongyuan 16
#2 Nan Fei 15
#3 Su Jingpan 12
#4 Jin Hu 12
#5 Wu Huaimin 11
#6 Huang Meilin 10
#7 Xiang Guangwu 10
#8 Xue Hongquan 9
#9 Li Yongxi 8
#10 Xiang Wei 7

Latest patents

Publication Filing date Title
CN111237532A Expanding type metal sealing valve and driving device thereof
CN110806313A Cold and hot alternation detection method for high-temperature high-pressure wear-resistant ball valve
CN110274046A A kind of wear-resisting sphere and its processing technology
CN110319229A The processing technology of hard seal ball valve and double spherical surface valve seats with double spherical surface valve seats
CN108843795A A kind of superhigh temperature butterfly valve with water-cooling structure
CN108843798A A kind of superhigh temperature butterfly valve
CN108561623A The valve rod dual-cooled structure of high temperature valve
CN108500297A High-temperature bellow four way ball valve annular groove processing tool
CN107013685A A kind of liquid-operated corner type anti-friction valve and its wear resistant processing method
CN105972234A Opening type spherical surface sluice valve and special processing technology thereof
CN105333168A Manufacturing method of combined ball clack for high-pressure double-valve-seat track ball valve
CN104728467A Plunger type high-temperature mixing valve
CN104595556A Ultrafast-opening stop valve and method for opening and closing stop valve
CN104315162A Fast lifting type hard sealing plug valve
CN103375604A Superhigh temperature rigidity seal ball valve
CN103115161A Pipeline plug valve
CN102788692A Thermal state seal test device of superhigh temperature hot valve
CN102785159A Grinding device for stopcock
CN102563094A Ultrahigh-temperature pneumatic shutoff valve
CN102537395A Electric isolating valve