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LUOFU VALVE GROUP CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    145,747
  • Filing trend
    ⇩ 100.0%
About

LUOFU VALVE GROUP CO LTD has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets mechanical elements, measurement and chemical engineering are WENZHOU RES INST OF BEIHANG UNIV, SHANGHAI VALVE FACTORY CO LTD and ENVIROTECH PRODUCTS LTD.

Patent filings in countries

World map showing LUOFU VALVE GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing LUOFU VALVE GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Haiqian 12
#2 Guo Xinfan 12
#3 Lin Jianming 12
#4 Zhou Zhiyou 12
#5 Feng Junxu 12
#6 Zhang Leilei 12
#7 Guo Xince 11
#8 Wei Naiyue 11
#9 Hu Dongqing 11
#10 Wu Qi 11

Latest patents

Publication Filing date Title
CN111780965A Breather valve ventilation test device and method
CN111734860A Pilot operated safety valve with isolation air chamber
CN111735588A Delivery test device and method for breather valve
CN111721525A Pilot valve performance test device and test method
CN111734859A Liquid phase medium full-open type safety valve
CN111734858A Ultrahigh-performance steam safety valve
CN110822107A High-temperature-resistant pilot operated safety valve
CN110848432A Back pressure preventing protrusive pilot valve structure
CN110848431A Double-sealing spring type safety valve
CN107366766A Double control angie type safety valve
CN107355573A Double control run-in index safety valve
CN105299275A Spring type safety valve