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QINGDAO SRI TECH CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    121,325
  • Filing trend
    ⇩ 66.0%
About

QINGDAO SRI TECH CO LTD has a total of 14 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 2014. It filed its patents most often in China, United States and EPO (European Patent Office). Its main competitors in its focus markets transport and measurement are CUSHION COUPLER CORP, KNORR BREMSE KG and PAVIA NICOLA.

Patent filings per year

Chart showing QINGDAO SRI TECH CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Measurement

Top inventors

# Name Total Patents
#1 Liu Hui 8
#2 Chen Kai 8
#3 Zhao Hai 4
#4 Liu Quan 3
#5 Hu Miao 2
#6 Sai Huasong 2
#7 Zhang Xin 2
#8 Zhang Zhenchao 2
#9 Lu Jinchang 2
#10 Li Peishu 2

Latest patents

Publication Filing date Title
CN107554513A Calibration module, control system, calibration method and control method
CN107697056A Track train braking control system and control method
CN107499300A Multichannel pre-control relay valve
CN107161132A A kind of passenger train electro pneumatic braking system and alleviation method
CN107128325A Rubber nodal point
CN107063662A Tread units brake pilot system
WO2017054476A1 Vertical support device utilizing spring for coupler
US2015008208A1 Compact buffer having overload protection