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CHENGDU QIANJIA TECH CO LTD

Overview
  • Total Patents
    41
  • GoodIP Patent Rank
    37,443
  • Filing trend
    ⇩ 50.0%
About

CHENGDU QIANJIA TECH CO LTD has a total of 41 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2016. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets measurement, computer technology and control are BERGER ANDREAS, STREET SMART SENSORS LLC and DAE HAN INSTR CO LTD.

Patent filings in countries

World map showing CHENGDU QIANJIA TECH CO LTDs patent filings in countries

Patent filings per year

Chart showing CHENGDU QIANJIA TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Xun 19
#2 Zhao Yong 17
#3 Niu Fuzeng 14
#4 Zhang Bin 13
#5 Zhu Lian 9
#6 Li Zhonghua 8
#7 Jia Zhongyou 8
#8 Hu Yunhua 7
#9 Chang Guanyu 7
#10 Shen Liangwei 3

Latest patents

Publication Filing date Title
CN111814917A Character wheel image digital identification method with fuzzy state
CN112036727A Method for positioning risk degree of gas pipeline
CN111383428A Online meter state monitoring and early warning method and system
CN111651444A Self-adaptive time series data prediction method
CN111651935A Multi-dimensional expansion prediction method and device for non-stationary time series data
CN111652417A Automatic correction method and system for remote meter reading data
CN111597718A Method for designing flow channel of ultrasonic flowmeter or gas meter
CN111504359A Method and device for improving reliability of photoelectric coding
CN111311883A Gas alarm replacement early warning method and device and electronic equipment
CN111397681A Gas meter measuring system and method based on pulse counting and photoelectric direct reading
CN111537692A Correction method and device for signal lag of gas alarm caused by oil stain hole blockage
CN111579717A Breathing hole blockage detection method and device, readable medium and gas-sensitive alarm equipment
CN111256768A Ultrasonic flowmeter
CN111323100A Ultrasonic gas meter fault diagnosis system and method
CN111323101A Self-adaptive automatic calibration method for ultrasonic meter
CN111307234A Envelope curve-based ultrasonic flight time measuring method
CN111220222A Measuring algorithm for flow of ultrasonic gas meter
CN111089631A Device for collecting gas meter reading without magnetic sensing
CN111089849A System and method for preventing false alarm of NDIR alarm
CN110927095A Gas concentration detection method and system based on spectral energy density