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CHENGDU GREAT WALL DEVELOPMENT TECH CO LTD

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    62,710
  • Filing trend
    ⇩ 75.0%
About

CHENGDU GREAT WALL DEVELOPMENT TECH CO LTD has a total of 26 patent applications. It decreased the IP activity by 75.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets telecommunications, measurement and computer technology are GRINAKER ELECTRONICS LTD, ZHUHAI ADVANCED ELECTRICAL CO LTD and LG PRODUCTS AB.

Patent filings in countries

World map showing CHENGDU GREAT WALL DEVELOPMENT TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 26

Patent filings per year

Chart showing CHENGDU GREAT WALL DEVELOPMENT TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yuan Kaiyang 4
#2 Zhong Zhilin 3
#3 Meng Lingxiang 3
#4 Luo Yong 2
#5 Wang Ke 2
#6 Pan Taoli 2
#7 Zhang Guangshuang 2
#8 Fan Xinyuan 2
#9 Yang Bo 2
#10 Yi Yangwei 2

Latest patents

Publication Filing date Title
CN112289170A Automatic lock lead sealing device
CN112290978A Carrier communication coupling circuit, ammeter and ammeter carrier communication system
CN112198349A Electric meter
CN112162859A Data processing method and device, computer readable medium and electronic equipment
CN112067891A Electric quantity metering circuit and ammeter
CN112068468A Closing control circuit and device of ammeter and ammeter
CN111999554A Zero line detection circuit, ammeter and zero line detection method
CN112013884A Metering device and method for determining jitter of metering data
CN111130599A Three-phase coupling circuit for carrier communication of power grid system
CN111049594A Noise absorption circuit, test method and ammeter
CN110968605A Method and device for searching curve data of electric meter
CN110932559A Power module of ammeter
CN110971271A Power grid test method and test system
CN111050351A LORA frequency band testing method and device
CN109788024A The high-performance distributed remote meter reading acquisition server solution of High Availabitity high concurrent
CN109960693A One kind being based on relevant database load curve storage method
CN109946553A Three-phase kilowatt-hour meter and its earth-fault detecting method
CN109946559A Three-phase and four-line ammeter and its fall zero curve detection circuit
CN109951369A System based on RS485
CN109946552A Single-phase electric meter and its earth-fault detecting method