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CHANGSHA KAIYUAN INSTR CO LTD

Overview
  • Total Patents
    298
  • GoodIP Patent Rank
    5,793
  • Filing trend
    ⇧ 7.0%
About

CHANGSHA KAIYUAN INSTR CO LTD has a total of 298 patent applications. It increased the IP activity by 7.0%. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets measurement, packaging and shipping and chemical engineering are STAALKAT INT BV, KRAEMER THILO and P&S TECH CO LTD.

Patent filings in countries

World map showing CHANGSHA KAIYUAN INSTR CO LTDs patent filings in countries
# Country Total Patents
#1 China 298

Patent filings per year

Chart showing CHANGSHA KAIYUAN INSTR CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Luo Jianwen 274
#2 Huang Feng 36
#3 Zhou Shuguang 26
#4 Li Jingya 21
#5 Liu Wei 20
#6 Zhou Lei 20
#7 Wu Mao 17
#8 Duan Weifeng 17
#9 Jianwen Luo 17
#10 Fu Jieqin 16

Latest patents

Publication Filing date Title
CN111929224A Method, device, equipment and storage medium for determining particle content in infrared pool detection
CN111929227A Switching method, device and equipment of infrared detection pool and storage medium
CN111929209A Gas component measuring method, device, equipment and readable storage medium
CN111707700A Full-automatic ash fusibility test system
CN111731594A Sample division packaging system
CN111856055A Feeding mechanism
CN111828749A Oxygen bomb and oxygen bomb air exhaust joint
CN111220560A Carbon nitrogen sulphur measuring equipment
CN111229761A Automatic cleaning device of crucible
CN111257273A Coal quality analyzer and coal quality detection circuit thereof
CN111137623A Chain type division device and division method
CN111141859A Analysis system and method for nitrogen element in fertilizer
CN111141857A Carbon-hydrogen nitrogen element analysis system and method based on chromatographic separation
CN111141696A System and method for analyzing carbon and sulfur in underground mine
CN111175343A Automatic oxygen bomb uncovering and covering device and oxygen bomb suitable for same
CN110697157A Sample division packaging system
CN110723559A Uncap pouring machine
CN110745731A Material elevator
CN110514684A A kind of Xray fluorescence spectrometer
CN110501474A A kind of online Moisture Meter