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QINGDAO SODA ASH IND CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    191,243
  • Filing trend
    ⇩ 100.0%
About

QINGDAO SODA ASH IND CO LTD has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, organic fine chemistry and basic materials chemistry are TIANJIN YOUAI ENVIRONMENTAL PROTECTION TECH CO LTD, BEIJING JINDAYU ENVIRONMENT TECH CO LTD and EARTH RENEWAL GROUP LLC.

Patent filings in countries

World map showing QINGDAO SODA ASH IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing QINGDAO SODA ASH IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Zhiguo 6
#2 Yin Xiaochun 4
#3 Shi Xinping 4
#4 Yu Yingming 4
#5 Liu Xiaoli 3
#6 Zhao Jianguo 2
#7 Liu Weiwei 2
#8 Jingyou Li 2
#9 Song Changjie 2
#10 Dai Shanle 2

Latest patents

Publication Filing date Title
CN108084098A A kind of circulation utilization method of nigrosine iron cement
CN106743220A It is a kind of can self-lubricating plus grey conveying worm
CN105836765A Method for cleaning carbonating tower in production of sodium bicarbonate
CN104445289A Device for processing separation ashes employing liquid-phase hydration method
CN104528774A Liquid-phase hydration method separation ash treatment process
CN104591226A Circular production method for co-production of potassium sulfate, calcium chloride and baking soda
CN104713634A Lime discharging monitor
CN102786073A Method for preparing high-concentration calcium chloride solution by decomposing ammonium chloride with lime powder
CN102728200A Carbon absorption tower
CN102698585A Method for recyling carbon dioxide in boiler flue gas
CN102557364A Method for reducing chloride ions in white mud of ammonia-alkali factory
CN102445677A DCS current input clamping piece calibration device for supplying 24V direct current
CN101725788A Pipeline port extension distance regulating locator