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QINGDAO HUIERTONG COMMERCE & TRADE CO LTD

Overview
  • Total Patents
    99
About

QINGDAO HUIERTONG COMMERCE & TRADE CO LTD has a total of 99 patent applications. Its first patent ever was published in 2013. It filed its patents most often in China. Its main competitors in its focus markets macromolecular chemistry and polymers are KINGFA SCI TECH CO LTD, QINGDAO HAOEN MEDICAL CONSUMABLES CO LTD and CHINA ACADEMY OF PRINTING TECHNOLOGY.

Patent filings in countries

World map showing QINGDAO HUIERTONG COMMERCE & TRADE CO LTDs patent filings in countries
# Country Total Patents
#1 China 99

Patent filings per year

Chart showing QINGDAO HUIERTONG COMMERCE & TRADE CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Liu Shaolan 99

Latest patents

Publication Filing date Title
CN103695109A Energy-efficient engine lubricating oil
CN103695101A Trace lubricating oil for high-speed motor bearing
CN103666687A Low friction type lubricating oil
CN103666654A Engine lubricating oil
CN103695102A Antirust lubricating oil
CN103666652A Sound-proof turbine lubricating oil
CN103695108A Motor lubricating oil
CN103695104A Environment-friendly lubricating oil for vehicle
CN103666692A Synthetic lubricating oil for airplane
CN103695083A High-performance lubricant additive
CN103695107A Efficient cooling lubricating oil
CN103666690A Gear lubricating oil
CN103666688A Gear lubricating oil
CN103666691A High-speed motor bearing lubricating oil
CN103666686A Lubricating oil for long-acting type treadmill
CN103666689A Engine cleaning and sealing lubricating oil
CN103695106A High-efficiency antirust lubricating oil
CN103695103A Green lubricating oil for cold reduction of tubes
CN103695105A Antirust mechanical lubricating oil
CN103695084A Environment-friendly lubricating oil antiwear agent