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CHENGDU LEEJUN IND CO LTD

Overview
  • Total Patents
    70
  • GoodIP Patent Rank
    40,634
  • Filing trend
    ⇩ 66.0%
About

CHENGDU LEEJUN IND CO LTD has a total of 70 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 2008. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, chemical engineering and materials and metallurgy are IB Operations Pty Ltd, LESHE GMBKH and BROWN DAVID K.

Patent filings in countries

World map showing CHENGDU LEEJUN IND CO LTDs patent filings in countries

Patent filings per year

Chart showing CHENGDU LEEJUN IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Zhiping 60
#2 He Yamin 59
#3 Wei Yong 47
#4 Ding Yazhuo 13
#5 Yong Wei 10
#6 Yamin He 10
#7 Zhiping Xu 9
#8 He Yaming 1

Latest patents

Publication Filing date Title
CN112143882A Raw material suspension preheating magnetizing roasting system and process
CN112221658A All-particle-level feeding and crushing system and method for high-pressure grinding of hard rocks
CN112210660A Iron concentrate powder prepressing-roller grinding system and method
CN111921681A Cement grinding system and method
CN111876588A Magnetizing roasting furnace and magnetizing roasting method
WO2021017515A1 Cement clinker grinding implementation equipment, stirring device thereof and cement grinding system
CN111420753A Stud type roller edge protection structure of roller press
CN110882841A Tandem type double-grading magnetic separator and magnetic ore dry grinding and sorting system
CN110947496A Magnetic ore dry grinding and sorting system
CN110882840A Stacked double-classification magnetic separator and magnetic ore dry grinding and sorting system
CN110449246A A kind of pair of mineral carry out selective milling, the method for sorting and implementation equipment
CN110385175A One kind can quantity-produced cement grog grinding implementation equipment
CN110449226A A kind of cement grog grinding implements equipment and its agitating device
CN111375543A V-shaped powder concentrator
CN109611448A A kind of adjusting center sliding bearing
CN107812561A A kind of high pressure roller scattering and grading closed-circuit grinding environment friendly system
CN107899723A A kind of slag solid waste high pressure roller grinding magnetic separation process method
CN107962341A A kind of online restorative procedure of roll surface of roller press
CN107866306A A kind of stud formula Roller of High and its production method
CN107497543A A kind of inserted-blade type side shield wearing piece