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LI DONGJU

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    232,665
About

LI DONGJU has a total of 11 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 machine tools, chemical engineering and mechanical elements are HUANGSHI CHENGDA PREC MACHINERY MFG CO LTD, SUZHOU WEIRUIDA MACHINERY TECHNOLOGY CO LTD and RICHARDS MICRO TOOL CO.

Patent filings in countries

World map showing LI DONGJUs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing LI DONGJUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Dongju 11
#2 Li Hongwei 10
#3 Zhang Xing 10

Latest patents

Publication Filing date Title
CN112277900A Brake device for automobile brake system
CN103639873A Mechanical arm of universal grinder special for nuclear power bearing ring machining
CN103639901A Cutting fluid circulation system of universal grinder special for machining nuclear power bearing rings
CN103639892A Support assembly of universal grinder special for machining nuclear power bearing rings
CN103639874A Magnetic pole of universal grinding machine special for nuclear power bearing ring machining
CN103659567A Ultra-precision machine special for machining nuclear power bearing rings
CN103639898A Point trimmer of universal grinding machine special for nuclear power bearing ring machining
CN103639899A Mixed dresser of universal grinding machine special for nuclear power bearing ring machining
CN103659607A Diamond roller dresser of universal grinder special for machining nuclear power bearing rings
CN103639875A Universal grinder special for nuclear power bearing outer race machining
CN103639872A Universal grinding machine special for nuclear power bearing inner race machining