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LI WENMEI

Overview
  • Total Patents
    16
  • GoodIP Patent Rank
    103,368
About

LI WENMEI has a total of 16 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machine tools and machines are JAPAN DRILLING CO LTD, BRANDENBERGER ERNST and ENVENTURE GLOBAL TECH INC.

Patent filings in countries

World map showing LI WENMEIs patent filings in countries
# Country Total Patents
#1 China 16

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 The Inventor Has Waived The Right To Be Cited 12
#2 Li Wenmei 1
#3 Ma Guangchang 1

Latest patents

Publication Filing date Title
CN111963066A Guide rail fixed nylon sliding block special for drilling equipment and use method thereof
CN111927318A Special liftable drill rod guide sleeve for drilling machine and method
CN111993604A Device and method for lifting drill boom by hydraulic pressure
CN111927313A Special deflection mechanism and method for drilling machine
CN111927300A Drilling machine adopting speed-adjustable power head and using method thereof
CN111927314A Drilling machine with deflection mechanism and using method thereof
CN111927299A Speed-adjustable power head special for drilling machine and use method thereof
CN111927328A Double-row chain special for lifting of drilling machine and using method thereof
CN111963069A Drilling equipment and method for fixing guide rail by adopting nylon sliding block
CN111764844A Equipment and method for driving drilling machine to lift by adopting double rows of chains
CN111927319A Drilling equipment and method adopting liftable drill rod guide sleeve
CN111927332A Hydraulic lifting drill boom and method
CN112008006A Pulling die for fins and using method
CN111940883A Adjustable welding device and using method
CN111940882A Welding device and double-station welding machine table
CN104288053A Infantile talcum powder