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BEIJING LEWEN TECH DEVELOPMENT CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    149,240
About

BEIJING LEWEN TECH DEVELOPMENT CO LTD has a total of 11 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, surface technology and coating and chemical engineering are UNITED LABORATORIES INTERNATIONAL LLC, JINAN RUIDONG IND CO LTD and OTI GREENTECH GROUP AG.

Patent filings in countries

World map showing BEIJING LEWEN TECH DEVELOPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing BEIJING LEWEN TECH DEVELOPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhuang Suoliang 11

Latest patents

Publication Filing date Title
CN112176348A Water-soluble corrosion inhibitor and preparation method thereof
CN111545034A Hydrogen sulfide cleaning deodorant and preparation and use methods thereof
CN111545530A Oil refining device shutdown oil removal cleaning method
CN111394129A Scale inhibitor for hydrogenation unit raw material and preparation method thereof
CN111394128A Oil slurry scale inhibitor of catalytic cracking unit and preparation method thereof
CN109678261A One kind plus hydrogen anti-incrustation corrosion inhibitor and preparation method thereof
CN109762677A A kind of high-speed rail cleaning agent and preparation method thereof
CN109082295A A kind of burnt liquid receipts of suppression increase income agent and preparation method thereof
CN109111952A Inhibition anti-coking agent and preparation method thereof for furfural extraction unit
CN109234051A For removing the gas phase cleaning agent and its application method of ferrous sulfide in oil refining apparatus
CN108611646A A kind of ferrous sulfide Cleaning and Passivation agent