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DU ZHENGLIN

Overview
  • Total Patents
    11
About

DU ZHENGLIN has a total of 11 patent applications. Its first patent ever was published in 2001. It filed its patents most often in China and Australia. Its main competitors in its focus markets transport are NAKAMURA KINYA, BARLOG and CHUKS HENRY.

Patent filings in countries

World map showing DU ZHENGLINs patent filings in countries
# Country Total Patents
#1 China 10
#2 Australia 1

Patent filings per year

Chart showing DU ZHENGLINs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport

Focus technologies

# Technology
#1 Vehicle tyre repairing

Top inventors

# Name Total Patents
#1 Du Zhenglin 11

Latest patents

Publication Filing date Title
CN104648052A Anti-explosion tire
CN104827826A Explosion-proof tire
CN101734104A Pricking-proof explosion-proof rubber ring inner tube
CN101643005A Rubber ring multi-cavity inner tire
CN101362419A Tyre tube
CN101428531A Non-aerated rubber loop inner tube and mounting method
CN104476985A Inflatable rubber ring inner-tube
AU1378802A A safety wheel with an annular track