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.
# | Industry | |
---|---|---|
#1 | Transport |
# | Technology | |
---|---|---|
#1 | Vehicle tyre repairing |
# | Name | Total Patents |
---|---|---|
#1 | Du Zhenglin | 11 |
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 |