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QINGDAO DOUBLESTAR TIRE IND CO LTD

Overview
  • Total Patents
    105
  • GoodIP Patent Rank
    14,596
  • Filing trend
    ⇩ 23.0%
About

QINGDAO DOUBLESTAR TIRE IND CO LTD has a total of 105 patent applications. It decreased the IP activity by 23.0%. Its first patent ever was published in 2009. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets transport, macromolecular chemistry and polymers and machines are HANKOOK TIRE & TECH CO LTD, CHENG SHIN RUBBER CHINA CO LTD and CHENG SHIN RUBBER XIAMEN IND LTD.

Patent filings in countries

World map showing QINGDAO DOUBLESTAR TIRE IND CO LTDs patent filings in countries

Patent filings per year

Chart showing QINGDAO DOUBLESTAR TIRE IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Yong 38
#2 Qi Shunqing 33
#3 Meng Zhaohong 29
#4 Song Meiqin 26
#5 Shi Caixia 26
#6 Zhai Mingrong 26
#7 An Fengyong 21
#8 Yu Shenghong 18
#9 Zhu Jianpeng 14
#10 Xing Zhengtao 13

Latest patents

Publication Filing date Title
CN112280127A Low-temperature-resistant and anti-wet-skid tire tread and preparation method thereof
CN111499936A Preparation method of corrugated protective layer of radial aircraft tire
CN111674071A Meridian aircraft tire forming process
CN111562052A Method for detecting static balance difference of aircraft tire
CN110843713A Automobile air-inlet grille device
CN110455558A Twin tyre installing mechanism and tire testing device for tire testing device
CN110372842A Non-inflatable tyre formula with fluorescent effect and preparation method thereof
CN110387070A Rubber composition and its mixing method with fluorescent effect
CN110217052A Heavy load radial tire
CN110171254A Steel wire carcass passenger tire sub-port structure
CN110271371A A kind of cord of full steel structure meridian passenger vehicle tyre carcass
CN110329007A A kind of carcass ply of steel wire carcass car tire
CN110194028A Steel wire carcass UHP tire and its manufacturing process
CN110281704A Steel wire carcass ST tire and its manufacturing process
CN110239283A Steel wire carcass HP tire and its manufacturing process
CN110329008A A kind of cord of full-steel radial ply tyres for passenger cars carcass
CN110281705A Steel wire carcass AT tire and its manufacturing process
CN110281703A Steel wire carcass MT tire and its manufacturing process
CN110194029A Steel wire carcass HT tire and its manufacturing process
CN110116580A All-steel load-bearing radial tubeless tyre