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QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO LTD

Overview
  • Total Patents
    61
  • GoodIP Patent Rank
    33,619
  • Filing trend
    ⇧ 160.0%
About

QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO LTD has a total of 61 patent applications. It increased the IP activity by 160.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets machines, environmental technology and packaging and shipping are NII KRUPNOGABARITNYKH SHIN, VNI K I OBORU SHINNOJ PROMY and MARANGONI RTS SPA.

Patent filings in countries

World map showing QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO LTDs patent filings in countries
# Country Total Patents
#1 China 61

Patent filings per year

Chart showing QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Peihua 27
#2 Xu Nannan 20
#3 Wang Huaiguo 19
#4 Sun He 16
#5 Meng Qinghua 15
#6 Liu Feng 12
#7 Lu Yonggao 8
#8 Yan Jianlong 7
#9 Ding Zhentang 7
#10 Yin Xiao 7

Latest patents

Publication Filing date Title
CN111634038A Tyre drum tyre forming machine and tyre drum transmission box transmission mechanism thereof
CN110696398A Novel vulcanizer frequency conversion manipulator
CN110641056A Balance type vulcanizing machine central mechanism and multi-mold vulcanizing machine
CN110641055A Flat-laying single-layer multi-mold vulcanizing machine
CN110481247A A kind of automobile flat tire emergency safety device
CN110281437A Double-layer vulcanizer
CN110053201A Overhead vulcanizing press
CN110053200A Flat belt vulcanizing press and its de- Pot devices
CN110053283A Sidewall plastics shield mechanism for stripping
CN109941051A Constant breadth cam bindiny mechanism and split type internal supporting body for tyre
CN109866558A A kind of Tire support body attachment device
CN109826844A A kind of rotary cylinder
CN109927326A Turn-up and turn-down device and tyre building machine with it
CN109703082A A kind of radial direction adding pressure type kiss-coating bogie wheel sulfurizing mould
CN109676982A Kiss-coating bogie wheel production line
CN109624280A Kiss-coating bogie wheel production system and its method for producing kiss-coating bogie wheel
CN109130269A Tyre vulcanizer
CN108908823A Product of rubber and plastic continuous process system and production method
CN109109236A Rubber product vulcanizing equipment and vulcanization process
CN108819304A Tyre vulcanization unit, tyre vulcanizer and sulfuration process containing it