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SHANDONG AUTOMOBILE SPRING FACTORY ZIBO CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    93,755
  • Filing trend
    ⇩ 16.0%
About

SHANDONG AUTOMOBILE SPRING FACTORY ZIBO CO LTD has a total of 18 patent applications. It decreased the IP activity by 16.0%. Its first patent ever was published in 2017. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets materials and metallurgy, machine tools and transport are EASYFORMING STEEL TECH CO LTD, FEDCHUN VLADIMIR A and XINGHUA SPECIAL STAINLESS STEEL INST OF SHANGHAI UNIVERSITY.

Patent filings in countries

World map showing SHANDONG AUTOMOBILE SPRING FACTORY ZIBO CO LTDs patent filings in countries

Patent filings per year

Chart showing SHANDONG AUTOMOBILE SPRING FACTORY ZIBO CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Feng Yisheng 11
#2 Wang Zhenghong 7
#3 Xu Jinbing 6
#4 Zhang Yunshan 6
#5 Cheng Xiang 5
#6 Liu Huanbao 5
#7 Hao Guangxi 5
#8 Shan Xiaowei 3
#9 Feng Simon Yisheng 3
#10 Zhang Zhongzhi 2

Latest patents

Publication Filing date Title
CN112008339A Machining process for microalloying machining and strengthening U-shaped bolt
CN110846481A Device and method for preparing isolated plate spring steel sheet
CN110684889A Valve spring preparation device and method
CN110699528A Novel spring steel plate preparation method
CN110682756A Active rigidity-adjustable air suspension device
CN110843447A Active variable rigidity mechanical suspension device
CN110068457A Leaf spring performance determines fulcrum away from detection fixture
CN108994738A Double ball blast surface strengthening technologies
CN108746353A Leaf end orthopedic systems and shaping methods
CN107716720A Side composite die is squeezed in leaf spring briquetting
CN107661921A Re Chong centers punch die on leaf spring hot rolling production line
CN107824620A The quick cooling technique of hot rolling film-making and equipment
CN107723446A Pour in formula quenching technical and quenching apparatus
CN107557671A Microalloying spring steel and preparation method thereof
CN107587079A Nitrogenous microalloying spring steel and preparation method thereof