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SICHUAN YIHENG MACHINERY MFG CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    149,724
About

SICHUAN YIHENG MACHINERY MFG CO LTD has a total of 11 patent applications. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, civil engineering and computer technology are SANDBERG CHRISTER PETER, CARS BEIJING RAILWAY EQUIPMENT TECH CO LTD and HADFIELD ROBERT A.

Patent filings in countries

World map showing SICHUAN YIHENG MACHINERY MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing SICHUAN YIHENG MACHINERY MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Yinfang 10
#2 Zhang Lijun 4
#3 Wu Weiwei 3
#4 He Weiqi 3
#5 Li Chuan 3
#6 Fan Xiaoping 3
#7 Wang Ping 2
#8 Zuo Lili 2
#9 Xu Jingmang 2
#10 Shen Jiaxin 2

Latest patents

Publication Filing date Title
CN110175429A A kind of manufacturing method and device of the compound railway frog of endurance
CN109487645A A kind of groove profile rail reinforced structure
CN109487642A Railway switch structure and rail system for rubber road junction
CN109112906A A kind of railway switch is with end structure and railway switch
CN109082950A A kind of wear-resisting steel fork core structure
CN109082602A A kind of steel alloy of excellent combination property and preparation method thereof
CN108942320A Backing plate drilling tool and hole-drilling system
CN108977630A A kind of 20Cr3MoWV Heat-Treatment of Steel method
CN109055689A A kind of 35CrMo Heat-Treatment of Steel method
CN104120350A High-performance alloy steel and manufacturing method thereof
CN103981778A High-strength alloy steel point rail and wing rail assembling type combined frog