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HENAN ZHONGYUAN SPECIAL STEEL EQUIPMENT MFG CO LTD

Overview
  • Total Patents
    54
  • GoodIP Patent Rank
    27,518
  • Filing trend
    ⇧ 1600.0%
About

HENAN ZHONGYUAN SPECIAL STEEL EQUIPMENT MFG CO LTD has a total of 54 patent applications. It increased the IP activity by 1600.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy, machine tools and environmental technology are ZHONGYUAN SPECIAL STEEL CO LTD, FUSHUN SPECIAL STEEL SHARES CO LTD and PANGANG GROUP JIANGYOU CHANGCHENG SPECIAL STEEL CO LTD.

Patent filings in countries

World map showing HENAN ZHONGYUAN SPECIAL STEEL EQUIPMENT MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 54

Patent filings per year

Chart showing HENAN ZHONGYUAN SPECIAL STEEL EQUIPMENT MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gao Quande 12
#2 Ye Yujuan 9
#3 Zhang Kailiang 8
#4 Lei Chong 8
#5 Huang Kaiyuan 7
#6 Ren Liming 7
#7 Xue Zhengguo 6
#8 Li Zhanhua 6
#9 Wang Yiqun 6
#10 Xu Qun 6

Latest patents

Publication Filing date Title
CN112222542A Turning method of large-pitch sawtooth thread
CN112251611A Electroslag process for controlling surface wave defects of roller
CN112179303A Measuring method of magnetic powder standard test piece
CN111926153A Heat treatment process for improving coarse grain size of precipitation hardening stainless steel valve body
CN111889602A Upsetting plate for improving electroslag ingot forging roll yield and forging method
CN111647716A Electric arc furnace steelmaking batching process
CN111766171A G-type impact device Leeb hardness meter calibration tool and use method thereof
CN111705269A Low-silicon steel 27NiCrMoV15-6 and smelting continuous casting production process thereof
CN111745102A Forging method for forging nonmagnetic product by precision forging machine for improving compaction effect
CN111745120A Forging method of wind tunnel cannon driving section pipe body
CN111745101A Cake forging rounding forming forging method
CN111593186A Heat treatment process for improving impact power of stainless steel cylinder body for oil field
CN111621647A Smelting process for controlling aluminum increase at tail end of electroslag ingot in electroslag remelting process
CN111496155A Forging method for enhancing compaction effect of 42CrMo continuous casting billet
CN111451435A Forging control method for large-size step shaft part
CN111250641A Forging method of H13 steel vertical continuous casting round billet
CN111230013A Forging method of high-purity niobium rod
CN111250640A Hot working method of large-diameter refined hot work die steel forging
CN111004961A Hot work die steel H13 and continuous casting production process thereof
CN111118409A Low-carbon martensitic stainless steel for valve box and smelting method thereof