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HEYE SPECIAL STEEL CO LTD

Overview
  • Total Patents
    42
  • GoodIP Patent Rank
    46,370
  • Filing trend
    ⇧ 33.0%
About

HEYE SPECIAL STEEL CO LTD has a total of 42 patent applications. It increased the IP activity by 33.0%. 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 materials and metallurgy, machine tools and environmental technology are EDELSTAHL WITTEN KREFELD GMBH, UDDEHOLM TOOLING AB and JIANGSU JINGAN AGRICULTURAL EQUIPMENT CO LTD.

Patent filings in countries

World map showing HEYE SPECIAL STEEL CO LTDs patent filings in countries

Patent filings per year

Chart showing HEYE SPECIAL STEEL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Lizhi 13
#2 Li Xiaoming 12
#3 Mi Yongwang 12
#4 Kuang Chunjiang 9
#5 Fang Yucheng 9
#6 Xie Zhibin 8
#7 Shao Qingli 8
#8 Li Dong 8
#9 Zhang Zhanpu 8
#10 Sun Zonglin 7

Latest patents

Publication Filing date Title
CN112280989A Method for preparing steel ingot of tool and die steel through double-electrode electroslag remelting and electroslag remelting device
CN111850391A High-speed steel for screw punch and preparation method thereof
CN111647812A Special steel for rolling roller blank and preparation method thereof
CN111650017A Method for detecting content of residual austenite in high-alloy tool steel
CN111074135A Special corrosion-resistant wear-resistant tool steel for preparing screw rod in rubber and plastic machinery, preparation method thereof and screw rod for rubber and plastic machinery
CN110408844A A kind of wood cutter mould steel and its manufacturing method
CN110257601A The secondary ultra-soft spheroidizing method of high speed steel
CN110238214A A kind of high speed steel temperature pulls out technique
CN110257712A A kind of Cutting free knife handle special-purpose steel and preparation method
CN110205562A A kind of mould steel and preparation method thereof
CN110125408A High alloy mould steel hollow steel ingot injection molding method and hollow steel ingot and high alloy mould steel hollow bloom preparation method
CN110153186A High alloy mould steel hollow bloom preparation method and high alloy mould steel hollow bloom and tubing and annular cutter
CN109763077A Hard high-wearing feature high-speed steel and preparation method thereof
CN109405539A Annular furnace daubing method and annular furnace furnace bottom and annular furnace
CN108411220A High vanadium abrasion-resistant stee of high-carbon and preparation method thereof
CN108315664A Thread rolling plate material and preparation method thereof
CN108103288A Seamless steel pipe is with the preparation method of plug and seamless steel pipe plug
CN108048743A 3V grades of high-performance hobboing cutter high-speed steel and preparation method thereof
CN108018500A It is cold and hot to double as mould steel and its manufacturing process
CN104878300A Spray-forming high-ductility tool steel