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WUHAN HEAVY IND CASTING & FORGING CO LTD

Overview
  • Total Patents
    102
  • GoodIP Patent Rank
    20,885
  • Filing trend
    ⇧ 133.0%
About

WUHAN HEAVY IND CASTING & FORGING CO LTD has a total of 102 patent applications. It increased the IP activity by 133.0%. Its first patent ever was published in 2006. It filed its patents most often in China. Its main competitors in its focus markets machine tools, materials and metallurgy and environmental technology are WUXI HTC HEAVY INDUSTRY LTD BY SHARE LTD, LIUZHOU KEERTE FORGING MACHINERY CO LTD and JIANLONG BEIMAN SPECIAL CO LTD.

Patent filings in countries

World map showing WUHAN HEAVY IND CASTING & FORGING CO LTDs patent filings in countries
# Country Total Patents
#1 China 102

Patent filings per year

Chart showing WUHAN HEAVY IND CASTING & FORGING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Chengfeng 29
#2 Xiong Wu 28
#3 Huang Yongqiang 25
#4 Zou Quan 21
#5 Yu Haijuan 19
#6 Pan Xiaofei 16
#7 Lin Chen 15
#8 Liu Guoping 14
#9 Chen Fei 14
#10 Tang Jingjing 13

Latest patents

Publication Filing date Title
CN112172235A Adjustable stroke brake device of hot die forging press
CN111992747A Deep hole internal thread machining boring rod and method for machining deep hole threads by adopting boring rod
CN112139417A Forging forming method of super-large deep blind hole shell
CN112091149A Lever material ejecting device of hot die forging press
CN111947454A Semi-closed protection method for gear ring of large rotary furnace
CN111912219A External heating type rotary furnace jacket sealing method for compression spring
CN111634058A Locking device for adjusting closed height of externally-hung hot die forging press and locking and unlocking method
CN110902550A Special lifting appliance for heat treatment of shell-like forge piece and lifting method
CN110983200A Process for medium-carbon chromium-nickel-molybdenum-vanadium steel forging with high strength and impact toughness
CN111057824A Increase medium carbon CrNi3Heat treatment process for grain size of Mo material forging
CN110643905A Heat treatment method for large-diameter high-carbon chromium stainless steel forging with uniformly distributed pearlite
CN110640066A Hydraulic ejection lever type clamping device of mold and clamping and mold changing method
CN110421186A The method for correcting the elongated deep hole deflection of boring
CN110406156A A kind of drop-down Wedge-type hydraulic clamp of mold and clamping, die exchange
CN110153285A For forming the mold of super pipeline heavy wall ozzle
CN110202082A Forge the mold and forging method of clutch floral disc forging
CN110328267A The method for forming super pipeline heavy wall ozzle
CN110195730A For forming the special-purpose hydraulic cylinder of super pipeline ozzle
CN109988983A A kind of heat treatment method after forging of CuAl10Fe5Ni5 copper alloy forging
CN109967672A A kind of forging method of CuAl10Fe5Ni5 copper alloy