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CHINA RAILWAY CONSTRUCTION HEAVY INDUSTRY CO LTD

Overview
  • Total Patents
    493
  • GoodIP Patent Rank
    3,300
  • Filing trend
    ⇧ 90.0%
About

CHINA RAILWAY CONSTRUCTION HEAVY INDUSTRY CO LTD has a total of 493 patent applications. It increased the IP activity by 90.0%. Its first patent ever was published in 2011. It filed its patents most often in China, Russian Federation and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, mechanical elements and measurement are CHINA RAILWAY CONSTR HEAVY IND CORP LTD, China railway engineering equipment group co ltd and GTA MASCHINENSYSTEME GMBH.

Patent filings in countries

World map showing CHINA RAILWAY CONSTRUCTION HEAVY INDUSTRY CO LTDs patent filings in countries

Patent filings per year

Chart showing CHINA RAILWAY CONSTRUCTION HEAVY INDUSTRY CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Feixiang 328
#2 Cheng Yongliang 273
#3 Zheng Daqiao 201
#4 Peng Zhengyang 107
#5 Liu Zaizheng 82
#6 Luo Jianli 72
#7 He Qiping 39
#8 Tang Chongmao 34
#9 Ma Chengbiao 31
#10 Qin Nianwen 30

Latest patents

Publication Filing date Title
CN110081158A A kind of water casket cooling device
CN110107683A A kind of liquid level warning safety device
CN109987516A A kind of segment crane and segment crane Antisway Control System
CN109931079A Filling concrete vehicle
CN109826648A A kind of binocular pipe sheet assembling identifying system and its assembled recognition methods
CN109931078A Filling concrete vehicle and its folding arm
CN109917793A A kind of duct piece assembling machine obstacle-avoiding route planning method and device
CN109779659A Multi-arm shotcreting jumbo
CN109882215A A kind of automatic grasping system of duct piece assembling machine and automatically grab method
CN109910931A Magnetic suspension track inspection railcar
CN109915016A Drill jumbo and drill jumbo control method
CN109876507A Slurry balance shield device and dregs filter for slurry balance shield device
CN109779646A A kind of simulation tool changing device
CN109915176A A kind of tunnel support arch frame manufacturing system and production method
CN109915132A Cutting means and heading equipment
CN109763833A A kind of development machine and its central hob axial locking device
CN109910937A Draw chassis and tractor
CN109927610A Existing Railway Line tunnel defect synthetic detection vehicle
CN109946695A Lining quality of channel device and detection vehicle
CN109826562A Drill jumbo