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CRRC ZIYANG CO LTD

Overview
  • Total Patents
    169
  • GoodIP Patent Rank
    8,590
  • Filing trend
    ⇧ 44.0%
About

CRRC ZIYANG CO LTD has a total of 169 patent applications. It increased the IP activity by 44.0%. Its first patent ever was published in 2016. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets transport, environmental technology and electrical machinery and energy are VIVARAIL LTD, KUMAR AJITH KUTTANNAIR and CRRC DALIAN CO LTD.

Patent filings in countries

World map showing CRRC ZIYANG CO LTDs patent filings in countries

Patent filings per year

Chart showing CRRC ZIYANG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Peng Changfu 55
#2 Meng Yufa 51
#3 Li Lianfeng 46
#4 Long Xiaojun 40
#5 Li Ruhua 23
#6 Ye Dingkang 23
#7 Wang Pinghua 23
#8 Ji Qiang 21
#9 Liu Jun 20
#10 Zhao Surong 20

Latest patents

Publication Filing date Title
CN112172612A Control method for fuel cell and power cell hybrid power shunting locomotive
CN112061146A Low-floor tourism sightseeing train with toothed rail traction function
CN112061147A Take cogged rail traction function's tourism sightseeing train
CN112140054A Portable and rapid engine cam bearing bush dismounting tool
CN112140890A Control method for multi-branch power battery system of hybrid power locomotive
CN112091139A Combined die forging process and blank for automobile cross arm
CN111994099A Suspension type container transport vehicle driving gear box and driving device
CN111994054A Anti-slip automatic braking system and method for electric transmission rail engineering vehicle
CN111994100A Suspension type container transport vehicle wheel pair drive arrangement
CN111994132A Anti-slip alarm system and alarm control method for electric transmission rail engineering vehicle
CN111853213A Locomotive axle gear box with sealing structure
CN111806494A Suspension type freight air-iron secondary suspension system
CN111775976A Hybrid shunting locomotive control system based on four-quadrant rectification
CN111809007A Three-axle frame type running part of alignment tractor
CN111687404A Suspension device of counterpoint tractor
CN111804900A Shaft type counterpoint tractor of C0
CN111661095A Primary suspension device of suspension type freight air train
CN111674414A Foldable ladder with lock for locomotive
CN111674272A Wireless charging system and method for new energy rail locomotive vehicle
CN111674410A Main circuit topological structure of hybrid power locomotive of constant-speed generator set and power supply method