Learn more

WEICHAI POWER CO LTD

Overview
  • Total Patents
    3,044
  • GoodIP Patent Rank
    619
  • Filing trend
    ⇧ 66.0%
About

WEICHAI POWER CO LTD has a total of 3,044 patent applications. It increased the IP activity by 66.0%. Its first patent ever was published in 2005. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, engines, pumps and turbines and transport are CUMMINS INC, FEV GMBH and ISUZU MOTORS LTD.

Patent filings per year

Chart showing WEICHAI POWER CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cao Shi 80
#2 Han Erliang 76
#3 Qin Tao 69
#4 Liu Xingyi 66
#5 Wang Fengshuang 64
#6 Wang Yibao 63
#7 Dai Ziyang 59
#8 Zhang Chengguo 55
#9 Liu Xinkui 54
#10 Li Zhijie 53

Latest patents

Publication Filing date Title
CN112196662A Combustion chamber and gas engine
CN112196661A Combustion chamber and gas engine
CN112211715A Combustion chamber and gas engine
CN112222834A Machining and assembling method of split crankcase
CN112196647A Urea mixer, SCR system, vehicle and control method
CN112283340A Control method and device of electromagnetic valve, controller and vehicle
CN112282895A Oil-gas separator, control method, electronic control unit and oil-gas separation system
CN112283339A Gear processing method, gear processing device, gear processing equipment and computer readable storage medium
CN112260368A Power supply control method, device, equipment and storage medium
CN112102523A Poor-quality gas station identification method and device, server and Internet of vehicles system
CN112277925A Vehicle speed adjusting method and device and electronic equipment
CN112282953A Engine air inlet fault determination method, device, equipment and storage medium
CN112282954A Method and equipment for detecting cheating fault of nitrogen-oxygen sensor
CN112282909A Engine exhaust system, control method thereof and engine
CN112257163A Air-space-ground integrated road engineering earthwork construction intelligent dispatching command system and method
CN112282952A Engine combustion fault determination method and device
CN111997769A EGR control method and device and engine system
CN112283000A Method and device for detecting internal leakage of fuel gas injection valve of engine
CN112160976A Connecting rod assembly and engine
CN112282951A Injection valve processing method and device