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CHONGQING WEICHAI ENGINE CO LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    67,701
  • Filing trend
    ⇧ 50.0%
About

CHONGQING WEICHAI ENGINE CO LTD has a total of 24 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and mechanical elements are WARTSILA SWITZERLAND LTD, KAWAI KOUJI and LYCOMING ENGINES A DIVISION OF.

Patent filings in countries

World map showing CHONGQING WEICHAI ENGINE CO LTDs patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Shi Changping 8
#2 He Xiaofeng 7
#3 Zhang Guirong 5
#4 Zheng Xiaohua 5
#5 Tang Jing 4
#6 Duan Yanqiang 4
#7 Guo Qing 4
#8 Liu Zonghui 4
#9 Huang Xinxin 4
#10 Liu Zhigang 4

Latest patents

Publication Filing date Title
CN112177700A Tappet for offsetting valve clearance change
CN112253273A Variable timing cam follower and valve group and engine provided with same
CN112177701A Cam driven lubricating structure
CN112096479A Operating mechanism of variable valve
CN112012859A Oil supply advance angle adjusting method for mechanical monoblock pump, pre-stroke confirming structure and method
CN111927956A Crankcase front oil seal and assembly
CN111997771A Single-cylinder power automatic correction method of multi-point injection electronic control engine
CN111894758A Cylinder cover and internal combustion engine thereof
CN110939523A Fuel leakage alarm system and fuel system
CN111022208A High-efficient marine medium speed diesel engine cylinder liner cooling structure
CN110617169A Fuel oil cut-off control cylinder of high-power diesel engine
CN110593980A Camshaft structure capable of adjusting advance angle of oil supply
CN110594029A Fuel oil control device of high-power diesel engine and control method thereof
CN110593982A Cam molded line, cam applying molded line and diesel engine applying cam
CN110242435A A kind of cylinder cover for diesel engine
CN110043379A A kind of controller for gas, system, method and controller
CN110159442A A kind of control method, control device and control system
CN109813264A The method and device of measuring result error assessment
CN109520676A A kind of cylinder head air tight test device and its control system and operating method
CN109441681A A kind of latch fork type fuel delivery micromatic setting