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HENAN DIESEL ENGINE IND CO LTD

Overview
  • Total Patents
    239
  • GoodIP Patent Rank
    6,840
  • Filing trend
    ⇧ 17.0%
About

HENAN DIESEL ENGINE IND CO LTD has a total of 239 patent applications. It increased the IP activity by 17.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines, measurement and environmental technology are CHINA NORTH ENGINE INST (TIANJIN), HEBEI HUABEI DIESEL ENGINE CO LTD and MAN DIESEL AND TURBO FILIAL AF MAN DIESEL AND TURBO SE TYSKLAND.

Patent filings in countries

World map showing HENAN DIESEL ENGINE IND CO LTDs patent filings in countries
# Country Total Patents
#1 China 239

Patent filings per year

Chart showing HENAN DIESEL ENGINE IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ji Yonghui 28
#2 Ren Xiaohui 27
#3 Yang Xun 27
#4 Wang Liming 25
#5 Meng Lianghu 23
#6 Dong Feiying 22
#7 Nie Zhibin 18
#8 Wang Huan 18
#9 Huang Chaowei 17
#10 Zhang Xiaoyong 16

Latest patents

Publication Filing date Title
CN112253291A Method for controlling urea solution injection amount in diesel engine discharge process
CN112253290A SCR control system and method for marine engine tail gas treatment
CN112276145A Machining and positioning device and method for holes in opposite positions of two end faces of large slender shaft
CN112123247A Centering support part for engine bench test and using method
CN112251590A Tool for preventing crankshaft connecting rod shaft neck lightening hole medium frequency quenching cracks and using method
CN112065599A Engine monitoring auxiliary module for low-temperature environment power supply vehicle and use method
CN111896768A Supercharger rotating speed measuring device and method
CN111980840A Intake air heating system and method of V-shaped high-power diesel engine in low-temperature environment
CN111999066A Capacity expansion method and device for diesel generating set test bed load
CN112025204A Method for repairing embedded back hinge of ejector rod hole of machine body
CN111997790A Coke oven gas safe conveying method and system for internal combustion gas generator set
CN111852715A Starting mode of generator reverse dragging high-power diesel engine
CN112015127A Safety method and device for gas generator set machine room and application
CN111878201A Fixing device, SCR reaction device, use method and application
CN112039376A Control method of marine variable-speed variable-frequency diesel generator set
CN112033590A Method for measuring and controlling residual stress of connecting rod
CN111677607A Compact type air intake and exhaust system
CN111636944A Adjustable lubricating oil pressure adjusting device and pressure adjusting method
CN111648841A Multistage oil-gas separation method, application and device
CN111648897A Spraying test bench capable of flexibly adjusting angle and height of oil sprayer