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NANJING WEIFU JINNING CO LTD

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    79,465
  • Filing trend
    ⇩ 33.0%
About

NANJING WEIFU JINNING CO LTD has a total of 24 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets engines, pumps and turbines, materials and metallurgy and machine tools are NAAMLOOZE VENNOOTSCHAP APPINGE, KAMTEC INC and PIERBURG GMBH & CO KG.

Patent filings in countries

World map showing NANJING WEIFU JINNING CO LTDs patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

Chart showing NANJING WEIFU JINNING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wu Guowei 13
#2 Zhang Zhenting 10
#3 Lu Yewu 4
#4 Liu Huayong 3
#5 He Bin 3
#6 Wang Wei 2
#7 Liu Manfei 2
#8 Ma Chunyan 2
#9 Wang Qi 2
#10 Sun Yingying 2

Latest patents

Publication Filing date Title
CN111828307A Pump body structure of internal gear pump and assembly process thereof
CN111411202A Machining process for increasing surface compressive stress depth of roller
CN111546240A Process for improving cleanliness of sliding vane rotor
CN110939564A High-pressure gear pump and installation and working method thereof
CN110671249A Distribution pump plunger with oil outlet valve and working method thereof
CN110645127A VE pump head component of single oil outlet valve and use method
CN110671251A VE dispensing pump mechanical oil cut-off mechanism and oil cut-off method thereof
CN110159470A A kind of VE dispensing pump damping delivery valve and application method
CN109184847A A kind of engine compresses release braking valve control system and its working method
CN108194239A A kind of automatically controlled VE types dispensing pump and its flameout method
CN107420211A A kind of control method and system for position model electronic control dispensing pump
CN107044545A A kind of VE types dispensing pump oil return solenoid valve and its method of work
CN106968813A A kind of VE dispensing pumps governing system and its speed regulating method
CN106194439A A kind of VE type dispensing pump and speed regulator thereof and a kind of VE type dispensing pump dual spring negative correction mechanism
CN106150812A A kind of electric control VE dispensing pump oil return valve
CN106194536A A kind of automatically controlled VE oil pump feed timing control system
CN104500236A Pull rod returning mechanism
CN104595073A Processing method for piston-type fuel supply pump and oil outlet pipeline
CN104500235A Device for adjusting fuel quantity consistency of cylinders of multicylinder fuel injection pump
CN104199444A System and method for automated testing of oil quantity actuator