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JI TENGFEI

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    147,179
About

JI TENGFEI has a total of 13 patent applications. Its first patent ever was published in 2006. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets engines, pumps and turbines and environmental technology are JACOBS VEHICLE SYSTEMS INC, DIESEL ENGINE RETARDERS INC and ENTEC CONSULTING GMBH.

Patent filings in countries

World map showing JI TENGFEIs patent filings in countries

Patent filings per year

Chart showing JI TENGFEIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ji Tengfei 13

Latest patents

Publication Filing date Title
CN111980811A Engine cylinder deactivation control method for reducing engine oil consumption
CN111502789A Combined camshaft of engine
CN111237025A Engine rocker arm capable of automatically opening and closing roller shaft lubricating oil hole
CN110925049A Device for improving pressure of lubricating oil in oil channel of engine and engine
CN110685768A Variable valve driving device of engine and engine
CN110080849A The camshaft and valve actuator of engine
CN109356730A A kind of changeable push rod engine brake apparatus
CN109113829A A kind of engine braking apparatus
CN108708791A A kind of cam slide formula engine braking apparatus
CN1924323A Composite gas inlet system for engine