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YANG ZENGLI

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    206,422
About

YANG ZENGLI has a total of 19 patent applications. Its first patent ever was published in 1989. It filed its patents most often in WIPO (World Intellectual Property Organization), China and EPO (European Patent Office). Its main competitors in its focus markets engines, pumps and turbines, environmental technology and mechanical elements are BRIGHT ACCELERATION TECH LLC, ENGINEERED PROPULSION SYSTEMS INC and FITZGERALD JOHN W.

Patent filings per year

Chart showing YANG ZENGLIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Zengli 18
#2 Zengli Yang 1

Latest patents

Publication Filing date Title
US2017145941A1 Method for realizing variable compression ratio and variable air-fuel ratio of internal combustion engine
WO2014205809A1 Variable compression ratio and variable air-fuel ratio method for internal combustion engine
EP2607675A1 Oil-reserving piston ring
EP1760288A1 Ultra-expansion four-stroke internal combustion engine
CN1934341A Method for making internal combustion engine super expansion working and low-temperature exhausting and reciprocating circulating internal combusion engine
WO2005100761A1 Method of powering in super expansion rate and exhausting in low temperature for internal combustion engine and reciprocating internal combustion engine
CN1050439A Belted electronic balance ratio distribution and device thereof