Zengli Yang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Oil-reserving piston ring
- Patent number 8,827,277
- Issue date Sep 9, 2014
- Zengli Yang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Ultra-expansion four-stroke internal combustion engine
- Patent number 7,438,025
- Issue date Oct 21, 2008
- Zengli Yang
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR REALIZING VARIABLE COMPRESSION RATIO AND VARIABLE AIR-FU...
- Publication number 20170145941
- Publication date May 25, 2017
- Zengli Yang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
OIL-RESERVING PISTON RING
- Publication number 20130147124
- Publication date Jun 13, 2013
- Zengli Yang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Ultra-Expansion Four-Stroke Internal Combustion Engine
- Publication number 20070227471
- Publication date Oct 4, 2007
- Zengli Yang
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...