P
PatentIndex
Search
Landscape
Sign in
Inventor
CHANG SHENGMING
US
2 patents
⚠️ This page may combine multiple inventors who share the name “CHANG SHENGMING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS INC
1 patent
US7389764B1
Jun 24, 2008
Low emissions diesel piston
GM GLOBAL TECH OPERATIONS INC
16 citations
77
CHANG SHENGMING
1 patent
US8555853B2
Oct 15, 2013
Internal combustion engine port design layout for enhanced in-cylinder swirl generation
CHANG SHENGMING
0 citations
27