CL

Chengke Liu

General Motors: 2 patents #266 of 1,517Top 20%
📍 Novi, MI: #49 of 260 inventorsTop 20%
🗺 Michigan: #950 of 6,958 inventorsTop 15%
Overall (2025): #134,962 of 469,880Top 30%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12392300 Vehicle with gasoline particulate filter soot regeneration strategy with criteria emission reduction for low NOX emissions Sergio Quelhas, Rafat F. Hattar 2025-08-19
12247504 Systems and methods for catalyst health diagnosing and fuel system control improvement Rafat F. Hattar, Janean Ellen Potter, Erika L Pruski 2025-03-11