Cold start control systems and methods
US-12583437-B2 · Mar 24, 2026 · US
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Liu Chengke patents
Liu Chengke is listed as an inventor on 11 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Liu Chengke |
| Total patents | 11 |
| First publication | Dec 6, 2022 |
| Latest publication | Mar 24, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Cold start control systems and methods
US-2025388205-A1 · Dec 25, 2025 · US
Vehicle with gasoline particulate filter soot regeneration strategy with criteria emission reduction for low NOX emissions
US-12392300-B1 · Aug 19, 2025 · US
Apparatus and method for controlling intake air temperature
US-2025137413-A1 · May 1, 2025 · US
Systems and methods for catalyst health diagnosing and fuel system control improvement
US-2025092814-A1 · Mar 20, 2025 · US
Systems and methods for catalyst health diagnosing and fuel system control improvement
US-12247504-B1 · Mar 11, 2025 · US
Engine emission control systems for deceleration fuel cutoff events and cold starts
US-11913401-B1 · Feb 27, 2024 · US
Systems and methods for recirculation of engine exhaust gas within an exhaust system having a buffer tank
US-11788455-B1 · Oct 17, 2023 · US
Systems and methods for recirculation of engine exhaust gas within an exhaust system
US-11725601-B1 · Aug 15, 2023 · US
Systems and methods of engine exhaust air injection before and after catalytic converters
US-11629625-B1 · Apr 18, 2023 · US
Recent patents
Latest publications not already listed above.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Gm Global Tech Operations Llc | 11 |
| Gm Global Tech Operatons Llc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F01N9/00 | 7 |
| F02D2200/0802 | 5 |
| F01N2900/08 | 4 |
| F01N3/101 | 4 |
| F02D2200/0414 | 3 |