Ralph Wayne Cunningham
128Patents
15h-index
87Co-inventors
89Inventor score
Filing activity: Mar 21, 1978 → Mar 11, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8100107B2 | Method and system for engine control | Mechanical Engineering; Lighting; Heating | 37 | Active |
| US7275516B1 | System and method for boosted direct injection engine | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6571771B2 | System for controlling air-fuel ratio during intake control device transitions | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US7771313B2 | Vehicle trajectory control system | Emerging Cross-Sectional Technologies | 22 | Active |
| US6468183B1 | Control for vehicle with transmission | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US8181452B2 | Particulate filter regeneration during engine shutdown | Emerging Cross-Sectional Technologies | 20 | Active |
| US7770562B2 | Fuel delivery system for a multi-fuel engine | Mechanical Engineering; Lighting; Heating | 20 | Active |
| US7331334B2 | System and method for purging fuel vapors using exhaust gas | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US8069665B2 | Stored compressed air management for improved engine performance | Emerging Cross-Sectional Technologies | 18 | Active |
| US7743752B2 | System and method for improving fuel vapor purging for an engine having a compressor | Mechanical Engineering; Lighting; Heating | 18 | Active |
| US6516778B1 | Engine airflow control | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US7621256B2 | System and method for boosted direct injection engine | Emerging Cross-Sectional Technologies | 17 | Active |
| US6506140B1 | Control for vehicle with torque converter | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US7942127B2 | Vehicle stability and surge control | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US6600988B1 | Vehicle trajectory control system and method | Performing Operations; Transporting | 15 | Expired |
| US8239122B2 | Vehicle surge and spark timing control | Emerging Cross-Sectional Technologies | 15 | Active |
| US7779812B2 | Vehicle stability and surge control | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US8683976B2 | Spark plug degradation detection | Emerging Cross-Sectional Technologies | 15 | Active |
| US8483934B2 | Method for purging fuel vapors | Emerging Cross-Sectional Technologies | 14 | Active |
| US8424295B2 | Particulate filter regeneration during engine shutdown | Emerging Cross-Sectional Technologies | 12 | Active |
| US8352164B2 | Vehicle surge and spark timing control | Emerging Cross-Sectional Technologies | 12 | Active |
| US8567370B2 | Method and system for engine control | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US7918214B2 | System and method for improving fuel vapor purging for an engine having a compressor | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US6666021B1 | Adaptive engine control for low emission vehicle starting | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5974785A | Closed loop bias air/fuel ratio offset to enhance catalytic converter efficiency | Emerging Cross-Sectional Technologies | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.