Baohua Qi
39Patents
9h-index
24Co-inventors
71Inventor score
Filing activity: Jan 3, 2002 → Feb 4, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6667825B2 | Stable conjugated polymer electrochromic devices incorporating ionic liquids | Physics | 1,431 | Expired |
| US9170144B2 | Multifunctional fluid level and quality sensing device | Physics | 23 | Active |
| US9605578B1 | Particulate matter sensing device for controlling and diagnosing diesel particulate filter systems | Emerging Cross-Sectional Technologies | 22 | Active |
| US7683643B2 | Multifunctional conducting polymer structures | Electricity | 21 | Active |
| US8561392B2 | Apparatus, system, and method for reductant line heating control | Emerging Cross-Sectional Technologies | 20 | Active |
| US9109493B2 | Apparatus and method to diagnose a NOX sensor | Emerging Cross-Sectional Technologies | 19 | Active |
| US8881507B2 | Air driven reductant delivery system | Emerging Cross-Sectional Technologies | 16 | Active |
| US9890678B2 | Multi-stage SCR control and diagnostic system | Emerging Cross-Sectional Technologies | 16 | Active |
| US9347356B2 | Exhaust gas processing system independent to engine controls | Emerging Cross-Sectional Technologies | 11 | Active |
| US8980181B2 | Ammonia generating and delivery apparatus | Emerging Cross-Sectional Technologies | 9 | Active |
| US8034291B2 | Feedback control in selective catalytic reduction | Emerging Cross-Sectional Technologies | 8 | Active |
| US9546584B2 | Multi-stage SCR system | Emerging Cross-Sectional Technologies | 7 | Active |
| US9176086B2 | Fluid quality sensing means with reference sensor | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US8726723B2 | Detection of aftertreatment catalyst degradation | Physics | 7 | Active |
| US7463040B2 | Multifunctional conducting polymer structures | Electricity | 6 | Expired |
| US8387371B2 | Apparatus, system, and method for diesel exhaust fluid heating control | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US8931259B2 | Reductant delivery apparatus with purging means | Emerging Cross-Sectional Technologies | 6 | Active |
| US9021787B2 | Fluid delivery apparatus with flow rate sensing means | Emerging Cross-Sectional Technologies | 5 | Active |
| US8201443B2 | Systems and methods for monitoring catalyst device integrity | Emerging Cross-Sectional Technologies | 5 | Active |
| US7965877B2 | Fingerprint sensing device using pulse processing | Physics | 4 | Active |
| US8026795B2 | RFID sensor array and sensor group based on pulse-processing | Physics | 4 | Active |
| US10473014B2 | Low pressure atomizing injector | Emerging Cross-Sectional Technologies | 3 | Active |
| US9951673B2 | Engine aftertreatment system with exhaust lambda control | Emerging Cross-Sectional Technologies | 3 | Active |
| US9132442B2 | Diagnosis and controls of a fluid delivery apparatus with hydraulic buffer | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9382828B2 | System, method, and apparatus for aftertreatment system monitoring | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.