Daniel D. Wilhelm
29Patents
10h-index
54Co-inventors
78Inventor score
Filing activity: May 18, 1984 → Dec 22, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5003288A | Ambient light sensing method and apparatus | Performing Operations; Transporting | 357 | Expired |
| US5771861A | Apparatus and method for accurately controlling fuel injection flow rate | Mechanical Engineering; Lighting; Heating | 52 | Expired |
| US4841198A | Head lamp control method and apparatus, with PWM output regulation | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5229579A | Motor vehicle heated seat control | Electricity | 20 | Expired |
| US8336525B2 | Apparatus, system, and method for estimating deterioration of a NOx sensor response rate | Emerging Cross-Sectional Technologies | 19 | Active |
| US9109493B2 | Apparatus and method to diagnose a NOX sensor | Emerging Cross-Sectional Technologies | 19 | Active |
| US4926025A | Electrically heated seat resistive heating element energization system | Performing Operations; Transporting | 17 | Expired |
| US8528319B2 | Apparatus, system, and method for mitigating diesel exhaust fluid deposits and associated conditions | Emerging Cross-Sectional Technologies | 16 | Active |
| US7500358B2 | Apparatus, system, and method for enhancing soot filter protection | Emerging Cross-Sectional Technologies | 16 | Active |
| US8146562B2 | System, method and apparatus for fuel injector diagnostics | Emerging Cross-Sectional Technologies | 13 | Active |
| US4935641A | Electronic rheostat method and apparatus | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8615990B2 | Apparatus, system, and method for controlling multiple diesel particulate filters | Emerging Cross-Sectional Technologies | 8 | Active |
| US7788911B2 | Adsorbed substance accumulation reduction for exhaust treatment equipment | Emerging Cross-Sectional Technologies | 6 | Active |
| US5844430A | Controllable signal conditioning circuit | Electricity | 6 | Expired |
| US8316635B2 | Methods of increasing accuracy of soot load estimates | Emerging Cross-Sectional Technologies | 5 | Active |
| US7006911B2 | Actuator control system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7685814B2 | Systems, apparatuses, and methods of determining plugging or deplugging of a diesel oxidation catalyst device | Emerging Cross-Sectional Technologies | 5 | Active |
| US7979194B2 | System and method for controlling fuel injection | Mechanical Engineering; Lighting; Heating | 5 | Active |
| USRE35428E | Electronic rheostat method and apparatus | General | 4 | Expired |
| US8155860B2 | Real time doser efficiency monitoring | Emerging Cross-Sectional Technologies | 3 | Active |
| US10273858B2 | Soot load estimation during idle or low load | Emerging Cross-Sectional Technologies | 3 | Active |
| US9708950B2 | Genset engine using electrical sensing to control components for optimized performance | Emerging Cross-Sectional Technologies | 3 | Active |
| USD285941S | Outdoor advertising support structure | General | 2 | Expired |
| US8155858B2 | Real-time doser efficiency monitoring | Emerging Cross-Sectional Technologies | 2 | Active |
| US8091414B2 | Methods of detecting replacement of a particulate matter filter | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.