Jeffry A. Helmick
5Patents
4h-index
15Co-inventors
50Inventor score
Filing activity: Jul 27, 2001 → Sep 23, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7900439B2 | Exhaust system monitoring methods and systems | Emerging Cross-Sectional Technologies | 19 | Active |
| US8583349B2 | Systems and methods for diagnosing oxygen sensors and catalytic converters of exhaust systems | Emerging Cross-Sectional Technologies | 13 | Active |
| US8086392B2 | Post oxygen sensor performance diagnostic with minimum air flow | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US6586711B2 | Current control method for an oxygen sensor heater | Physics | 9 | Expired |
| US9181844B2 | Diagnostic system and method for an oxygen sensor positioned downstream from a catalytic converter | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.