Janean E. Kowalkowski
36Patents
11h-index
39Co-inventors
67Inventor score
Filing activity: Jan 25, 2011 → Sep 29, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8966882B2 | Differential pressure-based enablement of a particulate filter diagnostic | Emerging Cross-Sectional Technologies | 14 | Active |
| US8707677B2 | System and method for controlling a nitrogen oxide sensor | Emerging Cross-Sectional Technologies | 13 | Active |
| US8924131B2 | Method and apparatus for controlling a diagnostic module for an exhaust gas sensor | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US8910466B2 | Exhaust aftertreatment system with diagnostic delay | Emerging Cross-Sectional Technologies | 13 | Active |
| US8863499B2 | System for indicating quality of a diesel exhaust fluid (“DEF”) | Emerging Cross-Sectional Technologies | 12 | Active |
| US8783019B2 | Apparatus and method for onboard performance monitoring of oxidation catalyst | Emerging Cross-Sectional Technologies | 12 | Active |
| US8984867B2 | Nitrogen dioxide generation diagnostic for a diesel after-treatment system | Emerging Cross-Sectional Technologies | 12 | Active |
| US9194268B2 | Exhaust gas treatment system including an enhanced SCR diagnostic unit | Emerging Cross-Sectional Technologies | 12 | Active |
| US10100695B2 | Exhaust fluid dosing control system and method | Emerging Cross-Sectional Technologies | 11 | Active |
| US9051866B2 | Method and apparatus for monitoring a particulate filter | Emerging Cross-Sectional Technologies | 11 | Active |
| US9109480B2 | Method and system for initiating an engine after-run state and controlling a nitrogen oxide sensor self-diagnostic tool | Emerging Cross-Sectional Technologies | 11 | Active |
| US9528462B2 | NOx sensor plausibility monitor | Emerging Cross-Sectional Technologies | 11 | Active |
| US8631690B2 | Exhaust treatment methods and systems | Emerging Cross-Sectional Technologies | 11 | Active |
| US9376952B2 | Method and system for selectively enabling and disabling a diagnostic monitor of a selective-catalytic-reduction device | Emerging Cross-Sectional Technologies | 11 | Active |
| US9501452B2 | Exponentially weighted moving averaging filter with adjustable weighting factor | Emerging Cross-Sectional Technologies | 11 | Active |
| US9074507B2 | Event-based deviation integration temperature control loop diagnostic system | Emerging Cross-Sectional Technologies | 11 | Active |
| US9206727B2 | Regeneration diagnostic methods and systems | Emerging Cross-Sectional Technologies | 11 | Active |
| US9181843B2 | On-board diagnostic method for NO2 formation in an oxidation catalyst | Emerging Cross-Sectional Technologies | 11 | Active |
| US9415345B2 | Heat generation system for determining a selective catalytic reduction device efficiency | Emerging Cross-Sectional Technologies | 11 | Active |
| US8640441B2 | Method of monitoring a differential pressure sensor of an exhaust gas treatment system | Emerging Cross-Sectional Technologies | 3 | Active |
| US8607625B2 | Service test for exhaust gas treatment system | Emerging Cross-Sectional Technologies | 3 | Active |
| US9068495B2 | Oxidation catalyst/hydrocarbon injector testing system | Emerging Cross-Sectional Technologies | 3 | Active |
| US8629781B2 | Efficiency determination for a selective-catalytic-reduction catalyst | Emerging Cross-Sectional Technologies | 2 | Active |
| US8398742B2 | Pressure sensor disconnection detection systems and methods | Emerging Cross-Sectional Technologies | 1 | Active |
| US9163537B2 | Enhanced diagnostic signal to detect pressure condition of a particulate filter | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.