Steven Don Arnold
45Patents
20h-index
30Co-inventors
85Inventor score
Filing activity: Apr 2, 1987 → Mar 6, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6269642A | Variable geometry turbocharger | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6145313A | Turbocharger incorporating an integral pump for exhaust gas recirculation | Emerging Cross-Sectional Technologies | 50 | Expired |
| US6637205B1 | Electric assist and variable geometry turbocharger | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6062028A | Low speed high pressure ratio turbocharger | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US7958727B2 | Electric boost compressor and turbine generator system | Emerging Cross-Sectional Technologies | 40 | Active |
| US6647724B1 | Electric boost and/or generator | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6899090B2 | Dual path EGR system and methods | Emerging Cross-Sectional Technologies | 38 | Expired |
| US7017706B2 | Turbine noise absorber | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6679057B2 | Variable geometry turbocharger | Emerging Cross-Sectional Technologies | 37 | Expired |
| US7013879B2 | Dual and hybrid EGR systems for use with turbocharged engine | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5937650A | Exhaust gas recirculation system employing a turbocharger incorporating an integral pump, a control valve and a mixer | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6419464B1 | Vane for variable nozzle turbocharger | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US4726744A | Tubocharger with variable vane | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US7165540B2 | Dual and hybrid EGR systems for use with turbocharged engine | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6925802B2 | System to improve after-treatment regeneration | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6158956A | Actuating mechanism for sliding vane variable geometry turbine | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US6418722B1 | Turbocharger bearing system | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US7568883B2 | Turbocharger having two-stage compressor with boreless first-stage impeller | Mechanical Engineering; Lighting; Heating | 21 | Active |
| US7461507B2 | High response compact turbocharger | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6729134B2 | Variable geometry turbocharger having internal bypass exhaust gas flow | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US6681573B2 | Methods and systems for variable geometry turbocharger control | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6948314B2 | High response, compact turbocharger | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6665604B2 | Control method for variable geometry turbocharger and related system | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6026791A | Exhaust gas recirculation valve with integral feedback proportional to volumetric flow | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8181462B2 | Turbocharger with two-stage compressor, including a twin-wheel parallel-flow first stage | Emerging Cross-Sectional Technologies | 13 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.