John Hedges
14Patents
4h-index
19Co-inventors
49Inventor score
Filing activity: Nov 7, 2007 → Jul 15, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9382857B2 | Post fuel injection of gaseous fuel to reduce exhaust emissions | Emerging Cross-Sectional Technologies | 21 | Active |
| US8245699B2 | Vehicle fuel vapor management | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US8161732B2 | System and method to improve engine emissions for a dual fuel engine | Emerging Cross-Sectional Technologies | 8 | Active |
| US7980228B2 | Vehicle fuel vapor management | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US8584650B2 | Ignition energy control for mixed fuel engine | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9303581B2 | Systems and methods for injecting gaseous fuel during an exhaust stroke to reduce turbo lag | Emerging Cross-Sectional Technologies | 3 | Active |
| US9238983B2 | Secondary air introduction system | Emerging Cross-Sectional Technologies | 3 | Active |
| US9151200B2 | Secondary air introduction system and method for system operation | Emerging Cross-Sectional Technologies | 2 | Active |
| US9399968B2 | Engine control for a liquid petroleum gas fueled engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US9739251B2 | Systems and methods for injecting gaseous fuel during an exhaust stroke to reduce turbo lag | Emerging Cross-Sectional Technologies | 1 | Active |
| US10066575B2 | Method and system for gasoline particulate filter operations | Emerging Cross-Sectional Technologies | 1 | Active |
| US9382863B2 | Systems and methods for controlling ignition energy during exhaust stroke combustion of gaseous fuel to reduce turbo lag | Emerging Cross-Sectional Technologies | 1 | Active |
| US9027531B2 | Ignition energy control for mixed fuel engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9702307B2 | Method for controlling fuel pressure for a LPG engine | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.