Gregory P. Matthews
33Patents
13h-index
23Co-inventors
81Inventor score
Filing activity: Aug 10, 1992 → Nov 2, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5273019A | Apparatus with dynamic prediction of EGR in the intake manifold | Mechanical Engineering; Lighting; Heating | 78 | Expired |
| US5465617A | Internal combustion engine control | Mechanical Engineering; Lighting; Heating | 63 | Expired |
| US6615804B2 | Method and apparatus for deactivating and reactivating cylinders for an engine with displacement on demand | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5423208A | Air dynamics state characterization | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US6760656B2 | Airflow estimation for engines with displacement on demand | Mechanical Engineering; Lighting; Heating | 41 | Expired |
| US6874462B2 | Adaptable modification of cylinder deactivation threshold | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US5596972A | Integrated fueling control | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US7319929B1 | Method for detecting steady-state and transient air flow conditions for cam-phased engines | Mechanical Engineering; Lighting; Heating | 28 | Active |
| US7292931B2 | Model-based inlet air dynamics state characterization | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US6736108B2 | Fuel and spark compensation for reactivating cylinders in a variable displacement engine | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6782865B2 | Method and apparatus for control of a variable displacement engine for fuel economy and performance | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US7464676B2 | Air dynamic steady state and transient detection method for cam phaser movement | Mechanical Engineering; Lighting; Heating | 24 | Active |
| US9222427B2 | Intake port pressure prediction for cylinder activation and deactivation control systems | Emerging Cross-Sectional Technologies | 20 | Active |
| US6769403B2 | Spark retard control during cylinder transitions in a displacement on demand engine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7000589B2 | Determining manifold pressure based on engine torque control | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US8527120B2 | Method and apparatus for controlling a powertrain system including an engine and electro-mechanical transmission | Emerging Cross-Sectional Technologies | 8 | Active |
| US7059998B2 | DOD control methods for manual transmissions | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6585621B2 | Method and apparatus for providing a consistent transmission load variable | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6895941B2 | Method and apparatus for a variable displacement internal combustion engine | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7524255B2 | Tip-in bump reduction methods and systems | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US9458779B2 | Intake runner temperature determination systems and methods | Emerging Cross-Sectional Technologies | 4 | Active |
| US7004141B2 | Method and apparatus for obtaining a consistent pedal position for a vehicle having an engine with displacement on demand | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6968824B1 | Determining manifold pressure based on engine torque control | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9376973B2 | Volumetric efficiency determination systems and methods | Emerging Cross-Sectional Technologies | 3 | Active |
| US9534550B2 | Air per cylinder determination systems and methods | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.