FEV Group GmbH
🏢 View company profile →39Patents
39Active
39Granted
58Portfolio score
Filing activity: Dec 22, 2005 → Jul 21, 2023 · 7 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8490383B2 | Exhaust system for internal combustion engine | Emerging Cross-Sectional Technologies | 8 | Active |
| US8360913B2 | Drive system with an 8-gear gearbox | Emerging Cross-Sectional Technologies | 4 | Active |
| US8256114B2 | Method of manufacturing a cooling jacket of a cylinder head | Emerging Cross-Sectional Technologies | 3 | Active |
| US9371781B2 | NOX adjustment control with internal and external exhaust gas recirculation | Emerging Cross-Sectional Technologies | 3 | Active |
| US9551252B2 | System and method of purifying exhaust gas provided with lean NOx trap and selective catalytic reduction catalyst | Emerging Cross-Sectional Technologies | 3 | Active |
| US9777619B2 | Ship engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US9644513B2 | Method of regenerating lean NOx trap of exhaust purification system provided with lean NOx trap and selective catalytic reduction catalyst and exhaust purification system | Emerging Cross-Sectional Technologies | 2 | Active |
| US9890702B2 | Switching valve and internal combustion engine having such a switching valve and a method for a switching valve | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8418449B2 | Variable exhaust gas deflector | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8979693B2 | Method for the operation of a hybrid drive system and hybrid drive system comprising two sub-transmissions | Emerging Cross-Sectional Technologies | 2 | Active |
| US9382827B2 | Method for regenerating a nitrogen oxide storage catalytic converter and a device for this purpose | Emerging Cross-Sectional Technologies | 1 | Active |
| US9885301B2 | Method for adjusting the air-fuel ratio in the exhaust gas of a direct injection internal combustion engine for NOx storage catalytic converter regeneration | Emerging Cross-Sectional Technologies | 1 | Active |
| US8887702B2 | Self-cleaning exhaust gas recirculation system | Emerging Cross-Sectional Technologies | 1 | Active |
| US10287944B2 | Exhaust purification system and method of desulfurizing lean NOx trap of exhaust purification system provided with lean NOx trap and selective catalytic reduction catalyst | Emerging Cross-Sectional Technologies | 1 | Active |
| US9771846B2 | Exhaust purification device and method of calculating NH3 mass generated in lean NOx trap of exhaust purification device | Emerging Cross-Sectional Technologies | 1 | Active |
| US11293374B2 | Piston bowl geometries for internal combustion engines | Emerging Cross-Sectional Technologies | 1 | Active |
| US9004208B2 | Energy storage device | Emerging Cross-Sectional Technologies | 1 | Active |
| US9677443B2 | Method and system of determining suitability of correction for control logic of selective catalytic reduction catalyst | Emerging Cross-Sectional Technologies | 1 | Active |
| US10012143B2 | Internal combustion engine with settable variable compression ratio and with a switching module | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10087805B2 | Method of determining correcting logic for reacting model of selective catalytic reduction catalyst, method of correcting parameters of reacting model of selective catalytic reduction catalyst and exhaust system using the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US9010111B2 | Compressor comprising a swirl generator, for a motor vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US9951681B2 | Compressor system for a combustion engine and combustion engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US10533510B2 | Model-based cylinder charge detection for an internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US9765663B2 | Method of regenerating lean NOx trap of exhaust purification system provided with lean NOx trap and selective catalytic reduction catalyst and exhaust purification system | Emerging Cross-Sectional Technologies | 1 | Active |
| US9803525B2 | Exhaust purification device and method of calculating NOx mass adsorbed in lean NOx trap of exhaust purification device | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.