DEUTZ AKTIENGESELLSCHAFT
🏢 View company profile →69Patents
47Active
69Granted
51Portfolio score
Filing activity: Aug 28, 1995 → Feb 8, 2024 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6161524A | Electronic control device | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US6457442B1 | Liquid-cooled internal combustion engine | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5704561A | Wear-resistant hard-surfacing for the rolls of high-pressure roll presses for size reduction of granular material | Performing Operations; Transporting | 13 | Expired |
| US5862786A | Cold starting assistance for diesel engines | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5876648A | Two-roller machine and method for pressure treatment of granular material | Performing Operations; Transporting | 6 | Expired |
| US5704780A | Apparatus for thermal processing of raw materials in dust form | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6138641A | Fuel injection device for auto-ignition internal combustion engines | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5860609A | Wear-resistant surface armoring for the rolls of high-pressure roll presses for the pressure disintegration of granular material | Performing Operations; Transporting | 5 | Expired |
| US6205966A | Multicylinder internal combustion engine with two inlet valves and two outlet valves | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7377263B2 | Internal combustion engine provided with an accumulator injection system | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6926760B2 | Method for cleaning a particular filter | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6065437A | Four-valve cylinder head of an internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8984866B2 | Exhaust gas aftertreatment system | Emerging Cross-Sectional Technologies | 3 | Active |
| US5733423A | Device for separation of cast thimbles from anode bars | Chemistry; Metallurgy | 2 | Expired |
| US6182638A | Internal combustion engine with inlet and outlet valves | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6901905B2 | Pre-combustion chamber enrichment | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8484954B2 | High-efficiency SCR catalytic converter | Emerging Cross-Sectional Technologies | 2 | Active |
| US5918823A | High-pressure roller press for pressure comminution of granular product | Performing Operations; Transporting | 2 | Expired |
| US6363717B1 | Exhaust gas duct cooled with water | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6155228A | Multicylinder four-stroke internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US11028811B2 | Internal combustion engine including at least one electric motor | Emerging Cross-Sectional Technologies | 1 | Active |
| US8991369B2 | Two-stage cooled exhaust gas recirculation system | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9656210B2 | Internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US6283101A | Method of controlling exhaust recycling in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US8985155B2 | Pipe | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.