Marcus Pfeifer
29Patents
9h-index
45Co-inventors
71Inventor score
Filing activity: Apr 20, 2001 → May 16, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6843971B2 | Process and catalyst for reducing nitrogen oxides | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6725647B2 | Exhaust gas treatment units for internal combustion engines and processes for operating them | Emerging Cross-Sectional Technologies | 34 | Expired |
| US7761428B2 | System, method, and software for managing information retention using uniform retention rules | Physics | 22 | Active |
| US7005116B2 | Process for reducing nitrogen oxides | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7799298B2 | Catalyst arrangement and method of purifying the exhaust gas of internal combustion engines operated under lean conditions | Emerging Cross-Sectional Technologies | 20 | Active |
| US7431895B2 | Exhaust gas treatment unit for the selective catalytic reduction of nitrogen oxides under lean exhaust gas conditions and a process for the treatment of exhaust gases | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7977275B2 | Catalytically coated particle filter and method for producing the same and its use | Emerging Cross-Sectional Technologies | 18 | Active |
| US8226896B2 | Catalytic activated diesel particle filter with ammonia trap effect | Emerging Cross-Sectional Technologies | 14 | Active |
| US7351382B2 | Particle filter having a catalytically active coating to accelerate burning off accumulated soot particles during a regeneration phase | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7922987B2 | Catalytically coated diesel particle filter, process for producing it and its use | Emerging Cross-Sectional Technologies | 8 | Active |
| US8057768B2 | Device for the purification of diesel exhaust gases | Emerging Cross-Sectional Technologies | 8 | Active |
| US9347354B2 | Reduction-catalyst-coated diesel particle filter having improved characteristics | Emerging Cross-Sectional Technologies | 7 | Active |
| US8431186B2 | Method for the coating of a diesel particle filter and diesel particle filter produced thereby | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7937410B2 | Generic archiving of enterprise service oriented architecture data | Physics | 4 | Active |
| US9492787B2 | Method for preventing the contamination by platinum of an SCR catalyst | Emerging Cross-Sectional Technologies | 3 | Active |
| US9527036B2 | Catalyst system for treating NOx- and particle-containing diesel exhaust gas | Emerging Cross-Sectional Technologies | 3 | Active |
| US8136349B2 | Exhaust-gas purification system with particulate filter and method of operation thereof with improved regeneration of the particulate filter | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7953712B2 | Computer system, a database for storing electronic data and a method to operate a database system | Physics | 2 | Active |
| US7653666B2 | Method and computer system for identifying objects for archiving | Physics | 2 | Expired |
| US8863507B2 | Exhaust gas purification system for the treatment of engine exhaust gases by means of SCR catalyst | Emerging Cross-Sectional Technologies | 2 | Active |
| US10914214B2 | SCR diesel particle filter with oxidation catalyst and oxygen storage catalyst loadings, and exhaust system including the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US9346019B2 | Coated diesel particle filter | Emerging Cross-Sectional Technologies | 1 | Active |
| US8278236B2 | Method for catalytically coating ceramic honeycomb bodies | Emerging Cross-Sectional Technologies | 1 | Active |
| US8569199B2 | Vanadium-free catalyst for selective catalytic reduction and process for it's preparation | Emerging Cross-Sectional Technologies | 1 | Active |
| US10316739B2 | Method and device for the purification of diesel exhaust gases | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.