Norbert Prinz
5Patents
5h-index
7Co-inventors
56Inventor score
Filing activity: Nov 1, 1988 → Jun 25, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4906365A | Filter for cleaning lubricating oil | Emerging Cross-Sectional Technologies | 67 | Expired |
| US4948503A | Oil filter cover in combination with an oil filter cartridge | Emerging Cross-Sectional Technologies | 36 | Expired |
| US7713185B2 | Impulse centrifuge for the purification of the lubricating oil from an internal combustion engine | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US9072992B2 | Fuel filter with filter recognition | Performing Operations; Transporting | 7 | Active |
| US6050351A | Drilling hole system for horizontal boreholes | Fixed Constructions | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.