Viktor Pfeffer
11Patents
8h-index
25Co-inventors
68Inventor score
Filing activity: Nov 9, 1987 → Apr 3, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6622664B2 | Fuel supply system | Emerging Cross-Sectional Technologies | 73 | Expired |
| US6082100A | Method for operating a multicylinder internal combustion engine | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4979427A | Temperature-sensitive variation of the compression ratio in pistons having variable compression height | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US4785790A | Variable compression height piston arrangement | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6749754B1 | Method for desulphurizing engine fuel on board a motor vehicle | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4784093A | Arrangement for controlling the oil feed to a control chamber of a piston with variable compression height | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6571748B2 | Fuel supply system | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6431471B1 | Bi-fuel injector, in particular for combustion engines, and method of injection | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6616066B2 | Injection valve | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6732721B2 | Injection valve | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7186351B2 | Injection valve | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.