Dittmar Klett
9Patents
5h-index
27Co-inventors
63Inventor score
Filing activity: Jun 1, 1977 → Aug 23, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5612586A | Spark plug for internal combustion engines | Electricity | 25 | Expired |
| US5731654A | Spark plug having a creepage spark gap | Electricity | 22 | Expired |
| US5952770A | Spark plug for internal combustion engine | Electricity | 15 | Expired |
| US4597849A | Gas sensor suitable for engine exhaust gases | Physics | 9 | Expired |
| US7262547B2 | Spark plug element having defined dimensional parameters for its insulator component | Electricity | 5 | Expired |
| US6759796B2 | Compact spark plug and method for its production | Electricity | 5 | Expired |
| US5818152A | Spark plug for an internal combustion engine | Electricity | 3 | Expired |
| US6762539B2 | Spark plug for an internal combustion engine and method for production of a middle electrode for an internal combustion engine spark plug | Electricity | 1 | Expired |
| US4220123A | Subpressure limiter for a fuel injection system | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.