Edelbert Hafele
17Patents
7h-index
8Co-inventors
55Inventor score
Filing activity: Sep 28, 1989 → Dec 9, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5922938A | Gas sensor | Physics | 18 | Expired |
| US6067843A | Measuring sensor | Electricity | 13 | Expired |
| US5546787A | Housing for gas sensors | Physics | 13 | Expired |
| US5696313A | Lambda sensor with electric heater | Physics | 10 | Expired |
| US5968330A | Electrode material | Physics | 7 | Expired |
| US5352353A | Device for monitoring the concentration of gaseous constituents in mixtures of gases | Physics | 7 | Expired |
| US6085575A | Process for the determination of the exhaust gas temperature and of the air/fuel ratio lambda and a sensor arrangement for execution of the process | Physics | 7 | Expired |
| US5505911A | Catalytic converter | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5658445A | Combination of lambda probes | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6229093A | Mineral-insulated electrical cable | Electricity | 5 | Expired |
| US5929327A | Catalytic converter | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6158268A | Measuring sensor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5279855A | Manufacture of inert, catalytic or gas-sensitive ceramic layers for gas sensors | Physics | 3 | Expired |
| US6055847A | Measuring sensor having metal jacket lead and externally mounted threaded connector | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4988970A | Semiconductor for a resistive gas sensor having a high response speed | Physics | 3 | Expired |
| US5948371A | Catalytic converter as well as a manufacturing method therefor | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6000218A | System for monitoring the functioning ability of catalytic converters and/or lambda sensors | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.