Karl Schweickardt
6Patents
4h-index
3Co-inventors
50Inventor score
Filing activity: May 17, 1979 → Feb 1, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4695769A | Logarithmic-to-linear photocontrol apparatus for a lighting system | Emerging Cross-Sectional Technologies | 166 | Expired |
| US4269194A | Carbon dioxide measurement from expired gases in a partial rebreathing anesthesia circuit | Human Necessities | 22 | Expired |
| US4400754A | Spark arrestor | Electricity | 15 | Expired |
| US4677348A | Combined ignitor and transient suppressor for gaseous discharge lighting equipment | Electricity | 7 | Expired |
| US6326733A | Electronic circuit to initiate and sustain current conduction in gaseous discharge lamps and method | Electricity | 2 | Expired |
| US4414600A | Protection device for high intensity gaseous discharge lamp starting circuit | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.