David Williams
6Patents
4h-index
15Co-inventors
54Inventor score
Filing activity: Sep 2, 1975 → Sep 29, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5044337A | Control system for and method of controlling an internal combustion engine | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4707351A | Catalyst and catalytic process | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5177463A | Method of and apparatus for monitoring operation of a catalytic converter | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7928330B2 | Safety switch | Electricity | 6 | Active |
| US7687728B2 | Safety switch | Electricity | 1 | Active |
| USRE29939E | Spectrometer system | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.