John Saffell
10Patents
5h-index
15Co-inventors
63Inventor score
Filing activity: Oct 27, 1983 → Jan 11, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5235526A | Multi-probed sonde including microprocessor | Physics | 46 | Expired |
| US4608532A | Multi-probe metering apparatus | Physics | 28 | Expired |
| US6623619B2 | Electrochemical sensor for determining analyte in the presence of interferent and method of using the sensor | Physics | 25 | Expired |
| US7651597B2 | Electrochemical sensor | Physics | 13 | Active |
| US8193502B2 | Optical absorption gas sensor | Physics | 6 | Active |
| US6746587B2 | Electrochemical gas sensor | Emerging Cross-Sectional Technologies | 4 | Expired |
| US10502710B2 | Particulate matter measurement apparatus and method | Physics | 2 | Active |
| US11327040B1 | Highly effective sensor for the vapors of volatile organic compounds | Physics | 0 | Active |
| US9395246B2 | Gas analyser | Physics | 0 | Active |
| US10775338B2 | Electrochemical gas sensor, filter and methods | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.