Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11327040 | Highly effective sensor for the vapors of volatile organic compounds | Peter Smith, John Saffell | 2022-05-10 |
| 8646311 | Sensors for hydrogen, ammonia | — | 2014-02-11 |
| 7900501 | Air quality monitor | — | 2011-03-08 |
| 7628957 | Carbon dioxide sensor | Odile Merdrignac-Conanec, Ronan Lebullenger | 2009-12-08 |
| 6660231 | Sensors for oxidizing gases | — | 2003-12-09 |
| 6173602 | Transition metal oxide gas sensor | — | 2001-01-16 |
| 6046054 | Semiconducting oxide gas sensors | Peter McGeehin, David Edward Williams, Geoffrey Stephen Henshaw, Darryl Dawson, Laura Jane Gellman | 2000-04-04 |
| 5811662 | Resistive gas sensing, especially for detection of ozone | David Edward Williams, Peter McGeehin | 1998-09-22 |
| 5800948 | Lead-acid battery and separator therefor | — | 1998-09-01 |
| 4546055 | Electrochemical cell | Johan Coetzer, Roy C. Galloway, Roger J. Bones, David A. Teagle | 1985-10-08 |
| 4507855 | Lead acid electric storage cell and a positive electrode therefor | Nevill J. Bridger | 1985-04-02 |
| 4508147 | Method of manufacturing a positive electrode for a lead acid electric storage cell | Michael R. Hill | 1985-04-02 |