Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11231389 | Method and apparatus for electrolyte concentration measurement in an electrochemical sensor | Keith Francis Edwin Pratt | 2022-01-25 |
| 11085896 | Auxiliary micro-electrodes for diagnostics of electrochemical gas sensors | Keith Francis Edwin Pratt, John Chapples, Lei Xiao | 2021-08-10 |
| 10895562 | Method and apparatus for determining the composition of one or more gases | Keith Francis Edwin Pratt, Tom Gurd, Cristian Diaconu | 2021-01-19 |
| 10191008 | Gas sensor with solid electrolyte having water vapor diffusion barrier coating | John Chapples, Keith Francis Edwin Pratt | 2019-01-29 |
| 10006881 | Microelectrodes for electrochemical gas detectors | Keith Francis Edwin Pratt, John Chapples | 2018-06-26 |
| 9835581 | Gas sensor using an ionic liquid electrolyte | John Chapples | 2017-12-05 |
| 9689833 | Auxiliary micro-electrodes for diagnostics of electrochemical gas sensors | Keith Francis Edwin Pratt, John Chapples, Lei Xiao | 2017-06-27 |
| 9377435 | Auxiliary gas diffusion electrodes for diagnostics of electrochemical gas sensors | Keith Francis Edwin Pratt, John Chapples | 2016-06-28 |
| 8721970 | Temperature and humidity compensated single element pellistor | Martin Willett | 2014-05-13 |
| 8317998 | Methods of operation of electrochemical gas sensors | Keith Francis Edwin Pratt, John Chapples, Stefan Dan Costea, Mihai Gologanu | 2012-11-27 |
| 7967965 | Gas sensor | — | 2011-06-28 |
| 7279080 | Gas sensors | John Chapples | 2007-10-09 |
| 7176958 | Fifth wheel video monitor system | — | 2007-02-13 |