Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7678253 | Atmospheric corrosion sensor | Mehrooz Zamanzadeh | 2010-03-16 |
| 7462267 | Reference electrode | Mehrooz Zamanzadeh | 2008-12-09 |
| D558622 | Gas monitor and remote display | David M Hilliker, Matthew Sass, Joseph H Spiegel | 2008-01-01 |
| 7041256 | Poison resistant combustible gas sensors and method for warning of poisoning | Chuan Wang, Beth Tomasovic, Annie Wang | 2006-05-09 |
| 7007542 | Method of warning of poisoning in poison resistant combustible gas sensors | Chuan Wang, Beth Tomasovic, Annie Wang | 2006-03-07 |
| 6742382 | Combustible gas detector and method for its operation | Chuan Wang | 2004-06-01 |
| 6666963 | Oxygen sensor | Wenfeng Peng | 2003-12-23 |
| 6632674 | Method of testing gas detection instruments and associated apparatus | — | 2003-10-14 |
| 6435003 | Method of identifying a gas and associated apparatus | — | 2002-08-20 |
| 6428684 | Method and apparatus for diagnosing the condition of a gas sensor | — | 2002-08-06 |
| 6370940 | Apparatus for determining concentration of a gas | — | 2002-04-16 |
| 6338266 | Method of identifying a gas and associated apparatus | — | 2002-01-15 |
| 6319375 | Apparatus for identifying a gas | — | 2001-11-20 |
| 6284545 | Filter for gas sensor | Ronald Scott Sawtelle | 2001-09-04 |
| 6165347 | Method of identifying a gas | — | 2000-12-26 |
| 6096186 | Method for determining exhaustion of an electrochemical gas sensor | — | 2000-08-01 |
| 6055840 | Method and apparatus for determining concentration of a gas | — | 2000-05-02 |
| 5902467 | Oxygen sensor based on a metal-air battery | Annie Wang | 1999-05-11 |