Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985673 | Method for regeneration of a sensor | Qingcheng Bao, Ian W. Sorensen | 1999-11-16 |
| 5939020 | Chemical switch for detection of chemical components | Ian W. Sorensen, Qingcheng Bao, Michael J. McKelvy | 1999-08-17 |
| 5891395 | Chemical switch for detection of chemical components | Ian W. Sorensen, Qingcheng Bao, Michael J. McKelvy | 1999-04-06 |
| 5635136 | Apparatus for sensing combustible gases employing an oxygen-activated sensing element | Ian W. Sorensen, Mahesan Chelvayohan | 1997-06-03 |
| 5587130 | Selected area adhesion and surface passivation of metal films | Qingcheng Bao, Ian W. Sorensen | 1996-12-24 |
| 5521099 | Method and apparatus for sensing combustible gases employing and oxygen-activated sensing element | Ian W. Sorensen, Mahesan Chelvayohan | 1996-05-28 |
| 5466605 | Method for detection of chemical components | Ian W. Sorensen, Qingcheng Bao, Michael J. McKelvy | 1995-11-14 |
| 5386715 | Gas vapor sensor | Keenan L. Evans, Young Sir Chung, Ian W. Sorensen | 1995-02-07 |