Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5064271 | Fiber optic flame and overheat sensing system with self test | Mark T. Kern, John Wetzork, Gregory L. Tangonan | 1991-11-12 |
| 5051590 | Fiber optic flame detection and temperature measurement system having one or more in-line temperature dependent optical filters | Mark T. Kern, Gregory L. Tangonan, John Wetzork | 1991-09-24 |
| 5051595 | Fiber optic flame detection and temperature measurement system employing doped optical fiber | Mark T. Kern, Gregory L. Tangonan, John Wetzork | 1991-09-24 |
| 4785292 | Dual spectrum frequency responding fire sensor | Mark T. Kern | 1988-11-15 |
| 4701624 | Fire sensor system utilizing optical fibers for remote sensing | Mark T. Kern, Steven E. Hodges, Danny G. Snider | 1987-10-20 |
| 4691196 | Dual spectrum frequency responding fire sensor | Mark T. Kern | 1987-09-01 |
| 4665390 | Fire sensor statistical discriminator | Mark T. Kern | 1987-05-12 |
| 4639598 | Fire sensor cross-correlator circuit and method | Mark T. Kern | 1987-01-27 |