Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6190628 | Method for injecting NOx inhibiting liquid reagent into the flue gas of a boiler in response to a sensed temperature | — | 2001-02-20 |
| 5326536 | Apparatus for injecting NO.sub.x inhibiting liquid reagent into the flue gas of a boiler in response to a sensed temperature | — | 1994-07-05 |
| 4893895 | An improved encased high temperature optical fiber | John W. Berthold | 1990-01-16 |
| 4843234 | Consumable electrode length monitor based on optical time domain reflectometry | John W. Berthold | 1989-06-27 |