Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172979 | Heater tube skin thermocouple | Rich W. Barkley, Ken Leung | 1992-12-22 |
| 5129025 | Optical thermal sensing device in fired oil treaters | George M. Welch, Jr. | 1992-07-07 |
| 4411533 | System for measuring temperature of hot gases laden with entrained solids | Paul N. Woldy | 1983-10-25 |
| 4312637 | Slag outlet for a gasification generator | — | 1982-01-26 |