Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4514256 | Method of minimizing slagging in the burning of black liquid | Alfred E. Kober | 1985-04-30 |
| 4304636 | Method for improving the bulk density and throughput characteristics of coking coal | Mark O. Kestner, Mehmet E. Aktuna | 1981-12-08 |