Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5040972 | Pyrolyzer-kiln system | Ned J. Kleinhenz, Alvin L. Gaunce, Thomas J. Schultz | 1991-08-20 |
| 4318534 | Plate quench | William Thome | 1982-03-09 |
| 4310302 | Batch coil annealing furnace baseplate | Arvind C. Thekdi, Robert W. Buchwald | 1982-01-12 |