Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7273015 | Method and apparatus for combustion of residual carbon in fly ash | Paul M. Crafton, James L. Lewis, Jr. | 2007-09-25 |
| 7047894 | Method and apparatus for combustion of residual carbon in fly ash | Paul M. Crafton, James L. Lewis, Jr. | 2006-05-23 |
| 6457425 | Method and apparatus for combustion of residual carbon in fly ash | Paul M. Crafton, James L. Lewis, Jr. | 2002-10-01 |
| 5924861 | Furnace discharge assembly | Franklin G. Rinker | 1999-07-20 |
| 4398700 | Annealing furnace with an improved cooling section | — | 1983-08-16 |
| 4318534 | Plate quench | Robert A. Schmall | 1982-03-09 |
| 4316717 | Method of controlling strip temperatures | — | 1982-02-23 |