Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6709510 | Process for using mill scale in cement clinker production | David Norris | 2004-03-23 |
| 6322355 | Method and apparatus for disposing of waste dust generated in the manufacture of cement clinker | — | 2001-11-27 |
| 6109913 | Method and apparatus for disposing of waste dust generated in the manufacture of cement clinker | — | 2000-08-29 |
| 5759253 | Lightweight aggregate and process for its production | — | 1998-06-02 |
| 5494515 | Method and apparatus for using blast-furnace slag in cement clinker production | — | 1996-02-27 |
| 5421880 | Method and apparatus for using steel slag in cement clinker production | — | 1995-06-06 |