Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474984 | Air injection for nitrogen oxide reduction and improved product quality | — | 2002-11-05 |
| 5915959 | Method and apparatus for preheating particulate material | — | 1999-06-29 |
| 5779467 | Method and apparatus for preheating particulate material | — | 1998-07-14 |
| 4373451 | Apparatus and method for feeding pulverized solid fuel to a burner | Edward Gootzait, Edward T. Maciejewski, Donald L. Fisher, JR. | 1983-02-15 |
| 4337031 | Preheating apparatus | William E. Zimmer, Samuel A. Miller | 1982-06-29 |