Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889058 | Heat recovery boiler | Wen Yang, Bozorg Ettehadieh | 1989-12-26 |
| 4889059 | Rotary combustor wall and method of forming same | Graham A. Whitlow | 1989-12-26 |
| 4870912 | Automatic combustion control method for a rotary combustor | — | 1989-10-03 |
| 4862813 | High temperature gas cleaning in municipal solid waste incineration systems | George B. Levin, James H. Moritz | 1989-09-05 |