Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5033958 | Burner for a hot-blast furnace | — | 1991-07-23 |
| 4612981 | Ceramic recuperator tube and a recuperator employing plural such tubes | Hartmut Kainer | 1986-09-23 |
| 4492568 | Process and apparatus for preheating the combustion mediums used for firing blast furnace stoves | — | 1985-01-08 |
| 4369954 | Regenerative air preheater with improved insulation between combustion chamber and checker shaft | — | 1983-01-25 |