Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651809 | Regenerative heat exchanger | Friedrich Klauke, Karl Mohr | 1987-03-24 |
| 4197905 | Regenerative-air preheater | Ernst Wirz | 1980-04-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4651809 | Regenerative heat exchanger | Friedrich Klauke, Karl Mohr | 1987-03-24 |
| 4197905 | Regenerative-air preheater | Ernst Wirz | 1980-04-15 |