Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5724898 | Grate for a firing system | Martin R. Zweifel | 1998-03-10 |
| 4738585 | High-speed water separator | — | 1988-04-19 |
| 4589258 | Wet-steam turbine plant | — | 1986-05-20 |
| 4257360 | Feed water preheater | — | 1981-03-24 |