Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739713 | Method and apparatus for reducing the NO.sub.x content of flue gas in coal-dust-fired combustion systems | Fritz Vier, Heinz Baumgart, Robert Michalke | 1988-04-26 |
| 4699071 | Nitrogen oxide reduction in furnaces | Fritz Vier, Michael Schulenburg | 1987-10-13 |