Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816142 | Process and apparatus for grain-sizing in alumina hydrate slurry | Frigyes Csapo, Bela G. Szabo, Lajos Szucs, Mihaly Marton, Janso Steiner +3 more | 1989-03-28 |
| 4353753 | Cleaning boiler tubes of digesting heat exchangers used in alum earth processing | Zoltan Osvald, Gergely Veres, Gyorgy Lang, Janos Steiner | 1982-10-12 |