Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5083429 | Method of and compression tube for increasing pressure of a flowing gaseous medium, and power machine applying the compression tube | László Csaba Lengyel | 1992-01-28 |
| 4353753 | Cleaning boiler tubes of digesting heat exchangers used in alum earth processing | Zoltan Osvald, Gyula Odor, Gyorgy Lang, Janos Steiner | 1982-10-12 |