Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821524 | Method and apparatus for reducing evaporation of storage tanks | Ferenc Gyorgy Kostyal, Miklos Petruska, Istvan Sokorai | 1989-04-18 |
| 4435129 | Vortex injector | Denes Csako, Laszlo Paczuk, Laszlo Beres-Deak, Laszlo Novotny | 1984-03-06 |
| 4419214 | Process for the recovery of shale oil, heavy oil, kerogen or tar from their natural sources | Valer Balint, András Pintér | 1983-12-06 |