Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116104 | Method and equipment for loosening and/or winning minerals especially coal and aggregated materials by using compressed air breaking | Zoltan Vida, Bela Sebestyen, Jozsef Nemeth, Istvan Viragh | 1992-05-26 |
| 4626031 | Apparatus for loosening and/or breaking coal deposits, rocks, granular or lumpy material, or scrap | Jozsef Nemeth, Laszlo Belley, Bela Sebestyen, Zoltan Vida | 1986-12-02 |
| 4558748 | Method and equipment for boring and casing air vent holes and/or delivery holes in medium-steep and steep dip coal deposits and rocks of loose structure | Jozsef Nemeth, Bela Sebestyen, Zoltan Vida | 1985-12-17 |
| 4498391 | Explosive mine breaking apparatus with arc-suppressing heat-dissipating fluid around the charge bodies | Jozsef Nemeth, Bela Sebestyen, Bela Solymossy | 1985-02-12 |