| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Hungary | 3 | |
| #2 | Austria | 1 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | China | 1 | |
| #7 | Czechia | 1 | |
| #8 | United States | 1 | |
| #9 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Separating solids using liquids | |
| #2 | Cyclones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ferencz Jozsef | 7 |
| #2 | Felmeri Istvan | 7 |
| #3 | Stum Rezso | 5 |
| #4 | Stum Rezsoe | 2 |
| #5 | Wernsdoerfer Ferenc | 1 |
| #6 | Istvan Felmeri | 1 |
| #7 | Felmeri Istvan Ing | 1 |
| #8 | Galauner Bela | 1 |
| #9 | Stum Rezso Dipl Ing | 1 |
| #10 | Ferencz Jozsef Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| HU902536D0 | Apparatus for feeding powders and close grained matters | |
| HUT57083A | Method for yielding the chemically fixed iron content from metallurgical slag | |
| HUT53560A | Method for separating the granules of coal and dead from aqueous suspension in two-stage hydrocyclone system |