| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 6 | |
| #2 | Germany | 4 | |
| #3 | United Kingdom | 3 | |
| #4 | United States | 3 | |
| #5 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Chemical engineering | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Preparing grain for milling | |
| #2 | Separating solids | |
| #3 | Milling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Prokop Josef | 6 |
| #2 | Josef Prokop | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB632719A | Improvements in and relating to grinding mills | |
| US1818866A | Apparatus for polishing grain | |
| GB360408A | Improvements in or relating to polishing or husking grain | |
| US1623701A | Feeding and discharging apparatus for machines for material treatment | |
| GB175507A | Husking, polishing and like treatment of cereals | |
| US1439379A | Treatment of cereals |