| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 72 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Agriculture | |
| #5 | Foods and drinks | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Separating solids | |
| #3 | Transport or storage devices | |
| #4 | Drying solid materials by removing liquid | |
| #5 | Preparing grain for milling | |
| #6 | Separation | |
| #7 | Dough making machines | |
| #8 | Generating mechanical vibrations | |
| #9 | Gearing | |
| #10 | Cyclones |