| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 7 | |
| #2 | Austria | 1 | |
| #3 | Germany | 1 | |
| #4 | Spain | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Agriculture | |
| #3 | Mechanical elements | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Agricultural harvest processing | |
| #3 | Milling | |
| #4 | Safety devices | |
| #5 | Clutches and brakes |
| Publication | Filing date | Title |
|---|---|---|
| ES291922A1 | Improvements in screw-conveyors |