| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 13 | |
| #2 | United Kingdom | 2 | |
| #3 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Chemical engineering | |
| #3 | Packaging and shipping | |
| #4 | Mechanical elements | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Separating solids | |
| #3 | Separation | |
| #4 | Cranes | |
| #5 | Railway systems | |
| #6 | Springs | |
| #7 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Couturier Jean-Etienne-Nicolas | 1 |
| #2 | Lev Jacques | 1 |
| #3 | Courturier J E N | 1 |
| #4 | Barrot Marcel | 1 |
| #5 | Barrot P M E | 1 |
| #6 | Barrot Paul-Marcel-Emile | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB605749A | Improvements in grinders, and crushers | |
| GB599283A | Suspension shaft for rotary crusher | |
| DE763962C | Cone crusher |