| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Materials and metallurgy | |
| #3 | Chemical engineering | |
| #4 | Environmental technology | |
| #5 | Engines, pumps and turbines | |
| #6 | Mechanical elements | |
| #7 | Consumer goods | |
| #8 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Foundry moulding | |
| #2 | Combustion residues removal | |
| #3 | Bending wood | |
| #4 | Grinding tools | |
| #5 | Grinding or polishing devices | |
| #6 | Structural elements | |
| #7 | Cyclically operating valves | |
| #8 | Special designs | |
| #9 | Dry-cleaning fibers | |
| #10 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cambier Emile | 11 |
| #2 | Prost Armand | 1 |