| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 29 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Thermal processes | |
| #4 | Macromolecular chemistry and polymers | |
| #5 | Materials and metallurgy | |
| #6 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Finishing work on buildings | |
| #2 | Railway shifting | |
| #3 | Air-conditioning | |
| #4 | Machines for making railways | |
| #5 | Construction of roads | |
| #6 | Compounding ingredients | |
| #7 | Building materials | |
| #8 | Steam turbines | |
| #9 | Domestic heating systems | |
| #10 | Vehicle tyre repairing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Metz Arthur | 29 |
| #2 | Lemarie Marcel | 3 |