| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 54 | |
| #2 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Mechanical elements | |
| #3 | Electrical machinery and energy | |
| #4 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Mechanically-driven clocks | |
| #2 | Electromechanical clocks | |
| #3 | Machines for making clocks | |
| #4 | Shafts | |
| #5 | Mechanical control devices | |
| #6 | Gearing | |
| #7 | Dynamo-electric machines | |
| #8 | Alloys | |
| #9 | Batteries | |
| #10 | Special measuring |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sonzogno Robert Antoine Paul | 1 |
| #2 | Michael Koman | 1 |
| #3 | Forey Francois-Henri | 1 |