| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | United States | 4 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Consumer goods | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Mechanically-driven clocks | |
| #2 | Electromechanical clocks | |
| #3 | Personal adornments | |
| #4 | Nails | |
| #5 | Hairstyling and cosmetic | |
| #6 | Hand carried bags |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hatot Leon | 9 |
| #2 | Leon Hatot | 4 |
| Publication | Filing date | Title |
|---|---|---|
| US2021777A | Self winding watch | |
| US1914015A | Self winding watch | |
| US1651119A | Electromagnetic clock | |
| US1527255A | Electromagnetic clock |