| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 11 | |
| #2 | France | 7 | |
| #3 | Germany | 3 | |
| #4 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Transport | |
| #3 | Materials and metallurgy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pierre Mathys | 9 |
| #2 | Willy Zenger | 4 |
| #3 | Mathys Pierre | 2 |
| #4 | Mathy Pierre | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR1546209A | Fixing devices for the inner end of a watch balance spring | |
| DE1523923A1 | Clock with a pressure indicator | |
| FR1496811A | Watch including a pressure indicator mechanism | |
| FR1408471A | Aneroid barometer | |
| US3157985A | Watch incorporating a barometer | |
| FR1303738A | Calendar timepiece | |
| US3129555A | Time piece showing the days of the months | |
| FR1300195A | Device for instantaneous movement of a date dial | |
| FR1300194A | Self-winding watch | |
| FR1300193A | Watch |