| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Belgium | 3 | |
| #3 | Germany | 3 | |
| #4 | France | 3 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Computer technology | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pierre Hardy | 4 |
| #2 | Simeon Lekarski | 4 |
| #3 | Lekarski Simeon | 4 |
| #4 | Leon Hardy | 4 |
| #5 | Hardy P | 3 |
| #6 | Hardy Leon | 3 |
| #7 | Hardy L | 3 |
| #8 | Hardy Pierre | 3 |
| #9 | Lekarski S | 3 |
| #10 | Jean Gachot | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3932001A | Pneumatic control device with programmed characteristic particularly for a vehicle braking device |