| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 27 | |
| #2 | Germany | 2 | |
| #3 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Telecommunications | |
| #3 | Machine tools | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Electrically-conductive connections | |
| #3 | Installation of electric cables | |
| #4 | Distribution of electric power | |
| #5 | Telephonic communication | |
| #6 | Nails | |
| #7 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Laugel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1285602B | Impulse switch with two fixed end positions |