| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 24 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Electrical machinery and energy | |
| #3 | Thermal processes | |
| #4 | Control | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Acetylene production | |
| #2 | Burners | |
| #3 | Portable lighting devices | |
| #4 | Venting or aerating devices | |
| #5 | Systems controlling non-electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Continental-Licht-Und Apparate | 15 |
| #2 | Apparatebau-Gesellschaft M B H | 3 |
| #3 | Duebendorf Continental-Licht-U | 1 |
| #4 | Apparatebau Ag Continental Lic | 1 |
| #5 | Licht-Und Apparatebau-Aktienge | 1 |