| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 15 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Engines, pumps and turbines | |
| #3 | Electrical machinery and energy | |
| #4 | Thermal processes | |
| #5 | Optics | |
| #6 | Packaging and shipping | |
| #7 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Siphons | |
| #2 | Metal production and refining | |
| #3 | Special electric heating or lighting | |
| #4 | Furnaces | |
| #5 | Optical systems | |
| #6 | Venting or aerating devices | |
| #7 | Non-metallic elements | |
| #8 | Transport or storage devices | |
| #9 | Rotary-pistons | |
| #10 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Winkler Otto Dr | 9 |
| #2 | Feichtinger Heinrich Dr | 2 |
| #3 | Kraus Thaddaeus Dr | 2 |
| #4 | Winkler O Dr | 1 |
| #5 | Kessi Eduard Dipl Ing | 1 |