| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 7 | |
| #2 | Spain | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Engines, pumps and turbines | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Non-positive-displacement pumps | |
| #3 | Air-conditioning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rukstuhl Jakob | 10 |
| Publication | Filing date | Title |
|---|---|---|
| GB191516205A | Apparatus for Preventing the Ejection of Drops from the Tubes of Appliances for Moistening Air. | |
| GB190924054A | Air Humidifying Apparatus with Ventilating Device. |