| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | Spain | 8 | |
| #3 | United Kingdom | 4 | |
| #4 | Austria | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Details of furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Popp Victor | 14 |
| Publication | Filing date | Title |
|---|---|---|
| GB191030390A | Improvements in Electric Furnaces. | |
| GB189629125A | Improved Apparatus for Re-charging the Reservoirs of Tramcars Worked by Compressed Air. | |
| GB189629126A | Improvements in Compressed Air Locomotive Carriages. | |
| GB189629124A | An Improved Slide Valve Motion. |