| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 13 | |
| #2 | Germany | 8 | |
| #3 | France | 3 | |
| #4 | United Kingdom | 2 | |
| #5 | Switzerland | 1 | |
| #6 | Spain | 1 | |
| #7 | Finland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Control |
| # | Technology | |
|---|---|---|
| #1 | Preheating for stem generation | |
| #2 | Siphons | |
| #3 | Steam traps | |
| #4 | Systems controlling non-electric variables | |
| #5 | Cleaning heat-exchanger internal surfaces | |
| #6 | Grates |
| # | Name | Total Patents |
|---|---|---|
| #1 | Machek Anton | 3 |
| #2 | Rudolf Fiala | 1 |
| #3 | Schiff Stern | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES146507A1 | A hold key | |
| GB192647A | Improvements in steam-traps and the like | |
| GB107199A | Improvements relating to Steam Traps and Condensed Water Drainers. |