| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | United Kingdom | 4 | |
| #3 | Switzerland | 2 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Mechanical elements | |
| #3 | Measurement | |
| #4 | Engines, pumps and turbines | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Venting or aerating devices | |
| #3 | Measuring temperature | |
| #4 | Unspecified technologies | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Karl Schnetzer | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB208115A | Improved method of preventing the formation of scale in steam boilers, evaporators, economisers, condensers, and the like | |
| GB211588A | An improved method of preventing the formation of scale in steam boilers, evaporators, economisers and the like | |
| US1511302A | Shut-off valve for steam, gas, or fluid | |
| GB159504A | An improved stop valve for steam or other fluid |