| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 2 | |
| #4 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Materials and metallurgy | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Water-closets with flushing devices | |
| #2 | Foundry moulding | |
| #3 | Unspecified technologies | |
| #4 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wangelin Friedrich Georg | 11 |
| #2 | Friedrich Georg Wangelin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191117401A | Improvements in or relating to Urinals. | |
| GB191030224A | Improvements in or relating to Urinals. | |
| GB190928838A | Improvements in or relating to Water Supply or Flush Tanks. | |
| GB190927830A | Improvements in or relating to Siphon Flushing Apparatus. | |
| US1082056A | Water-supply or flush tank. | |
| US1032521A | Float-valve. |