| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | Canada | 2 | |
| #3 | Denmark | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Spain | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bordigoni Victor | 10 |
| #2 | Maier David | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA104749A | Apparatus for destroying fecal matter | |
| US853217A | Apparatus for the automatic destruction of fecal matter and purification of residual liquids. | |
| GB190524322A | Apparatus for the Automatic Destruction or Bacterial Treatment of Sewage and for the Purification of Effluent or Residual Liquids. | |
| CA89649A | Tank for destroying sewage | |
| GB190411900A | Improvements relating to the Bacterial or Septic Tank Treatment of Sewage. |