| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 8 | |
| #2 | Denmark | 7 | |
| #3 | Brazil | 4 | |
| #4 | Italy | 3 | |
| #5 | Luxembourg | 3 | |
| #6 | Australia | 1 | |
| #7 | Ireland | 1 | |
| #8 | United States | 1 | |
| #9 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Sewers | |
| #2 | Unspecified technologies | |
| #3 | Shaping of plastics | |
| #4 | Unspecified technologies | |
| #5 | Pipes | |
| #6 | Domestic plumbing installations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kessel B | 14 |
| #2 | Kessel Bernhardt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BR8000884A | Water drain container | |
| LU82131A1 | Water discharge device |