| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 12 | |
| #2 | Switzerland | 4 | |
| #3 | Germany | 2 | |
| #4 | Spain | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Domestic plumbing installations | |
| #2 | Sanitary equipment | |
| #3 | Installations for obtaining water | |
| #4 | Pipes | |
| #5 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rotter Walter | 14 |
| #2 | Walter Rotter | 4 |
| Publication | Filing date | Title |
|---|---|---|
| ES328655A1 | Improvements in strangulation organs for valves of water taking. (Machine-translation by Google Translate, not legally binding) | |
| ES291255A1 | Improvements in the construction of pieces of one piece and in the form of box for laundry in series (Machine-translation by Google Translate, not legally binding) |