| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 16 | |
| #2 | Germany | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering | |
| #4 | Thermal processes | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Water-closets with flushing devices | |
| #2 | Domestic plumbing installations | |
| #3 | Cleaning | |
| #4 | Finishing work on buildings | |
| #5 | Pipes | |
| #6 | Air-conditioning | |
| #7 | Sanitary equipment | |
| #8 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Richard Gruber | 4 |
| #2 | Lifka Hans Prof | 3 |
| #3 | Max Grimmer | 2 |
| #4 | Karl Boesch | 2 |
| #5 | Gruber Richard | 1 |
| #6 | Kera-Werke Ag | 1 |
| #7 | Karl Babberger-Buser | 1 |
| #8 | Siegfried Stoefer | 1 |
| #9 | Lifka Hans | 1 |
| #10 | Max Derendinger | 1 |