| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 4 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Australia | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Environmental technology | |
| #3 | Control | |
| #4 | Machines | |
| #5 | Mechanical elements | |
| #6 | Measurement |
| # | Name | Total Patents |
|---|---|---|
| #1 | Klee Klaus | 10 |
| #2 | Klee Ingmar | 6 |
| #3 | Klee Axel | 6 |
| #4 | Lüdemann Torsten | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2016034734A1 | Leakage protection device for sanitary installations | |
| EP2902683A1 | Shut-off valve | |
| CN103890284A | Building water safety device | |
| WO2013000823A1 | Frost-resistant external wall valve for low temperatures | |
| WO2013000824A1 | Valve unit for controlling ventilation or reverse flow |