| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | China | 3 | |
| #4 | EPO (European Patent Office) | 3 | |
| #5 | Republic of Korea | 2 | |
| #6 | United States | 2 | |
| #7 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Fire-fighting | |
| #2 | Venting or aerating devices | |
| #3 | Spraying devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dirksmeier Roger | 10 |
| #2 | Hiltemann Ulrich | 10 |
| #3 | Dahlhaus Jörg | 5 |
| #4 | Friessner Martin | 3 |
| #5 | Dirksmeier Dipl -Ing Roger | 2 |
| #6 | Sprakel Dirk | 2 |
| #7 | Kopp Rüdiger E | 2 |
| #8 | Lakkonen Max | 2 |
| #9 | Sprakel Dirk K | 2 |
| #10 | Dirksmeier Dipl-Ing Roger | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102018119798A1 | Method of monitoring valves | |
| DE102018109305A1 | Fire-Fighting Equipment | |
| DE102015115449A1 | Fire fighting system with two-stage heating | |
| DE102015115450A1 | tube heater | |
| DE102011102693A1 | Extinguishing nozzle head with flow channel |