| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Engines, pumps and turbines | |
| #3 | Chemical engineering | |
| #4 | Control | |
| #5 | Thermal processes | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Casings and printed circuits | |
| #3 | Separation | |
| #4 | Alarm systems | |
| #5 | Air-conditioning | |
| #6 | Loudspeakers and microphones | |
| #7 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pfannenberg Andreas | 13 |
| #2 | Starp Peter | 1 |
| #3 | Lodweg Wolfgang | 1 |
| #4 | Reutter Tobias | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2008045134A1 | Filter fan with a quick fixing device |