| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | United Kingdom | 4 | |
| #3 | Sweden | 3 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Thermal processes | |
| #4 | Chemical engineering | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zenkner K | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB1560117A | Cross-flow blower | |
| GB1349075A | Thermal afterburning of waste gases from industrial plant | |
| GB1318986A | Cross flow blower |