| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | United Kingdom | 2 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Basic materials chemistry | |
| #6 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Transport or storage devices | |
| #3 | Cyclones | |
| #4 | Fuels | |
| #5 | Supplying combustion engines | |
| #6 | Dynamo-electric machines | |
| #7 | Chemical or physical processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hermann Klug | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1536592A | Cyclone dust collector | |
| GB193348A | Improvements in the method of, and apparatus for, pneumatically conveying granular bulk material |