| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 9 | |
| #2 | United Kingdom | 2 | |
| #3 | United States | 2 | |
| #4 | Switzerland | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Centrifuges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hampl Franz | 14 |
| #2 | Franz Hampl | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US928750A | Centrifugal device. | |
| GB190800488A | Means for Separately Collecting Different Portions of Liquid Discharged from a Hydro-extractor. | |
| GB190213547A | Improvements in Centrifugal Separators. | |
| US725560A | Centrifugal machine. |