| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 6 | |
| #2 | United Kingdom | 3 | |
| #3 | Austria | 2 | |
| #4 | Canada | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Denmark | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Centrifuges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Freitag Andreas | 9 |
| Publication | Filing date | Title |
|---|---|---|
| GB190006225A | Improvements in Lubricating Devices for Horizontally Mounted Shafts, Eccentrics, Trunnions, and other like parts of Machinery. | |
| US668512A | Centrifugal machine. | |
| GB189905637A | Improvements relating to the Driving of Centrifugal Machines and Means therefor. | |
| CA55660A | Method of burning pulvernulent fuel and apparatus therefor | |
| GB189703129A | Improvements relating to the Burning of Pulverulent Fuel and to Apparatus therefor. |