| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 11 | |
| #2 | Switzerland | 7 | |
| #3 | Denmark | 4 | |
| #4 | United Kingdom | 2 | |
| #5 | Austria | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schuelke Julius | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US968700A | Flying apparatus. | |
| GB190710961A | Improvements in Flying Apparatus. | |
| GB189712923A | Improvements in Burners for Acetylene Gas. |