| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 16 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machine tools | |
| #3 | Mechanical elements | |
| #4 | Civil engineering | |
| #5 | Control | |
| #6 | Packaging and shipping |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wittekind Frankfurter Maschine | 11 |
| #2 | Dagobert Marggraf | 2 |
| #3 | Gerald Wettengel | 1 |
| #4 | Frankfurter Maschinenbau-Aktie | 1 |
| #5 | Karl Mueller | 1 |
| #6 | Erwin Englert | 1 |
| #7 | Leo Kessler | 1 |