| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 12 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Elektromotorenbau Ag E M B | 5 |
| #2 | Paul Akermann | 2 |
| #3 | Walser Rudolf Dr | 2 |
| #4 | Baumgartner Hans Dipl Ing | 1 |
| #5 | Charles Rothenbuehler | 1 |
| #6 | Akermann Paul | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB884464A | Improvements in or relating to electric motor units |