| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 10 | |
| #2 | United Kingdom | 2 | |
| #3 | Belgium | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Puetz Peter | 2 |
| #2 | Klonner Stephan | 2 |
| #3 | Drehmann Dr-Ing Adolf | 2 |
| #4 | Heiles Dr-Ing Franz | 1 |
| #5 | Evertz Leonhard | 1 |
| #6 | Ruhl Kurt | 1 |
| #7 | Wilhelm Hoven | 1 |
| #8 | Funke Adolf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB725722A | Improvements in laminated magnetic cores for the ignition coils of internal combustion engines |