| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 10 | |
| #2 | United States | 3 | |
| #3 | Canada | 1 | |
| #4 | Italy | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement | |
| #3 | Surface technology and coating | |
| #4 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heine Gunter | 3 |
| #2 | Berger Gerhard | 3 |
| #3 | Spiesberger August Dipl Ing | 3 |
| #4 | Spiesberger August | 2 |
| #5 | Beh Hans | 1 |
| #6 | Introp Jens | 1 |
| #7 | Lamm Arnold | 1 |
| #8 | Borgonovi Bruno | 1 |
| #9 | Schaffer Claus | 1 |
| #10 | Schnetzler Sven | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4031419A | Self-starting synchronous and stepping motor having a permanent magnet rotor | |
| DE1180823B | Time switch with freely adjustable switching time |