| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 9 | |
| #2 | Switzerland | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Measurement |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nissen Gerd | 3 |
| #2 | Haas Gerhard Dr | 2 |
| #3 | Nissen Adolf | 2 |
| #4 | Niessen Adolf | 1 |
| #5 | Adolf Nissen | 1 |
| #6 | Funk Herbert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB177190A | Improvements in spark strengtheners, especially in connection with combustion power engines with several cylinders |