| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | Germany | 3 | |
| #3 | France | 3 | |
| #4 | Italy | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Internal-combustion piston engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Spahn Emil | 4 |
| #2 | Emil Spahn | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2619749A1 | Thermostat with miniature rocker switch - has U:shaped metal housing, open at three sides with switch between side walls | |
| DE2619837A1 | Snap action switch with moving contact carrier bridge - has contact bridges and switching element in form of leaf spring stack |