| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 | |
| #2 | United States | 2 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Electromechanical clocks | |
| #2 | Dynamo-electric machines | |
| #3 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Emil Zbinden | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB485521A | Electric time switch | |
| US1702715A | Time-switch-actuating means | |
| US1739885A | Alternating-current driving device |