| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 7 | |
| #2 | Austria | 5 | |
| #3 | Switzerland | 4 | |
| #4 | Germany | 4 | |
| #5 | Canada | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Measuring electric variables | |
| #2 | Circuits for supplying electric power |
| # | Name | Total Patents |
|---|---|---|
| #1 | Instrument Company Weston Elec | 4 |
| #2 | Goodwin Jr William Nelson | 1 |
| #3 | Weston Edward | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1523803A | Ground detector | |
| GB109046A | Thermal-ammeters. | |
| CA260978A | Telephone plug connector |