| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 5 | |
| #2 | Italy | 4 | |
| #3 | France | 2 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Electrical machinery and energy | |
| #3 | Semiconductors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nery Maurice M | 1 |
| #2 | Nery Maurice | 1 |
| #3 | Gris Marcel P | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES8207639A1 | Improvements in the construction of unipolar detectors of alternative tensions. | |
| US4150332A | Voltage detector with spring biased sensor | |
| ES460945A1 | Voltage detector | |
| ES459916A1 | Checking apparatus for electrical circuits |