| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Measuring light | |
| #2 | Radio navigation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Da Silva E | 10 |
| #2 | De Miranda Freire | 1 |
| #3 | Da Silva A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BR8000637A | Digital electronic key | |
| BR8000365A | Hearing protection |
SILVA E DA has a total of 13 patent applications. Its first patent ever was published in 1965. It filed its patents most often in Brazil and France. Its main competitors in its focus markets measurement are SILNY JOHN F, SENSOPART INDUSTRIESENSORIK GM and BARNES ENG CO.
| # | Industry | |
|---|---|---|
| #1 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Measuring light | |
| #2 | Radio navigation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Da Silva E | 10 |
| #2 | De Miranda Freire | 1 |
| #3 | Da Silva A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BR8000637A | Digital electronic key | |
| BR8000365A | Hearing protection |