| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Brazil | 19 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Liquid hydrocarbon mixture production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Carneiro P | 19 |
| #2 | Ribeiro Filho A | 2 |
| #3 | Natal Bertoldo | 1 |
| #4 | Mattos H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BR7807949A | Tubular metallic structure system for housing construction |