| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Brazil | 15 | |
| #2 | United States | 2 | |
| #3 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Casting metal | |
| #2 | Rotary-pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cardoso J | 4 |
| #2 | De Oliveira L | 3 |
| #3 | Cardoso Jose Joaquim | 2 |
| #4 | Caetano A | 1 |
| #5 | Sussmann M | 1 |
| #6 | Pinho L | 1 |
| #7 | Markiewicz J | 1 |
| #8 | Chacel C | 1 |
| #9 | Fenelon E | 1 |
| #10 | Silva G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BR7900233A | Refractory block magnesian pichado water cooled or refrigerant liquid, for wall covering of arc electric ovens | |
| US3479960A | Encased electric pump |