Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10488111 | Metallurgical furnace for producing metallic alloys | Hermes Joaquim Ferreira Filho, Luciano Augusto Morais Maia, André Silva da Luz, Geovane Viturino da Silva, Roberto Okada Junior | 2019-11-26 |
| 9951992 | Metallurgical furnace | Hermes Joaquim Ferreira Filho | 2018-04-24 |