Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10300516 | Process for producing a multilayer pipe by expansion and multilayer pipe produced by said process | Julio Marcio Silveira E Silva, Timo Ebeling, Hezick Da Silva Perdigao, Danielle Granha Giorgini, Gustavo Alves Pinheiro +1 more | 2019-05-28 |
| 9739400 | Coupling for connecting tubular elements for bottom-hole assemblies | Alexandre Vieira Cardoso, Julio Cesar Da Silva | 2017-08-22 |