CN

CEZAR OTAVIANO RIBEIRO NEGRAO

PS Petróleo Brasileiro S.A.—Petrobras: 1 patents #19 of 105Top 20%
📍 Curitiba, BR: #11 of 51 inventorsTop 25%
Overall (2023): #494,770 of 537,848Top 95%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11644155 Auxiliary system and method for starting or restarting the flow of gelled fluid Guilherme Dos Santos Vieira Lima, Eduardo Martinez Barreira, Nezia De Rosso, Paulo Henrique De Carvalho, Fernando Machado Kroetz 2023-05-09