WM

Waldir Pedro Martignoni

PS Petróleo Brasileiro S.A.—Petrobras: 2 patents #73 of 1,087Top 7%
PS Petroleo Brasileiro S.A.: 1 patents #12 of 74Top 20%
📍 São Mateus do Sul, BR: #2 of 25 inventorsTop 8%
Overall (All Time): #1,561,973 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7967975 Sealing system for cyclone leg Jose Geraldo Furtado Ramos, Eduardo Guerra, Jose Mozart Fusco, Aurelio Dubois, Wilson Kenzo Huziwara 2011-06-28
7531142 Multifunctional entry device for a downward flow tube reactor Wilson Kenzo Huziwara, Mauro Silva, Jose Geraldo Furtado Ramos, Aurelio Dubois, Paulo Sergio Freire 2009-05-12
7081229 Second stage cyclone dipleg termination device in FCC units Wilson Kenzo Huziwara, Eduardo Cardoso De Melo Guerra, Aurelio Dubois, Luiz Carlos Casavechia, Jose Mozart Fusco 2006-07-25