EC

Elmer S. Castillo

Saudi Arabian Oil: 1 patents #371 of 1,254Top 30%
📍 Al Uthmaniyah, SA: #7 of 27 inventorsTop 30%
Overall (2025): #397,772 of 469,880Top 85%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12215722 Emergency isolation valve control design Yousef H. Mubarak, Manoj Chetia 2025-02-04