Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Nalin Weerasinghe — 1 Patent in 2021

Schlumberger Technology: 1 patents #221 of 860Top 30%
Sagamihara, TX: #2 of 2 inventorsTop 100%
Overall (2021): #319,702 of 548,734Top 60%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11118408 Downhole steering system and methods Jonathan Marshall, Edward George Parkin, Geoffrey C. Downton, David C. Hoyle, Dennis Patrick Chestnutt 2021-09-14