Individual holder
DROKE DAVID L
US·2 granted patents·48 citations·filing 2009–2012
Individually held — no corporate assignee on record.
Technology mixE21B2
Top patents by PatentIndex Score
2 records- 0187US8127867B1Method and system for surface filtering of solids from return fluids in well operationsDROKE DAVID L·Filed 2009·Granted Mar 6, 2012·38 cites·18 claims
- 0284US8439112B1Method and system for surface filtering of solids from return fluids in well operationsDROKE DAVID L·Filed 2012·Granted May 14, 2013·10 cites·8 claims
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