Individual holder
WILLAUER DARRIN L
US·2 granted patents·1 pending application·3 citations·filing 2009–2013
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0156US8505294B2Method and system for control of hydraulic systemsWILLAUER DARRIN L·Filed 2009·Granted Aug 13, 2013·3 cites·6 claims
- 0247US2014096956A1System and method of monitoring displacement of a member during a downhole completion operationWILLAUER DARRIN L·Filed 2013·Application pending·0 cites
- 0339US8857454B2Valving system and method of selectively halting injection of chemicalsWILLAUER DARRIN L·Filed 2011·Granted Oct 14, 2014·0 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →