Individual holder
PIERIK RONALD J
US·2 granted patents·2 citations·filing 2012–2012
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 records- 0165US9512749B2System and method for calibrating a valve lift sensor and evaluating a valve lift sensor and a hydraulic valve actuatorPIERIK RONALD J·Filed 2012·Granted Dec 6, 2016·1 cites·22 claims
- 0258US9863293B2Variable valve actuation system including an accumulator and a method for controlling the variable valve actuation systemPIERIK RONALD J·Filed 2012·Granted Jan 9, 2018·1 cites·22 claims
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