Assignee
PARKHURST CHARLES
CA·6 granted patents·30 citations·filing 1988–2012
Top patents by PatentIndex Score
6 records- 0179US9018923B2Dynamic bias soft start control apparatus and methodsPARKHURST CHARLES·Filed 2011·Granted Apr 28, 2015·6 cites·17 claims
- 0274US8390327B1Radiation-tolerant level shiftingPARKHURST CHARLES·Filed 2011·Granted Mar 5, 2013·4 cites·20 claims
- 0373US8436682B1Fourth-order electrical current source apparatus, systems and methodsPARKHURST CHARLES·Filed 2011·Granted May 7, 2013·5 cites·20 claims
- 0462US4852708ASpring shield for starter drives for internal combustion enginesPARKHURST CHARLES·Filed 1988·Granted Aug 1, 1989·14 cites·4 claims
- 0552US9000844B2Power efficient transconductance amplifier apparatus and systemsPARKHURST CHARLES·Filed 2012·Granted Apr 7, 2015·1 cites·18 claims
- 0634US8896323B2Radiation-tolerant overcurrent detectionPARKHURST CHARLES·Filed 2011·Granted Nov 25, 2014·0 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when PARKHURST CHARLES files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →