Assignee
MARVIN DARYL J
US·5 granted patents·10 citations·filing 2009–2012
Top patents by PatentIndex Score
5 records- 0176US9296589B2Elevator regenerative drive control referenced to DC busMARVIN DARYL J·Filed 2010·Granted Mar 29, 2016·5 cites·9 claims
- 0260US10051040B2Elevator system using dual communication channelsMARVIN DARYL J·Filed 2012·Granted Aug 14, 2018·1 cites·16 claims
- 0356US9804612B2Regulated bootstrap power supplyMARVIN DARYL J·Filed 2010·Granted Oct 31, 2017·1 cites·17 claims
- 0454US8827044B2Over-acceleration and over-speed detection and processing systemMARVIN DARYL J·Filed 2009·Granted Sep 9, 2014·3 cites·34 claims
- 0537US8970152B2Elevator motor power supply controlMARVIN DARYL J·Filed 2010·Granted Mar 3, 2015·0 cites·22 claims
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