Assignee
HEIN DAVID A
US·4 granted patents·2 pending applications·18 citations·filing 2006–2012
Top patents by PatentIndex Score
6 records- 0188US8432175B2System and method for evaluating vehicle charging circuitsHEIN DAVID A·Filed 2010·Granted Apr 30, 2013·12 cites·20 claims
- 0275US8648606B2Ground monitorHEIN DAVID A·Filed 2010·Granted Feb 11, 2014·3 cites·13 claims
- 0373US9662987B2Method and apparatus for detecting the existence of a safety groundHEIN DAVID A·Filed 2012·Granted May 30, 2017·3 cites·5 claims
- 0447US8779717B2Offline power supply and charging apparatusHEIN DAVID A·Filed 2011·Granted Jul 15, 2014·0 cites·20 claims
- 0546US2007284945A1Map pocket illuminationHEIN DAVID A·Filed 2006·Application pending·0 cites
- 0633US2012249067A1Apparatus for correcting a dc bias for leakage currentHEIN DAVID A·Filed 2011·Application pending·0 cites
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