Inventor
NIELSEN HENNING ROAR
DK28 patents
⚠️ This page may combine multiple inventors who share the name “NIELSEN HENNING ROAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMERICAN POWER CONV CORP
15 patentsUS6838925B1Jan 4, 2005
Three level inverter
AMERICAN POWER CONV CORP109 citations98
US7274112B2Sep 25, 2007
Method and apparatus for providing uninterruptible power
AMERICAN POWER CONV CORP77 citations97
US7126409B2Oct 24, 2006
Three level inverter
AMERICAN POWER CONV CORP56 citations96
US8344551B2Jan 1, 2013
3-phase high-power UPS
AMERICAN POWER CONV CORP27 citations92
US8008809B2Aug 30, 2011
3-phase high power UPS
AMERICAN POWER CONV CORP18 citations92
US7688048B2Mar 30, 2010
3-phase high power UPS
AMERICAN POWER CONV CORP27 citations92
US7456518B2Nov 25, 2008
Method and apparatus for providing uninterruptible power
AMERICAN POWER CONV CORP46 citations92
US8053927B2Nov 8, 2011
Method and apparatus for providing uninterruptible power
AMERICAN POWER CONV CORP30 citations91
US7855472B2Dec 21, 2010
Method and apparatus for providing uninterruptible power
AMERICAN POWER CONV CORP20 citations91
US7737580B2Jun 15, 2010
Method and apparatus for providing uninterruptible power
AMERICAN POWER CONV CORP29 citations91
US7705489B2Apr 27, 2010
Method and apparatus for providing uninterruptible power
AMERICAN POWER CONV CORP41 citations91
US7456524B2Nov 25, 2008
Apparatus for and methods of polyphase power conversion
AMERICAN POWER CONV CORP33 citations90
US7352083B2Apr 1, 2008
Apparatus for and method of UPS operation
AMERICAN POWER CONV CORP34 citations88
US6956755B2Oct 18, 2005
Resonant converter
AMERICAN POWER CONV CORP11 citations74
US7583521B2Sep 1, 2009
Over voltage clamp
AMERICAN POWER CONV CORP5 citations54
SCHNEIDER ELECTRIC IT CORP
5 patentsUS8842452B2Sep 23, 2014
3-phase high power UPS
SCHNEIDER ELECTRIC IT CORP17 citations92
US9595876B2Mar 14, 2017
DC-DC converter
SCHNEIDER ELECTRIC IT CORP9 citations84
US10778032B2Sep 15, 2020
Systems and methods for improving efficiency of a neutral-point-clamped inverter
SCHNEIDER ELECTRIC IT CORP2 citations73
US11973483B2Apr 30, 2024
Coupled filter inductor for interleaved power converter
SCHNEIDER ELECTRIC IT CORP1 citations62
US10978961B2Apr 13, 2021
Pulsed rectifier architecture
SCHNEIDER ELECTRIC IT CORP0 citations62
NIELSEN HENNING ROAR
3 patentsUS8664796B2Mar 4, 2014
3-phase high power ups
NIELSEN HENNING ROAR19 citations91
US8143744B2Mar 27, 2012
Method and apparatus for providing uninterruptible power
NIELSEN HENNING ROAR19 citations89
US9722459B2Aug 1, 2017
Apparatus and method for providing uninterruptible power
NIELSEN HENNING ROAR0 citations51