Inventor · disambiguated record
Ari Wahlroos
Also filed as: WAHLROOS ARI · WAHLROOS ARI KALEVI
15 granted patents·2 pending applications·65 citations·filing 2003–2023
90Inventor score
Top patents by PatentIndex Score
17 records- 0188US7728600B2System and method for determining location of phase-to-earth faultABB TECHNOLOGY AG·Filed 2007·Granted Jun 1, 2010·18 cites·23 claims
- 0282US8081002B2Apparatus and method for determining location of phase-to-phase fault or three-phase faultWAHLROOS ARI·Filed 2009·Granted Dec 20, 2011·13 cites·19 claims
- 0381US11831146B2Method and apparatus for use in earth-fault protectionABB SCHWEIZ AG·Filed 2020·Granted Nov 28, 2023·1 cites·10 claims
- 0478US7514933B2System and method for determining location of phase-to-earth faultABB OY·Filed 2006·Granted Apr 7, 2009·10 cites·23 claims
- 0570US8022709B2Method and apparatus for determining circular characteristicABB TECHNOLOGY AG·Filed 2006·Granted Sep 20, 2011·6 cites·22 claims
- 0662US12301131B2Method and apparatus for controlling neutral point voltage of three-phase resonant-earthed electric networkABB SCHWEIZ AG·Filed 2023·Granted May 13, 2025·0 cites·21 claims
- 0762US7999557B2Method for determining location of phase-to-earth faultABB TECHNOLOGY AG·Filed 2008·Granted Aug 16, 2011·4 cites·23 claims
- 0862US7233153B2Method and system for determining location of phase-to-earth faultABB OY·Filed 2006·Granted Jun 19, 2007·4 cites·10 claims
- 0958US8717036B2Method and apparatus for detecting a phase-to-earth faultWAHLROOS ARI·Filed 2011·Granted May 6, 2014·1 cites·15 claims
- 1057US8981785B2Method and apparatus for detecting earth faultWAHLROOS ARI·Filed 2012·Granted Mar 17, 2015·1 cites·13 claims
- 1156US2025012839A1Fault location detection in tapped power distribution linesABB SCHWEIZ AG·Filed 2023·Application pending·0 cites
- 1251US11522355B2Method and apparatus for use in earth-fault protectionABB SCHWEIZ AG·Filed 2020·Granted Dec 6, 2022·0 cites·19 claims
- 1349US8044666B2Method for determining location of phase-to earth faultABB TECHNOLOGY AG·Filed 2008·Granted Oct 25, 2011·1 cites·19 claims
- 1445US7075764B2Method and arrangement for reducing stress in electrical networkABB OY·Filed 2003·Granted Jul 11, 2006·6 cites·26 claims
- 1543US9425609B2Method and apparatus for differential protection of an electric connectionABB TECHNOLOGY AG·Filed 2012·Granted Aug 23, 2016·0 cites·12 claims
- 1642US8838402B2Method and arrangement for voltage measurementABB TECHNOLOGY AG·Filed 2012·Granted Sep 16, 2014·0 cites·18 claims
- 1740US2013043894A1Method and arrangement for determining impedance valuesABB TECHNOLOGY AG·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →