Inventor · disambiguated record
Frederick Kieferndorf
Also filed as: KIEFERNDORF FREDERICK
7 granted patents·3 pending applications·39 citations·filing 2008–2023
79Inventor score
Top patents by PatentIndex Score
10 records- 0191US8766570B2Method for controlling a converterGEYER TOBIAS·Filed 2011·Granted Jul 1, 2014·25 cites·13 claims
- 0283US12323073B2Method for operating a power electronic converter device with floating cellsABB SCHWEIZ AG·Filed 2020·Granted Jun 3, 2025·2 cites·13 claims
- 0380US8737103B2Method and controller for controlling an electrical converter configured for generating an AC current for at least two phasesKIEFERNDORF FREDERICK·Filed 2012·Granted May 27, 2014·9 cites·23 claims
- 0476US10374431B2Power converter system for renewable energy sourcesABB SCHWEIZ AG·Filed 2017·Granted Aug 6, 2019·3 cites·19 claims
- 0557US12165819B2Control scheme for the operation of an electric motor actuator for a medium to high voltage circuit breakerHITACHI ENERGY LTD·Filed 2021·Granted Dec 10, 2024·0 cites·20 claims
- 0652US2025317072A1Carrier based model predictive control for converter with filter cellsABB SCHWEIZ AG·Filed 2023·Application pending·0 cites
- 0746US2025047213A1Optimized pulse patterns for controlling a neutral point voltageABB SCHWEIZ AG·Filed 2022·Application pending·0 cites
- 0840US11979094B2Method for operating a power electronic converter device with floating cellsABB SCHWEIZ AG·Filed 2020·Granted May 7, 2024·0 cites·15 claims
- 0940US7518397B2Chip with in-circuit programabilityINT RECTIFIER CORP·Filed 2008·Granted Apr 14, 2009·0 cites·14 claims
- 1033US2017063247A1Modulation method for controlling at least two parallel-connected, multi-phase power convertersABB TECHNOLOGY OY·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →