P

Inventor

KIEFERNDORF FREDERICK

CH7 patents
⚠️ This page may combine multiple inventors who share the name “KIEFERNDORF FREDERICK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ABB SCHWEIZ AG

3 patents
US10374431B2Aug 6, 2019

Power converter system for renewable energy sources

ABB SCHWEIZ AG3 citations70
US12323073B2Jun 3, 2025

Method for operating a power electronic converter device with floating cells

ABB SCHWEIZ AG2 citations69
US11979094B2May 7, 2024

Method for operating a power electronic converter device with floating cells

ABB SCHWEIZ AG0 citations44

GEYER TOBIAS

1 patent
US8766570B2Jul 1, 2014

Method for controlling a converter

GEYER TOBIAS25 citations87

KIEFERNDORF FREDERICK

1 patent
US8737103B2May 27, 2014

Method and controller for controlling an electrical converter configured for generating an AC current for at least two phases

KIEFERNDORF FREDERICK9 citations76

HITACHI ENERGY LTD

1 patent
US12165819B2Dec 10, 2024

Control scheme for the operation of an electric motor actuator for a medium to high voltage circuit breaker

HITACHI ENERGY LTD0 citations54

INT RECTIFIER CORP

1 patent
US7518397B2Apr 14, 2009

Chip with in-circuit programability

INT RECTIFIER CORP0 citations48