Inventor · disambiguated record
Jürgen Häfner
Also filed as: HAEFNER JUERGEN · HAEFNER JURGEN · HAFNER JÜRGEN · HÄFNER JURGEN
19 granted patents·1 pending application·131 citations·filing 2003–2015
93Inventor score
Top patents by PatentIndex Score
20 records- 0195US8803358B2HVDC switchyard and an HVDC switchyard systemHÄFNER JÜRGEN·Filed 2011·Granted Aug 12, 2014·21 cites·21 claims
- 0291US9065326B2Switching module for use in a device to limit and/or break the current of a power transmission or distribution lineHÄFNER JÜRGEN·Filed 2010·Granted Jun 23, 2015·19 cites·20 claims
- 0391US8891209B2HVDC hybrid circuit breaker with snubber circuitHÄFNER JÜRGEN·Filed 2011·Granted Nov 18, 2014·26 cites·9 claims
- 0490US8717716B2Device and method to break the current of a power transmission or distribution line and current limiting arrangementHÄFNER JÜRGEN·Filed 2009·Granted May 6, 2014·23 cites·43 claims
- 0579US9618244B2Power electronics coolingABB TECHNOLOGY AG·Filed 2015·Granted Apr 11, 2017·4 cites·16 claims
- 0679US9208979B2High voltage DC breaker apparatusHÄFNER JURGEN·Filed 2010·Granted Dec 8, 2015·6 cites·18 claims
- 0774US8896364B2Reliability in semiconductor device controlHÄFNER JÜRGEN·Filed 2011·Granted Nov 25, 2014·4 cites·24 claims
- 0870US9468133B2Modular cooling systemABB TECHNOLOGY AG·Filed 2015·Granted Oct 11, 2016·2 cites·20 claims
- 0967US7126348B2Method and a device for voltage measurement in a high-voltage conductorABB AB·Filed 2003·Granted Oct 24, 2006·15 cites·14 claims
- 1065US9564829B2Converter arm and associated converter deviceABB TECHNOLOGY LTD·Filed 2012·Granted Feb 7, 2017·2 cites·20 claims
- 1165US8817427B2Current limitation system for limiting the effects of a fault in a DC grid and a method of operating a current limitation systemBERGGREN BERTIL·Filed 2011·Granted Aug 26, 2014·2 cites·20 claims
- 1261US8848322B2Gate control circuit, power module and associated methodHÄFNER JÜRGEN·Filed 2011·Granted Sep 30, 2014·2 cites·17 claims
- 1358US9112347B2DC grid and a method of limiting the effects of a fault in a DC gridBERGGREN BERTIL·Filed 2011·Granted Aug 18, 2015·1 cites·18 claims
- 1455US8817445B1Voltage surge protection device and high voltage circuit breakersLUNDQUIST JAN·Filed 2011·Granted Aug 26, 2014·2 cites·20 claims
- 1552US10050551B1Arrangement, method and computer program product for limiting circulating currentsABB SCHWEIZ AG·Filed 2015·Granted Aug 14, 2018·1 cites·16 claims
- 1650US8830636B2High voltage DC switchyard with semiconductor switchesASPLUND GUNNAR·Filed 2010·Granted Sep 9, 2014·1 cites·21 claims
- 1742US9450394B2Method, circuit breaker and switching unit for switching off high-voltage DC currentsABB TECHNOLOGY AG·Filed 2013·Granted Sep 20, 2016·0 cites·30 claims
- 1840US9473014B2Mechanical bypass switch device, converter arm and power converterABB SCHWEIZ AG·Filed 2013·Granted Oct 18, 2016·0 cites·16 claims
- 1936US2013050881A1Plant for transmitting high voltage dc electric power including overvoltage protectionHAEFNER JURGEN·Filed 2010·Application pending·0 cites
- 2034US8767420B1Power supply for controlling a power switchHÄFNER JÜRGEN·Filed 2011·Granted Jul 1, 2014·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →