Inventor · disambiguated record
Dieter Dohnal
Also filed as: DOHNAL DIETER
40 granted patents·9 pending applications·517 citations·filing 1991–2014
98Inventor score
Files withREINHAUSEN MASCHF SCHEUBECK31BRUECKL OLIVER5DOHNAL DIETER3VON BLOH JOCHEN3ALBRECHT WOLFGANG1
Top patents by PatentIndex Score
49 records- 0191US6060669ATap selectorREINHAUSEN MASCHF SCHEUBECK·Filed 1998·Granted May 9, 2000·69 cites·8 claims
- 0284US6856122B2Thyristor tap changerREINHAUSEN MASCHF SCHEUBECK·Filed 2001·Granted Feb 15, 2005·26 cites·4 claims
- 0384US5107200ALoad switch for a step transformerREINHAUSEN MASCHF SCHEUBECK·Filed 1991·Granted Apr 21, 1992·43 cites·13 claims
- 0483US8648587B2Arrangement of a stepping switch on a control transformerBRUECKL OLIVER·Filed 2010·Granted Feb 11, 2014·7 cites·1 claims
- 0582US6124726AMethod of monitoring a tap selectorREINHAUSEN MASCHF SCHEUBECK·Filed 1998·Granted Sep 26, 2000·42 cites·10 claims
- 0679US9640341B2On-load tap changerREINHAUSEN MASCHF SCHEUBECK·Filed 2014·Granted May 2, 2017·4 cites·15 claims
- 0779US9165726B2Tap changer and vacuum switching tube for such a tap changerDOHNAL DIETER·Filed 2011·Granted Oct 20, 2015·5 cites·6 claims
- 0878US5523674AStep switchREINHAUSEN MASCHF SCHEUBECK·Filed 1993·Granted Jun 4, 1996·33 cites·13 claims
- 0976US7463010B2Multipoint switchREINHAUSEN MASCHF SCHEUBECK·Filed 2004·Granted Dec 9, 2008·17 cites·16 claims
- 1073US6091032ATap changerREINHAUSEN MASCHF SCHEUBECK·Filed 1998·Granted Jul 18, 2000·28 cites·5 claims
- 1170US7656138B2Device for regulating electrical voltageREINHAUSEN MASCHF SCHEUBECK·Filed 2005·Granted Feb 2, 2010·7 cites·5 claims
- 1270US6100674AMethod of monitoring a tap changerREINHAUSEN MASCHF SCHEUBECK·Filed 1998·Granted Aug 8, 2000·27 cites·8 claims
- 1368US6087607APosition signalling deviceREINHAUSEN MASCHF SCHEUBECK·Filed 1998·Granted Jul 11, 2000·21 cites·10 claims
- 1467US5786552ASwitching arrangement for load change-over switches of step switches and for selector switchesREINHAUSEN MASCHF SCHEUBECK·Filed 1995·Granted Jul 28, 1998·23 cites·5 claims
- 1567US5736827AMotor driven step switchREINHAUSEN MASCHF SCHEUBECK·Filed 1993·Granted Apr 7, 1998·28 cites·12 claims
- 1662US6234106B1Position indicatorREINHAUSEN MASCHF SCHEUBECK·Filed 1998·Granted May 22, 2001·18 cites·2 claims
- 1761US8624565B2On-load tap changer comprising semiconductor switching elementsBRUECKL OLIVER·Filed 2010·Granted Jan 7, 2014·1 cites·9 claims
- 1858US9123464B2Transformer with on-load tap changerVON BLOH JOCHEN·Filed 2013·Granted Sep 1, 2015·1 cites·4 claims
- 1958US8415987B2Tap switch with semiconductor switching elementsBRUECKL OLIVER·Filed 2008·Granted Apr 9, 2013·2 cites·4 claims
- 2058US8289068B2Method for switching without any interruption between winding taps on a tap-changing transformerBRUECKL OLIVER·Filed 2008·Granted Oct 16, 2012·2 cites·3 claims
- 2157US6965217B2Tap changing assembly for power transformerREINHAUSEN MASCHF SCHEUBECK·Filed 2004·Granted Nov 15, 2005·8 cites·5 claims
- 2256US9275788B2Control transformerVON BLOH JOCHEN·Filed 2013·Granted Mar 1, 2016·2 cites·4 claims
- 2355US5266759AActuator for a step-transformer load switchREINHAUSEN MASCHF SCHEUBECK·Filed 1992·Granted Nov 30, 1993·13 cites·10 claims
- 2453US6518771B2Method of monitoring the contact burnoff in tap changersUPJOHN CO·Filed 2001·Granted Feb 11, 2003·8 cites·4 claims
- 2553US5516992ATransformer tap changing and step switch assemblyREINHAUSEN MASCHF SCHEUBECK·Filed 1993·Granted May 14, 1996·11 cites·7 claims
- 2652US5165295AEnd stop for stepper for step-type transformerREINHAUSEN MASCHF SCHEUBECK·Filed 1991·Granted Nov 24, 1992·16 cites·5 claims
- 2751US7497745B2Contact arrangementREINHAUSEN MASCHF SCHEUBECK·Filed 2005·Granted Mar 3, 2009·2 cites·10 claims
- 2851US7449851B2Arrangement for automatically influencing a mains supply and motor drive thereforREINHAUSEN MASCHF SCHEUBECK·Filed 2002·Granted Nov 11, 2008·1 cites·8 claims
- 2951US5694034ATap changer for a tapped or stepped transformerREINHAUSEN MASCHF SCHEUBECK·Filed 1996·Granted Dec 2, 1997·12 cites·3 claims
- 3050US7179369B2Oil filter systemREINHAUSEN MASCHF SCHEUBECK·Filed 2003·Granted Feb 20, 2007·3 cites·8 claims
- 3149US9918359B2Device and method for reducing network reactions when an electric arc furnace is in operationREINHAUSEN MASCHF SCHEUBECK·Filed 2013·Granted Mar 13, 2018·0 cites·4 claims
- 3248US6529858B1Method of controlling step switchesREINHAUSEN MASCHF SCHEUBECK·Filed 2000·Granted Mar 4, 2003·6 cites·6 claims
- 3348US5128605AMonitoring system for step-type switching transformerREINHAUSEN MASCHF SCHEUBECK·Filed 1991·Granted Jul 7, 1992·12 cites·9 claims
- 3447US9054522B2On-load tap changerDOHNAL DIETER·Filed 2011·Granted Jun 9, 2015·0 cites·4 claims
- 3544US2015215998A1Device and method for controlling an electric arc furnace in the initial phase of a melting processREINHAUSEN KG MASCHF·Filed 2013·Application pending·0 cites
- 3643US2011063064A1Power transformer having a stepping switchALBRECHT WOLFGANG·Filed 2009·Application pending·0 cites
- 3741US7550688B2Tap changer having a switching monitoring deviceREINHAUSEN MASCHF SCHEUBECK·Filed 2006·Granted Jun 23, 2009·0 cites·9 claims
- 3841US2015325387A1On-load tap changer with connection to oil reservoir of a transformerREINHAUSEN MASCHF SCHEUBECK·Filed 2013·Application pending·0 cites
- 3938US8669746B2On-load tap changer comprising semiconductor switching elementsBRUECKL OLIVER·Filed 2010·Granted Mar 11, 2014·0 cites·9 claims
- 4038US5773970ATap changer with tickler coil for arcless tap changingREINHAUSEN MASCHF SCHEUBECK·Filed 1996·Granted Jun 30, 1998·6 cites·9 claims
- 4138US2014354390A1Tap changerENGEL STEFAN·Filed 2012·Application pending·0 cites
- 4237US2013213777A1Tap changerDOHNAL DIETER·Filed 2011·Application pending·0 cites
- 4336US2015271879A1Device and method for the process-based power control of an electric arc furnaceREINHAUSEN MASCHF SCHEUBECK·Filed 2013·Application pending·0 cites
- 4435US7468091B2Method for dehumidifying air and air dehumidifier for oil-insulated transformers, reactance coils and step switchesMASCHINEFABRIK REINHAUSEN GMBH·Filed 2004·Granted Dec 23, 2008·1 cites·4 claims
- 4535US5374781AContact assembly for selector of step transformerMASCH BAUFABRIK REINHAUSEN GMB·Filed 1992·Granted Dec 20, 1994·6 cites·14 claims
- 4634US2007051595A1Method for monitoring contact consumption in multiple contact switchesREINHAUSEN MASCHF SCHEUBECK·Filed 2004·Application pending·0 cites
- 4732US2014197816A1Tap changerVON BLOH JOCHEN·Filed 2012·Application pending·0 cites
- 4828US6307283B1Position signalling device for a motor driveREINHAUSEN MASCHF SCHEUBECK·Filed 1998·Granted Oct 23, 2001·6 cites·5 claims
- 4928US2013249528A1Tap changerBISKOPING MATTHIAS·Filed 2011·Application pending·0 cites
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