Dieter DOHNAL

Person

Lapersdorf, DE

People

Patents Grantslast 30 patents

Information Patent Grant
On-load tap changer
- Patent number 9,640,341
- Issue date May 2, 2017
- MASCHINENFABRIK REINHAUSEN GMBH
- Klaus Hoepfl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Control transformer
- Patent number 9,275,788
- Issue date Mar 1, 2016
- MASCHINENFABRIK REINHAUSEN GMBH
- Jochen Von Bloh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Tap changer and vacuum switching tube for such a tap changer
- Patent number 9,165,726
- Issue date Oct 20, 2015
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transformer with on-load tap changer
- Patent number 9,123,464
- Issue date Sep 1, 2015
- MASCHINENFABRIK REINHAUSEN GMBH
- Jochen Von Bloh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
On-load tap changer
- Patent number 9,054,522
- Issue date Jun 9, 2015
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
On-load tap changer comprising semiconductor switching elements
- Patent number 8,669,746
- Issue date Mar 11, 2014
- MASCHINENFABRIK REINHAUSEN GMBH
- Oliver Brueckl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arrangement of a stepping switch on a control transformer
- Patent number 8,648,587
- Issue date Feb 11, 2014
- MASCHINENFABRIK REINHAUSEN GMBH
- Oliver Brueckl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
On-load tap changer comprising semiconductor switching elements
- Patent number 8,624,565
- Issue date Jan 7, 2014
- MASCHINENFABRIK REINHAUSEN GMBH
- Oliver Brueckl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tap switch with semiconductor switching elements
- Patent number 8,415,987
- Issue date Apr 9, 2013
- MASCHINENFABRIK REINHAUSEN GMBH
- Oliver Brueckl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for switching without any interruption between winding taps...
- Patent number 8,289,068
- Issue date Oct 16, 2012
- MASCHINENFABRIK REINHAUSEN GMBH
- Oliver Brueckl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Device for regulating electrical voltage
- Patent number 7,656,138
- Issue date Feb 2, 2010
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- G05 - CONTROLLING REGULATING
Information Patent Grant
Tap changer having a switching monitoring device
- Patent number 7,550,688
- Issue date Jun 23, 2009
- MASCHINENFABRIK REINHAUSEN GMBH
- Reinhold Baertl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contact arrangement
- Patent number 7,497,745
- Issue date Mar 3, 2009
- MASCHINENFABRIK REINHAUSEN GMBH
- Reinhold Baertl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for dehumidifying air and air dehumidifier for oil-insulated...
- Patent number 7,468,091
- Issue date Dec 23, 2008
- Maschinefabrik Reinhausen GmbH
- Karsten Viereck
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multipoint switch
- Patent number 7,463,010
- Issue date Dec 9, 2008
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arrangement for automatically influencing a mains supply and motor...
- Patent number 7,449,851
- Issue date Nov 11, 2008
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Oil filter system
- Patent number 7,179,369
- Issue date Feb 20, 2007
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tap changing assembly for power transformer
- Patent number 6,965,217
- Issue date Nov 15, 2005
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Thyristor tap changer
- Patent number 6,856,122
- Issue date Feb 15, 2005
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of controlling step switches
- Patent number 6,529,858
- Issue date Mar 4, 2003
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of monitoring the contact burnoff in tap changers
- Patent number 6,518,771
- Issue date Feb 11, 2003
- Pharmacia and Upjohn Company
- Rainer Frotscher
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Position signalling device for a motor drive
- Patent number 6,307,283
- Issue date Oct 23, 2001
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- G08 - SIGNALLING
Information Patent Grant
Position indicator
- Patent number 6,234,106
- Issue date May 22, 2001
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of monitoring a tap selector
- Patent number 6,124,726
- Issue date Sep 26, 2000
- Maschinenfabrik Reinhausen GmbH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of monitoring a tap changer
- Patent number 6,100,674
- Issue date Aug 8, 2000
- Maschinenfabrik Reinhausen GmbH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tap changer
- Patent number 6,091,032
- Issue date Jul 18, 2000
- Maschinenfabrik Reinhausen GmbH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Position signalling device
- Patent number 6,087,607
- Issue date Jul 11, 2000
- Maschinenfabrik Reinhausen GmbH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tap selector
- Patent number 6,060,669
- Issue date May 9, 2000
- Maschinenfabrik Reinhausen GmbH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switching arrangement for load change-over switches of step switche...
- Patent number 5,786,552
- Issue date Jul 28, 1998
- Maschinenfabrik Reinhausen GmbH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tap changer with tickler coil for arcless tap changing
- Patent number 5,773,970
- Issue date Jun 30, 1998
- Maschinenfabrik Reinhausen GmbH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ON-LOAD TAP CHANGER
- Publication number 20160181025
- Publication date Jun 23, 2016
- MASCHINENFABRIK REINHAUSEN GMBH
- Klaus HOEPFL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ON-LOAD TAP CHANGER WITH CONNECTION TO OIL RESERVOIR OF A TRANSFORMER
- Publication number 20150325387
- Publication date Nov 12, 2015
- Dieter DOHNAL
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DEVICE AND METHOD FOR THE PROCESS-BASED POWER CONTROL OF AN ELECTRI...
- Publication number 20150271879
- Publication date Sep 24, 2015
- Klaus Krueger
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DEVICE AND METHOD FOR CONTROLLING AN ELECTRIC ARC FURNACE IN THE IN...
- Publication number 20150215998
- Publication date Jul 30, 2015
- Klaus Krueger
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DEVICE AND METHOD FOR REDUCING NETWORK REACTIONS WHEN AN ELECTRIC A...
- Publication number 20150215997
- Publication date Jul 30, 2015
- Klaus Krueger
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CONTROL TRANSFORMER
- Publication number 20150022303
- Publication date Jan 22, 2015
- Jochen Von Bloh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSFORMER WITH ON-LOAD TAP CHANGER
- Publication number 20140375407
- Publication date Dec 25, 2014
- Jochen Von Bloh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TAP CHANGER
- Publication number 20140354390
- Publication date Dec 4, 2014
- Stefan Engel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TAP CHANGER
- Publication number 20140197816
- Publication date Jul 17, 2014
- Jochen Von Bloh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TAP CHANGER
- Publication number 20130249528
- Publication date Sep 26, 2013
- Matthias Biskoping
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
TAP CHANGER AND VACUUM SWITCHING TUBE FOR SUCH A TAP CHANGER
- Publication number 20130220782
- Publication date Aug 29, 2013
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TAP CHANGER
- Publication number 20130213777
- Publication date Aug 22, 2013
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ON-LOAD TAP CHANGER
- Publication number 20130170079
- Publication date Jul 4, 2013
- Dieter Dohnal
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ARRANGEMENT OF A STEPPING SWITCH ON A CONTROL TRANSFORMER
- Publication number 20120112730
- Publication date May 10, 2012
- Oliver Brueckl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ON-LOAD TAP CHANGER COMPRISING SEMICONDUCTOR SWITCHING ELEMENTS
- Publication number 20120032654
- Publication date Feb 9, 2012
- Oliver Brueckl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ON-LOAD TAP CHANGER COMPRISING SEMICONDUCTOR SWITCHING ELEMENTS
- Publication number 20120025789
- Publication date Feb 2, 2012
- Oliver Brueckl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TAP SWITCH WITH SEMICONDUCTOR SWITCHING ELEMENTS
- Publication number 20110133817
- Publication date Jun 9, 2011
- Oliver Brueckl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR SWITCHING WITHOUT ANY INTERRUPTION BETWEEN WINDING TAPS...
- Publication number 20110102056
- Publication date May 5, 2011
- Oliver Brueckl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER TRANSFORMER HAVING A STEPPING SWITCH
- Publication number 20110063064
- Publication date Mar 17, 2011
- Wolfgang Albrecht
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Device for Regulating Electrical Voltage
- Publication number 20090140705
- Publication date Jun 4, 2009
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- G05 - CONTROLLING REGULATING
Information Patent Application
Tap Changer Having a Switching Monitoring Device
- Publication number 20080302639
- Publication date Dec 11, 2008
- Reinhold Baertl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Contact Arrangement
- Publication number 20080248700
- Publication date Oct 9, 2008
- Reinhold Baertl
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method For Dehumidifying Air And Air Dehumidifier For Oil-Insulated...
- Publication number 20070199443
- Publication date Aug 30, 2007
- MASCHINENFABRIK REINHAUSEN GMBH
- Karsten Viereck
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for monitoring contact consumption in multiple contact switches
- Publication number 20070051595
- Publication date Mar 8, 2007
- MASCHINENFABRIK REINHAUSEN GMBH
- Dieter Dohnal
- G01 - MEASURING TESTING
Information Patent Application
Multipoint switch
- Publication number 20060244431
- Publication date Nov 2, 2006
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Oil filter system
- Publication number 20040238419
- Publication date Dec 2, 2004
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Tap changing assembly for power transformer
- Publication number 20040196010
- Publication date Oct 7, 2004
- Maschinenfabrik Reinhausen GmbH
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Arrangement for automatically influencing a mains supply and motor...
- Publication number 20040070359
- Publication date Apr 15, 2004
- Dieter Dohnal
- G05 - CONTROLLING REGULATING
Information Patent Application
Thyristor tap changer
- Publication number 20040032699
- Publication date Feb 19, 2004
- Dieter Dohnal
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of monitoring the contact burnoff in tap changers
- Publication number 20010013784
- Publication date Aug 16, 2001
- Maschinenfabrik Reinhausen GmbH
- Rainer Frotscher
- H01 - BASIC ELECTRIC ELEMENTS

Dieter DOHNAL

Person

Patents Grantslast 30 patents

On-load tap changer

Control transformer

Tap changer and vacuum switching tube for such a tap changer

Transformer with on-load tap changer

On-load tap changer

On-load tap changer comprising semiconductor switching elements

Arrangement of a stepping switch on a control transformer

On-load tap changer comprising semiconductor switching elements

Tap switch with semiconductor switching elements

Method for switching without any interruption between winding taps...

Device for regulating electrical voltage

Tap changer having a switching monitoring device

Contact arrangement

Method for dehumidifying air and air dehumidifier for oil-insulated...

Multipoint switch

Arrangement for automatically influencing a mains supply and motor...

Oil filter system

Tap changing assembly for power transformer

Thyristor tap changer

Method of controlling step switches

Method of monitoring the contact burnoff in tap changers

Position signalling device for a motor drive

Position indicator

Method of monitoring a tap selector

Method of monitoring a tap changer

Tap changer

Position signalling device

Tap selector

Switching arrangement for load change-over switches of step switche...

Tap changer with tickler coil for arcless tap changing

Patents Applicationslast 30 patents

ON-LOAD TAP CHANGER

ON-LOAD TAP CHANGER WITH CONNECTION TO OIL RESERVOIR OF A TRANSFORMER

DEVICE AND METHOD FOR THE PROCESS-BASED POWER CONTROL OF AN ELECTRI...

DEVICE AND METHOD FOR CONTROLLING AN ELECTRIC ARC FURNACE IN THE IN...

DEVICE AND METHOD FOR REDUCING NETWORK REACTIONS WHEN AN ELECTRIC A...

CONTROL TRANSFORMER

TRANSFORMER WITH ON-LOAD TAP CHANGER

TAP CHANGER

TAP CHANGER

TAP CHANGER

TAP CHANGER AND VACUUM SWITCHING TUBE FOR SUCH A TAP CHANGER

TAP CHANGER

ON-LOAD TAP CHANGER

ARRANGEMENT OF A STEPPING SWITCH ON A CONTROL TRANSFORMER

ON-LOAD TAP CHANGER COMPRISING SEMICONDUCTOR SWITCHING ELEMENTS

ON-LOAD TAP CHANGER COMPRISING SEMICONDUCTOR SWITCHING ELEMENTS

TAP SWITCH WITH SEMICONDUCTOR SWITCHING ELEMENTS

METHOD FOR SWITCHING WITHOUT ANY INTERRUPTION BETWEEN WINDING TAPS...

POWER TRANSFORMER HAVING A STEPPING SWITCH

Device for Regulating Electrical Voltage

Tap Changer Having a Switching Monitoring Device

Contact Arrangement

Method For Dehumidifying Air And Air Dehumidifier For Oil-Insulated...

Method for monitoring contact consumption in multiple contact switches

Multipoint switch

Oil filter system

Tap changing assembly for power transformer

Arrangement for automatically influencing a mains supply and motor...

Thyristor tap changer

Method of monitoring the contact burnoff in tap changers