Joerg Petzold

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Bruchkobel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Magnet core; method for its production and residual current device
- Patent number 8,344,830
- Issue date Jan 1, 2013
- Vaccumschmelze GmbH & Co. KG
- Joerg Petzold
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Current transformer cores formed from magnetic iron-based alloy inc...
- Patent number 7,861,403
- Issue date Jan 4, 2011
- Vacuumschmelze GmbH & Co. KG
- Wulf Guenther
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Current transformer core and method for producing a current transfo...
- Patent number 7,358,844
- Issue date Apr 15, 2008
- Vacuumschmelze GmbH & Co. KG
- Wulf Guenther
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High-pass branch of a frequency separating filter for ADSL systems
- Patent number 7,042,310
- Issue date May 9, 2006
- Vacuumschmelze GmbH
- Joerg Petzold
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current transformer with direct current tolerance
- Patent number 6,563,411
- Issue date May 13, 2003
- Vacuumschmelze GmbH
- Detlef Otte
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fine-crystalline iron-based alloy core for an interface transformer
- Patent number 5,074,932
- Issue date Dec 24, 1991
- Vacuumschmelze GmbH
- Johannes Binkofski
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Magnet Core; Method for Its Production and Residual Current Device
- Publication number 20100265016
- Publication date Oct 21, 2010
- Vacuumschmelze GMBH & Co. KG
- Joerg Petzold
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Current Transformer Core and Method for Producing a Current Transfo...
- Publication number 20080092366
- Publication date Apr 24, 2008
- Wulf Guenther
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Current Transformer Core And Method For Producing A Current Transfo...
- Publication number 20070126546
- Publication date Jun 7, 2007
- Wulf Guenther
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...