Otto Graul

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Bamberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Layer winding for electrical equipment
- Patent number 4,733,213
- Issue date Mar 22, 1988
- MWB Messwandler-Bau Aktiengesellschaft
- Otto Graul
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for winding ring cores, ring coils, ring core...
- Patent number 4,730,777
- Issue date Mar 15, 1988
- MWB Messwandler-Bau Aktiengesellschaft
- Otto Graul
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coil winding machine
- Patent number 4,697,752
- Issue date Oct 6, 1987
- MWB Messwandler-Bau Aktiengesellschaft
- Otto Graul
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method for the manufacture of a layer winding
- Patent number 4,653,178
- Issue date Mar 31, 1987
- MWB Messwandler-Bau AG
- Otto Graul
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Layered transformer winding
- Patent number 4,311,979
- Issue date Jan 19, 1982
- Messwandler-Bau GmbH
- Otto Graul
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Audio-frequency injection transformers for ripple control
- Patent number 4,156,221
- Issue date May 22, 1979
- Messwandler-Bau GmbH
- Otto Graul
- H01 - BASIC ELECTRIC ELEMENTS