Rolf Dirks

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Willich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Locking mechanism for doors of switching cells
- Patent number 4,790,158
- Issue date Dec 13, 1988
- Felten & Guilleaume Energietechnik GmbH
- Rolf Dirks
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Locking mechanism for doors of switching cells
- Patent number 4,674,305
- Issue date Jun 23, 1987
- Felten & Guilleaume Energietechnik GmbH
- Rolf Dirks
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device for quenching an electric arc
- Patent number 4,629,840
- Issue date Dec 16, 1986
- Felten & Guilleaume Inergietechnik GmbH
- Rolf Dirks
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High voltage, high rupture capacity fuse
- Patent number 4,617,544
- Issue date Oct 14, 1986
- Felten & Guilleaume Energietechnik GmbH
- Dietrich Mooz
- H01 - BASIC ELECTRIC ELEMENTS