Johannes Kirch

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Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Surge arrester with a mtal oxide resistor
- Patent number 5,596,476
- Issue date Jan 21, 1997
- Siemens Aktiengesellschaft
- Johannes Kirch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surge arrester
- Patent number 5,594,614
- Issue date Jan 14, 1997
- Siemens Aktiengesellschaft
- Johannes Kirch
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal-encapsulated gas-insulated high-voltage installation with an...
- Patent number 4,754,363
- Issue date Jun 28, 1988
- Siemens Aktiengesellschaft
- Johannes Kirch
- B26 - HAND CUTTING TOOLS CUTTING SEVERING