JOHANN HOLZAPFEL

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Patents Grantslast 30 patents

Information Patent Grant
Monitoring of high-voltage or medium-voltage equipment
- Patent number 11,856,343
- Issue date Dec 26, 2023
- Siemens Energy Global GmbH & Co. KG
- Johann Holzapfel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Arrangement for feeding electrical power into an AC grid
- Patent number 11,201,474
- Issue date Dec 14, 2021
- Siemens Aktiengesellschaft
- Johann Holzapfel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
ARRANGEMENT FOR FEEDING ELECTRICAL POWER INTO AN AC GRID
- Publication number 20210135457
- Publication date May 6, 2021
- Siemens Aktiengesellschaft
- Johann Holzapfel
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MONITORING OF HIGH-VOLTAGE OR MEDIUM-VOLTAGE EQUIPMENT
- Publication number 20210003634
- Publication date Jan 7, 2021
- Siemens Aktiengesellschaft
- JOHANN HOLZAPFEL
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER