Holger Hoffmann

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Hessdorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for operating power semiconductors
- Patent number 9,748,888
- Issue date Aug 29, 2017
- Siemens Aktiengesellschaft
- Gunnar Dietz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical direct drive for a roller
- Patent number 8,102,095
- Issue date Jan 24, 2012
- Siemens Aktiengesellschaft
- Holger Hoffmann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR OPERATING A CURRENT CONVERTER AND CURRENT CONVERTER OPER...
- Publication number 20190273448
- Publication date Sep 5, 2019
- VALEO SIEMENS EAUTOMOTIVE GERMANY GMBH
- Qiong GU
- B60 - VEHICLES IN GENERAL
Information Patent Application
METHOD FOR OPERATING POWER SEMICONDUCTORS
- Publication number 20160094178
- Publication date Mar 31, 2016
- SIEMENS AKTIENGESELLSCHAFT
- Gunnar Dietz
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRICAL DIRECT DRIVE FOR A ROLLER
- Publication number 20090127959
- Publication date May 21, 2009
- SIEMENS AKTIENGESELLSCHAFT
- Holger Hoffmann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMBINATION OF DISK MOTOR AND MACHINE
- Publication number 20090127985
- Publication date May 21, 2009
- SIEMENS AKTIENGESELLSCHAFT
- HOLGER HOFFMANN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER