Roland Niefanger

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Regensburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for polarizing a piezoelectric actuator
- Patent number 7,550,903
- Issue date Jun 23, 2009
- Siemens Aktiengesellschaft
- Bernhard Döllgast
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for improving the long-term stability of a piezoelectric act...
- Patent number 7,218,037
- Issue date May 15, 2007
- Siemens Aktiengesellschaft
- Michael Denzler
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method and Device for Polarizing a Piezoelectric Actuator
- Publication number 20080265715
- Publication date Oct 30, 2008
- Bernhard Dollgast
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Method for improving the long-term stability of a piezoelectric act...
- Publication number 20070024160
- Publication date Feb 1, 2007
- Siemens AG
- Michael Denzler
- H01 - BASIC ELECTRIC ELEMENTS