Jens Helfrich

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Speyer, DE

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Patents Grantslast 30 patents

Information Patent Grant
Arrangement, system and method for inductively transmitting energy...
- Patent number 10,343,534
- Issue date Jul 9, 2019
- Siemens Mobility GmbH
- Rolf Fischperer
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rotary transformer
- Patent number 7,911,307
- Issue date Mar 22, 2011
- ABB Research Ltd.
- Jochen Mast
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Inherently short-circuit resistant power distribution system
- Patent number 6,633,493
- Issue date Oct 14, 2003
- ABB Patent GmbH
- Lothar Heinemann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
ARRANGEMENT, SYSTEM AND METHOD FOR INDUCTIVELY TRANSMITTING ENERGY...
- Publication number 20170182895
- Publication date Jun 29, 2017
- Siemens Aktiengesellschaft
- ROLF FISCHPERER
- B60 - VEHICLES IN GENERAL
Information Patent Application
Power Switches
- Publication number 20090009232
- Publication date Jan 8, 2009
- Jens Helfrich
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Electrical Circuit Package
- Publication number 20080080141
- Publication date Apr 3, 2008
- Hans-Joachim Krokoszinski
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Pad Metallisation Process
- Publication number 20070269591
- Publication date Nov 22, 2007
- Helmut Gruss
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Rotary transformer
- Publication number 20070040642
- Publication date Feb 22, 2007
- ABB Research Ltd.
- Jochen Mast
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Inherently short-circuit resistant power distribution system
- Publication number 20030025584
- Publication date Feb 6, 2003
- Lothar Heinemann
- H01 - BASIC ELECTRIC ELEMENTS