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Alfred Rufer
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Villard-sous-Yens, CH
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Patents Grants
last 30 patents
Information
Patent Grant
Device for feeding a charge including integrated energy storage
Patent number
8,723,365
Issue date
May 13, 2014
Ecole Polytechnique Federale de Lausanne (EPFL)
Frederick Bordry
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Multistage hydraulic gas compression/expansion systems and methods
Patent number
8,567,183
Issue date
Oct 29, 2013
Ecole Polytechnique Federale de Lausanne (EPFL)
Sylvain Lemofouet
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Energy storage systems
Patent number
8,378,521
Issue date
Feb 19, 2013
Ecole Polytechnique Federale de Lausanna (EPFL)
Alfred Rufer
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
Method of controlling a three level converter
Patent number
7,800,926
Issue date
Sep 21, 2010
Alstom Technology Ltd
Aziza Benaboud
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Generator with integrated powerswitch
Patent number
7,245,031
Issue date
Jul 17, 2007
Alstom Technology Ltd
Oliver Drubel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Frequency converter for high-speed generators
Patent number
7,180,270
Issue date
Feb 20, 2007
Alstom Technology Ltd
Alfred Rufer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electrical power supply suitable in particular for DC plasma proces...
Patent number
6,567,278
Issue date
May 20, 2003
CP Automation S.A.
Alfred-Christophe Rufer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
Multistage Hydraulic Gas Compression/Expansion Systems and Methods
Publication number
20100199652
Publication date
Aug 12, 2010
Sylvain Lemofouet
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Energy Storage Systems
Publication number
20100133903
Publication date
Jun 3, 2010
Alfred Rufer
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
METHOD OF CONTROLLING A THREE LEVEL CONVERTER
Publication number
20090161398
Publication date
Jun 25, 2009
ALSTOM Technology Ltd.
Aziza BENABOUD
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Frequency converter for high-speed generators
Publication number
20060214645
Publication date
Sep 28, 2006
ALSTOM Technology Ltd.
Alfred Rufer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Generator with integrated powerswitch
Publication number
20060181818
Publication date
Aug 17, 2006
ALSTOM Technology Ltd.
Oliver Drubel
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Electrical power supply suitable in particular for DC plasma proces...
Publication number
20030021125
Publication date
Jan 30, 2003
Alfred-Christophe Rufer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER