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Ludwig Erd
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Berlin, DE
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Patents Grants
last 30 patents
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Patent Grant
Permanent magnet rotor for an electrical machine
Patent number
9,257,890
Issue date
Feb 9, 2016
Siemens Aktiengesellschaft
Ludwig Erd
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotor and method for manufacturing a rotor of an electric machine
Patent number
8,847,453
Issue date
Sep 30, 2014
Siemens Aktiengesellschaft
Heiner Bayer
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Electromagnetic drive apparatus having a flat coil
Patent number
4,951,023
Issue date
Aug 21, 1990
Vacuumschmelze GmbH
Ludwig Erd
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Magnetic drive system for generating linear movements
Patent number
4,439,700
Issue date
Mar 27, 1984
Vacuumschmelze GmbH
Klaus Menzel
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
ROTOR FOR AN ELECTRICAL MACHINE
Publication number
20130270954
Publication date
Oct 17, 2013
SIEMENS AKTIENGESELLSCHAFT
Ludwig Erd
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ROTOR AND METHOD FOR MANUFACTURING A ROTOR OF AN ELECTRIC MACHINE
Publication number
20120098271
Publication date
Apr 26, 2012
Heiner Bayer
H01 - BASIC ELECTRIC ELEMENTS