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Alfred Ziegler
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Munich, DE
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last 30 patents
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Patent Grant
Circuit arrangement for automatic connection of the remote feed cur...
Patent number
4,771,229
Issue date
Sep 13, 1988
Siemens Aktiengesellschaft
Alfred Ziegler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit arrangement and method for fault locating in conjunction wi...
Patent number
4,562,401
Issue date
Dec 31, 1985
Siemens Aktiengesellschaft
Alfred Ziegler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device for initiating the remote feed of electrical users
Patent number
4,507,568
Issue date
Mar 26, 1985
Siemens Aktiengesellschaft
Alfred Ziegler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit for automatically closing a backup remote feed loop
Patent number
4,489,360
Issue date
Dec 18, 1984
Siemens Aktiengesellschaft
Heinz Kraicar
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Switching apparatus for devices for alternating current parallel re...
Patent number
4,462,058
Issue date
Jul 24, 1984
Siemens Aktiengesellschaft
Alfred Ziegler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit arrangement for automatically closing a remote feed loop of...
Patent number
4,459,491
Issue date
Jul 10, 1984
Siemens Aktiengesellschaft
Alfred Ziegler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for initiation of reciprocal remote feeding of...
Patent number
4,362,952
Issue date
Dec 7, 1982
Siemens Aktiengesellschaft
Alfred Ziegler
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit for closing the remote feed loop of a series-supplied repeater
Patent number
4,309,577
Issue date
Jan 5, 1982
Siemens Aktiengesellschaft
Heinz Kraicar
H04 - ELECTRIC COMMUNICATION TECHNIQUE