US Patent 7679021 Switching device
Patent 7679021 was granted and assigned to Siemens Aktiengesellschaft on March, 2010 by the United States Patent and Trademark Office.
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Patent abstract
An electrical switching device, especially a high-voltage circuit breaker, contains arcing contacts and nominal current contacts. At least one of the nominal current contacts has a surface formed of an arc-resistant material provided with a galvanic coating. In this configuration, the contact points can withstand high mechanical and thermal loads and at the same time maintain a high current carrying capacity.
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Patent Inventor Names
Andrzej Nowakowski0
Joachim Gericke0
Klaus Schuler0
Volker Lehmann0
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Official Website
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US Patent 07679021 Switching device US Patent 7679021 Switching device
Infobox
Patent Number
076790210
Patent Number
76790210
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
076790210
Date of Patent
March 16, 2010
0Patent Application Number
105785230
Date Filed
November 2, 2004
0Official Website
Patent Primary Examiner
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US Patent 07679021 Switching device
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07679021
Date of patent
March 16, 2010
Patent application number
10578523
Date Filed
November 2, 2004
Patent primary examiner
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