US Patent 7141087 Honeycomb ceramics filter
Patent 7141087 was granted and assigned to NGK Insulators on November, 2006 by the United States Patent and Trademark Office.
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Patent abstract
There is disclosed a honeycomb ceramics filter, wherein an average pore diameter X (μm) and partition wall thickness W (μm) of the filter satisfy a relation of 10≧W/X. According to this filter, while a predetermined trapping efficiency is maintained, a pressure loss can be prevented from increasing to be not less than a predetermined pressure loss even with use for a long period.
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Current Assignee
Patent Jurisdiction
Patent Number
71410870
Date of Patent
November 28, 2006
0Patent Application Number
104691550
Date Filed
March 27, 2002
0Patent Primary Examiner
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US Patent 07141087 Honeycomb ceramics filter US Patent 7141087 Honeycomb ceramics filter
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Patent Number
0714108700
Patent Number
714108700
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
071410870
Date of Patent
November 28, 2006
0Patent Application Number
104691550
Date Filed
March 27, 2002
0Official Website
Patent Primary Examiner
Edits on 22 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
071410870
Date of Patent
November 28, 2006
0Patent Application Number
104691550
Date Filed
March 27, 2002
0Official Website
Patent Primary Examiner
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US Patent 07141087 Honeycomb ceramics filter
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07141087
Date of patent
November 28, 2006
Patent application number
10469155
Date Filed
March 27, 2002
Patent primary examiner
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