US Patent 7449110 Filter and filter module

Patent 7449110 was granted and assigned to NGK Insulators on November, 2008 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

NGK Insulators

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

74491100

Patent Inventor Names

Nobuhiro Aoki0

Hiroyuki Oyachi0

Kiyotaka Sugiura0

Date of Patent

November 11, 2008

Patent Application Number

105429500

Date Filed

February 18, 2004

Patent Primary Examiner

Duane Smith

Patent abstract

The filter 1 of the present invention has at least two filter elements 2 contained in the casing 4, which are connected in series in such a state as interposing the first sealer 5 between them.

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