US Patent 7451769 Purification unit
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Patent Inventor Names
Herbert Wirth0
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Patent abstract
The invention relates to a cleaning apparatus with a filter device. The filter device contains a ceramic filter equipped with a heating device. The heating device serves for thermal sterilisation of the ceramic filter, by which allergenic substances are destroyed.
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US Patent 07451769 Purification unit US Patent 7451769 Purification unit
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Patent Number
074517690
Patent Number
74517690
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Official Website
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Patent Jurisdiction
Patent Number
074517690
Date of Patent
November 18, 2008
0Patent Application Number
104951860
Date Filed
November 11, 2002
0Official Website
Patent Primary Examiner
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US Patent 07451769 Purification unit
Infobox
Is a
Patent jurisdiction
Patent number
07451769
Date of patent
November 18, 2008
Patent application number
10495186
Date Filed
November 11, 2002
Patent primary examiner
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