Filter system and particulate filter unit therefor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 18, 2006
Grant Date -
Apr 25, 2002
app pub date -
Aug 31, 2001
filing date -
Aug 3, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides a filter system and particulate filter unit therefor. The filter system may act as a purifier and a muffler for heavy and light duty diesel vehicles. The invention includes one or more combination filter units that remove particulates and nitrogen oxides in successive passes before the gas exits. A particulate filter unit may be used that removes additional particulates.
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