Gas separation: processes – Filtering – With cleaning of filter
Reexamination Certificate
2008-02-01
2011-12-06
Smith, Duane (Department: 1776)
Gas separation: processes
Filtering
With cleaning of filter
C055S283000, C055S294000, C055S297000, C055S302000
Reexamination Certificate
active
08070857
ABSTRACT:
A particulate removal tool and method are provided to remove the particulates such as ash and soot from a particulate filter. The particulate filter can be placed on a filter holder in a housing of the tool where a quick burst of air can be provided to clean the particulate filter. The air then can travel to a container which includes additional filter to filter the air. A vacuum can be used to remove additional particulates from the container.
REFERENCES:
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patent: 4693815 (1987-09-01), Collins, Jr.
patent: 4948504 (1990-08-01), Kierdorf et al.
patent: 5427596 (1995-06-01), Jorgenson et al.
patent: 2006/0207920 (2006-09-01), Lackey et al.
Brown William Clayton
Cooper Jason Scott
Driscoll James Josh
Gasper Mark
Jirele Jim
Baker & Hostetler LLP
Hawkins Karla
Smith Duane
SPX Corporation
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