Electricity: electrical systems and devices – Electric charge generating or conducting means
Reexamination Certificate
2007-04-24
2008-08-05
Vanore, David A. (Department: 2881)
Electricity: electrical systems and devices
Electric charge generating or conducting means
C096S058000, C096S069000, C096S070000, C096S078000
Reexamination Certificate
active
07408759
ABSTRACT:
A module for generating ions in a flowing air stream includes a support structure having a central region adapted to pass a flowing air stream therethrough, and including a plurality of supports for positioning a filamentary ion-generating electrode in a polygonal configuration within the central region. The supports and filament are relatively moveable to wipe the surface of the filament at each support for removing accumulated contaminants on the filament.
REFERENCES:
patent: 3856674 (1974-12-01), Kalman
patent: 5641340 (1997-06-01), Kagan
patent: 5647890 (1997-07-01), Yamamoto
patent: 5855653 (1999-01-01), Yamamoto
patent: 6709495 (2004-03-01), Storer
patent: 7212393 (2007-05-01), Gefter et al.
Gefter Peter
Gehlke Scott
Vernitsky Gregory
Fenwick & West LLP
MKS Ion Systems, Inc.
Smith II Johnnie L
Vanore David A.
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