Gas separation – With means securing or retaining separating media – Unit or cohesive sheet-like media in flow line or frame
Reexamination Certificate
2011-06-28
2011-06-28
Smith, Duane (Department: 1776)
Gas separation
With means securing or retaining separating media
Unit or cohesive sheet-like media in flow line or frame
C055S502000, C055S521000
Reexamination Certificate
active
07967886
ABSTRACT:
Z-filter media pack arrangements and methods for providing them are described. Certain aspects concern a cured-in-place seal on an outside of a coiled z-filter media combination. Other aspects concern a cured-in-place center core, most preferably one that has opposite concave ends with seal arrangements configured to seal a lead end portion of the coiled z-filter media combination.
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Bishop Wayne R. W.
Crenshaw Bruce R.
Kladnitsky Vladimir
Lensing Eugene
Nelson Benny K.
Donaldson & Company, Inc.
Merchant & Gould P,C,
Palmer Tiffany N
Smith Duane
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