Appeal 2007-0380
Reexamination Control 90/007,199
Patent 6,394,644 B1
Claims 1, 2, 5, 15-23, and 28 are rejected under 35 U.S.C. §102(b) as
being anticipated by Duke, CZ 1707U (Duke).
Claims 1, 2, 5, 23 and 25-28 are rejected under 35 U.S.C. § 102(b) as
being anticipated by Signer, US Patent 5,564,827 (Signer).
Claim 23 is rejected for failing to meet the written description
requirement of 35 U.S.C. § 112, ¶1.
We affirm the decision of the Examiner to reject claims 1, 2, 5, 15-23,
and 28 over Duke, but reverse the decision of the Examiner as to the other
two rejections.
II. Findings of fact
The record supports the following findings of fact, as well as any
other findings of fact set forth in this Decision, by a preponderance of the
evidence.
1. The invention is directed to a saddle element for a static mixer.
2. Claim 1, set forth below, is illustrative:
A saddle element for a static mixer comprising:
a generally ring-shaped support structure having a central axis,
concentric inner and outer, radially spaced, circumferentially
extending surfaces, and first and second axially spaced, generally
parallel edge surfaces, said inner surface defining a fluid flow path
which extends along said axis,
said edge surfaces being located in respective generally parallel
transverse planes which are essentially perpendicular relative to
said axis; and
a mixing structure located in said flow path between said edge
surfaces, said mixing structure including a plurality of crossbars
located in said flow path, each of said crossbars having a first end
which is closer to the transverse plane of said first edge than to the
2
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