The opinion in support of the decision being entered
today was not written for publication in a law journal
and is not binding precedent of the Board.
Paper No. 17
UNITED STATES PATENT AND TRADEMARK OFFICE
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
Ex parte HELMUT JUDAT, WOLFGANG HEMMERLE
and REINHOLD ROSE
Appeal No. 2001-2086
Application No. 09/012,152
ON BRIEF
Before KIMLIN, PAK and WARREN, Administrative Patent Judges.
KIMLIN, Administrative Patent Judge.
DECISION ON APPEAL
This is an appeal from the final rejection of claims 1-3,
5-8, 10-13, 15-18 and 20-25. Claim 1 is illustrative:
1. An apparatus for conveying a liquid containing dispersed
gas comprising an axial conveyor, wherein said axial conveyor
comprises conveying elements in a substantially cylindrical
conveying tube, wherein said conveying elements are selected from
a group consisting of propellers, vanes or screws disposed on a
drivable axle, wherein said conveying elements comprise a wall-
sweeping lip and wherein an additional conveying member is
provided on the pressure side of said axle of said axial
conveyor, the additional conveying member being effective only
over a part of the cross-section of the conveying tube.
-1-
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