Pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 4, 2002
Issued Date -
N/A
app pub date -
Dec 15, 2000
filing date -
Jun 19, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pump has flexible vanes arranged in a helical path in the clearance between the stator and the rotor. In one form, the helically wound vanes are present on the rotor, the stator including at least one can surface to flex the vanes. In another form, the helically wound vanes are present on the stator, the rotor including at least one can surface to flex the vanes.
First Claim
Family
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Cited Art Landscape
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