Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel
Reexamination Certificate
2007-01-02
2007-01-02
Kreck, John (Department: 3673)
Hydraulic and earth engineering
Drainage or irrigation
Having regulation of flow through channel
C166S320000, C166S334400
Reexamination Certificate
active
10940787
ABSTRACT:
An aquifer recharge valve assembly comprises a valve movable along the interior of a pipe section to open and close aquifer recharge openings through the pipe section. The position of the valve controls the extent to which the recharge openings are available for delivery of recharge water into the aquifer. The valve may be a seamless resilient cylinder which expands due to well head pressure to assist in sealing the recharge openings when the valve is closed.
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Klarquist & Sparkman, LLP
Kreck John
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