Gas and liquid contact apparatus – Contact devices – Liquid tank
Reexamination Certificate
2011-01-04
2011-01-04
Bushey, Scott (Department: 1797)
Gas and liquid contact apparatus
Contact devices
Liquid tank
C261S124000
Reexamination Certificate
active
07862014
ABSTRACT:
In a tank for treating wastewater and including a first plurality of air diffuser elements and a second plurality of air diffuser elements, means for adjusting the relative height of the first diffuser elements with respect to the height of the second diffuser elements in response to changing operating conditions in the tank and changes in the characteristics of the diffusers.
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Lechner John
Petit Peter
Ratzlow Lawrence B.
Bushey Scott
Siemens Water Technologies Corp.
Wilkins Frederick C.
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