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Class Information
Number: 405/97
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Water gate or adjustable weir > Condition responsive > Float > Having separate float chamber
Description: Method or apparatus wherein the buoyant member is positioned within a container which is distinct from but in fluid communication with the flow path.

Patents under this class:

Patent Number Title Of Patent Date Issued
6338594 Movable barrier wall Jan. 15, 2002
4405458 Continuous flow, variable capacity self-compensating floating weir Sep. 20, 1983
4242009 Apparatus for automatically and selectively discharging saline water Dec. 30, 1980
4027487 Method for adjusting an automatic sluice with a view to ensuring a determined level Jun. 7, 1977

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