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Engineering
Class Information
Number:
405/95
Name:
Hydraulic and earth engineering
>
Fluid control, treatment, or containment
>
Flow control
>
Water gate or adjustable weir
>
Condition responsive
>
To pressure on pivoted water gate
> With latch for closed position
Description:
Method or apparatus including a restraining means to retain the water gate in its closed position, wherein the water gate is opened by the pressure of the liquid only after the restraining means is released.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
7467911
Storm drain basin gate system
Dec. 23, 2008
6779947
Gate systems and methods for regulating tidal flows
Aug. 24, 2004
6692187
Flood gate for door
Feb. 17, 2004
6485231
Foundation flood gate with ventilation
Nov. 26, 2002
5678956
Navigational bypass, gate and pump device for use in water
Oct. 21, 1997
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