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Class Information
Number: 405/102
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Water gate or adjustable weir > Swinging > About horizontal axis > Overflow > Collapsible
Description: Method or apparatus wherein the water gate is provided with a support member extending from the water gate to a point longitudinally spaced therefrom on the bed of the flow path which gate and support contiguously fold downwardly onto the bed when the gate is opened.

Patents under this class:

Patent Number Title Of Patent Date Issued
7114879 Water control gate and actuator therefore Oct. 3, 2006
7033112 Water-retaining structure Apr. 25, 2006
6676333 Frame members for a portable dam Jan. 13, 2004
6514011 Movable water-protection apparatus Feb. 4, 2003
6302622 Tamping rammer Oct. 16, 2001
6196764 Automatic wicket for a hydraulic structure Mar. 6, 2001
6132140 Method for the fabrication of a dam or barrier Oct. 17, 2000
5882144 Device and method for triggering the destruction of a selected part of a hydraulic structure, such as a levee, a dike or a backfilled dam, and hydraulic structure comprising such a device Mar. 16, 1999
5758989 Linear action hurter Jun. 2, 1998
5372456 Irrigation control structure Dec. 13, 1994
5310284 Weak link prop for wicket dam May. 10, 1994
5222834 Collapsible safety prop for waterway dams Jun. 29, 1993
5178490 Wicket dam lifting module Jan. 12, 1993
4836711 Hinge-assembly, particularly for underwater mounting Jun. 6, 1989
4352592 Gate system for a hydraulic dam Oct. 5, 1982

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