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Class Information
Number: 405/100
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Water gate or adjustable weir > Swinging > About horizontal axis
Description: Method or apparatus wherein the water gate pivots about an axis which is generally parallel to the horizon.










Sub-classes under this class:

Class Number Class Name Patents
405/101 Overflow 28


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8366348 Raised state holding mechanism of flap gate for breakwater Feb. 5, 2013
8308396 Flood vent Nov. 13, 2012
8033753 Automatic flooding protection for underground ventilation ducts Oct. 11, 2011
7648310 Apparatus for preventing soil inflow in intercepting sewer Jan. 19, 2010
7614824 Control gates Nov. 10, 2009
7467911 Storm drain basin gate system Dec. 23, 2008
7422392 Water control structure Sep. 9, 2008
7244078 Control gates Jul. 17, 2007
7121764 Portable flood barrier section and flood barrier Oct. 17, 2006
7083359 Control gates Aug. 1, 2006
7033112 Water-retaining structure Apr. 25, 2006
6779947 Gate systems and methods for regulating tidal flows Aug. 24, 2004
6719491 Fluid level control system Apr. 13, 2004
6663318 Fluid level control system Dec. 16, 2003
6623209 Automatic flood gate Sep. 23, 2003
6478954 Debris collecting apparatus Nov. 12, 2002
6390730 Protective elements, devices comprising said elements and method for protecting a zone against floods and avalanches May. 21, 2002
6270287 Leaching chamber Aug. 7, 2001
6210072 Method and apparatus for erosion protecting a coast Apr. 3, 2001
6196764 Automatic wicket for a hydraulic structure Mar. 6, 2001
6171023 Water control gate Jan. 9, 2001
5984575 Flood flow modulator Nov. 16, 1999
5758989 Linear action hurter Jun. 2, 1998
5642963 Spillway gate system Jul. 1, 1997
5577863 Self-Actuating sluice gate Nov. 26, 1996
5516230 Gate for controlling upstream water level May. 14, 1996
5468090 Bending weir Nov. 21, 1995
5433555 Wicket dam and lifting jack Jul. 18, 1995
5372456 Irrigation control structure Dec. 13, 1994
5178490 Wicket dam lifting module Jan. 12, 1993
5171102 Wier construction Dec. 15, 1992
5139364 Automatic swing fishway apparatus Aug. 18, 1992
5125766 Mechanical automatic tilting weir with selfadjusting lowering of the weir-level during larger discharges Jun. 30, 1992
4963057 Sluice gate for automatically regulating a level Oct. 16, 1990
4877352 Method and apparatus for control of an upstream water level Oct. 31, 1989
4657434 River control structures Apr. 14, 1987
4648742 Tainter gate system Mar. 10, 1987
4576512 Rotary sluice gate Mar. 18, 1986
4549837 Penstock Oct. 29, 1985
4505612 Air admission apparatus for water control gate Mar. 19, 1985
4493587 System for creating dams with mobile and/or partially mobile water-retaining elements Jan. 15, 1985
4449851 Energy-efficient automatic sluice gate for sustaining a fluid level May. 22, 1984
4394098 Radial gate having fine tuning of flow control Jul. 19, 1983
4357121 Flap-gate for bottom discharge control in canals having ice problems Nov. 2, 1982
4300858 Variable dam Nov. 17, 1981
4253202 Automatic adjusting wave gutter for swimming pools Mar. 3, 1981
4146346 Apparatus and method for controlling tide waters Mar. 27, 1979
4091624 Self-regulating fluid control valve May. 30, 1978
4073147 Water gate control system Feb. 14, 1978
4053413 Apparatus for removing particles from water for sprinklers and the like Oct. 11, 1977

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