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Class Information
Number: 405/104
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Water gate or adjustable weir > Sliding > Vertical
Description: Method or apparatus wherein the movable member is raised or lowered to regulate flow there past.










Sub-classes under this class:

Class Number Class Name Patents
405/105 Gate unseating 12
405/106 With lift mechanism or latch 29


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8651767 Rotatable wheel box service panel door and equalizer Feb. 18, 2014
8622652 Overflow and underflow doors Jan. 7, 2014
8602686 Undershot sluice gate Dec. 10, 2013
8511938 Flood flaps vent for sealed crawlspace Aug. 20, 2013
8425150 Rotatable wheel box service panel door and equalizer Apr. 23, 2013
8393827 Box service panel door and equalizer Mar. 12, 2013
8292542 Undershot sluice gate Oct. 23, 2012
8182175 Gate for marine optic fiber security fence May. 22, 2012
7815397 Expansion-sealed flood control gate Oct. 19, 2010
7744310 Hydrostatically operated variable height bulkhead Jun. 29, 2010
7658572 Tide apparatus and tide structure Feb. 9, 2010
7497644 Automatic liquid barrier system Mar. 3, 2009
7410325 Modular guide frame for a gate Aug. 12, 2008
7390141 Wave-attenuating system Jun. 24, 2008
7270498 Flood vent Sep. 18, 2007
7214003 Segmental floating bulkhead assembly May. 8, 2007
6837655 Submersible canal bypass Jan. 4, 2005
6732479 Movable defensive apparatus May. 11, 2004
6698766 Slide gate sealing system Mar. 2, 2004
6543968 Submersible canal bypass Apr. 8, 2003
6514011 Movable water-protection apparatus Feb. 4, 2003
6467998 Self-regulating weirs and fishways Oct. 22, 2002
6425707 Flood protection device for closing opening in wall against floodwater Jul. 30, 2002
6338594 Movable barrier wall Jan. 15, 2002
6287051 Fixable seal sluice gate Sep. 11, 2001
6213684 Telescoping weir Apr. 10, 2001
6176493 Slide gate and seal therefor Jan. 23, 2001
6132139 Water level regulating device for paddy field Oct. 17, 2000
5967697 Flood control gate safety device Oct. 19, 1999
5725326 Movable dam Mar. 10, 1998
5720575 Water control and diversion headgate and method of manufacture Feb. 24, 1998
5460462 Liquid and flood water barrier wall forming-apparatus Oct. 24, 1995
5141361 Door seal for water slide gates Aug. 25, 1992
5125766 Mechanical automatic tilting weir with selfadjusting lowering of the weir-level during larger discharges Jun. 30, 1992
4934868 Water control structure and roller assembly therefor Jun. 19, 1990
4877537 Pumping system for gates Oct. 31, 1989
4877352 Method and apparatus for control of an upstream water level Oct. 31, 1989
4848962 Slide gate and seals therefor Jul. 18, 1989
4726709 Sealing assemblies Feb. 23, 1988
4678367 Riser assembly for a sub-surface irrigation and drainage system Jul. 7, 1987
4582451 Floodgate panel and sealing means therefor Apr. 15, 1986
4514110 Gate assembly for ponds Apr. 30, 1985
4478534 Flood control system Oct. 23, 1984
4474210 Surge control weir structure for sewage treatment plants and the like Oct. 2, 1984
4439061 Aluminum stoplogs Mar. 27, 1984
4289971 Electric power generation equipment incorporating bulb turbine-generator Sep. 15, 1981
4242009 Apparatus for automatically and selectively discharging saline water Dec. 30, 1980
4220420 Sealing means, primarily for a sluice gate Sep. 2, 1980
4165882 Sealing means for slide gate Aug. 28, 1979
4102136 Pump system providing selective directional flow across fluid barrier Jul. 25, 1978

1 2










 
 
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