Patents for E02B 8 - Details of barrages or weirs (2,159)
08/2008
08/13/2008CN201099853Y Complex impedance type hydraulic power plant surge-chamber structure
08/13/2008CN101240531A Waterpower self-control type gate
08/13/2008CN101240530A Device for sealing slurry-blocking masonry dam uplift pressure observation hole and sealing method thereof
08/12/2008US7410324 Bio-passage for disrupting laminar flow
08/07/2008WO2008094673A1 Prefabricated levee apparatus and system
08/07/2008DE10221319B4 Messwehr zur Ermittlung einer Abflussmenge an Regenentlastungen Weir for determining an amount of runoff stormwater overflows
08/06/2008CN101235633A Water fin removing tool
07/2008
07/30/2008CN101230244A Self-seepage concrete crack repairing glue and method for making same
07/23/2008EP1170985B1 A method and apparatus for flood irrigation
07/17/2008DE102007003643A1 Rotary disk filter grid for mechanical cleaning of liquids like very dirty water has curved or straight filter elements with a circular shape and coarse-screen elements or just one curved or straight element
07/16/2008CN201087337Y Convex flat plate shutter gate groove
07/09/2008CN201082961Y Overground step reservoir
07/09/2008CN101215830A Vertical shaft rotational flow flood discharging tunnel and emptying tunnel or diversion tunnel square crossing arrangement hydraulic form
07/09/2008CN101215829A Controllable siphon discharging device and operation method for reservoir drainage or flood discharge
07/09/2008CN101215828A High and low ridge underflow stilling basin
07/08/2008CA2424808C Porous dike intake structure for fish diversion
07/02/2008CN100398754C L-type energy dissipater
06/2008
06/19/2008DE19509738B4 Rechenanlage Computing system
06/18/2008CN101200886A Spillway tunnel
06/12/2008WO2008068872A1 Apparatus for highly purifying sewage water using fish road formed by contact oxidation bank
06/11/2008CN101195999A Ladder energy dissipater with doped gas device preposed
06/04/2008CN100392193C Method for rebuilding diversion tunnel to pressure expanded aerated flood-discharge tunnel
06/04/2008CN100392192C Vent and bank pressing energy dissipater
05/2008
05/28/2008CN101187206A Hydropowerstation water inlet sand-discharging facility
05/28/2008CN101187204A Aeration facility shape and its uses
05/21/2008EP1923510A2 Device for cleaning a rake in a water course
05/21/2008CN101182707A Flood discharging and energy dissipating device
05/14/2008CN101177937A Spillway tunnel whole-section aeration method and spillway tunnel having whole-section aeration structure
05/01/2008US20080101867 Water Diversion System And Method Having Hydraulic Chute, Screen Assembly And Wedge Wire Screen
04/2008
04/29/2008US7364652 Screening apparatus
04/23/2008CN201048512Y River, ditch lotus and fish pond, water-storing dam fish-cultivating and lotus-root-planting protecting device
04/16/2008CN100381642C Dissipater of hole stopper
04/10/2008DE102007047389A1 Fish ascending aid for helping fish to pass between water at different levels has fish transport section(s) suitable for overcoming water level difference and that acts as fish pump that generates reduced pressure in its suction region
04/02/2008CN101153482A Overground step reservoir and building method thereof
03/2008
03/26/2008CN101148867A Flood discharging method and flood discharging tunnel employing rotational flow and strong moisture mixing energy dissipation
03/12/2008CN101139829A Flow guiding engineering for river gate dam and spillway
03/05/2008CN201031384Y Pull-type shutter device
02/2008
02/27/2008CN100371530C Intelligent protection system for high-dam plunge pool
02/20/2008CN101126233A Complex impedance type hydraulic power plant surge-chamber structure
02/20/2008CN101126232A Arch dam flood-discharge energy-dissipating structure
02/19/2008CA2363429C Sediment control barrier
02/07/2008DE202007013837U1 Fischaufstiegshilfe Fish ladder
02/06/2008CN100366827C Hydraulic self-controlling water drainage structure of bottom plate of stilling pond
02/05/2008US7326336 Water intake rotary screen
01/2008
01/23/2008CN201010882Y Water surface cleaning device
01/23/2008CN201010881Y Floating dirt blocking bar
01/23/2008CN101109175A Active retainer swinging type dirt-blocking dirt-cleaning machine
01/15/2008CA2331093C Hydraulic energy dissipating offset stepped spillway
01/10/2008US20080008532 Anti-flooding device for the exploitation of water energy
01/09/2008CN201003294Y Pumping station water-reception pool
01/09/2008CN201003154Y Curved surface diversion canal headwork
01/09/2008CN101100849A Diffusion type curve trajectory bucket
01/09/2008CN101100847A Spare water-blocking dam for segment fixation hole and seam leakage flashboard detachable automatic alarm switch gate
01/02/2008CN200999341Y Side-wise inflow pumping station composite bottom ridge
01/02/2008CN200999340Y Pumping station herringbone trash baffle
12/2007
12/27/2007WO2007147254A1 Adjustable weir for hydroelectric dam installations
12/26/2007CN101092814A Aerator for flat-bottomed water release structure
12/19/2007CN101089296A Differential aeration sluice device
12/13/2007WO2007035463A3 Inflatable weir fish passage systems and method
12/05/2007CN200985499Y Tooth type dam fitting intermittent side sliding gate device
12/05/2007CN101084347A Fishway block
12/05/2007CN101082210A Underwater immersed body constructed by ecological concrete
11/2007
11/29/2007US20070274785 Hydraulic Wall-Dam
11/28/2007EP1311728B9 Control gates
11/27/2007US7299822 Liquid level regulation apparatus
11/15/2007WO2003031335A3 Debris removal system
11/07/2007EP1852554A2 Fish pass
11/07/2007CN200971490Y Powerless self-float sewage arresting floating raft
11/07/2007CN200971484Y Safety cap with viewing pipe
11/01/2007US20070253774 Control Gates
10/2007
10/31/2007CN101063305A Dam for flood discharger
10/25/2007US20070248415 Fishway Block
10/24/2007CN200964584Y Defoaming antifogging pressure type dissipator overflow weir
10/24/2007CN200964583Y Rubber water dam body
10/24/2007CN200964582Y Rubber water dam bottom spacer
10/24/2007CN200964581Y Rubber dam sack fixing anchor upper press board
10/17/2007CN200961257Y Aeration device for flat bottom water-discharging architecture
10/03/2007CN101045237A Method for improving medium or serious saline and alkaline land by the sea, and comprehensive utilization of the same
09/2007
09/26/2007CN200952131Y Gallery self-discharging sand mechanism
09/13/2007US20070209985 Bottom Seal
09/12/2007CN200946261Y Differential type flip bucket for mixing air
09/11/2007US7267763 Water intake screen with circular filter panel
09/05/2007EP1830005A1 Control gates
09/05/2007CN100335724C Water-snail eradication method and tank for culvert and sluice and channel water delivery engineering
08/2007
08/22/2007CN101022874A Screening grid
08/22/2007CN101021065A Hydroelectric station voltage regulating room structure
08/16/2007US20070189853 Bio-passage for disrupting laminar flow
08/09/2007US20070181471 Fine-screened grid
08/09/2007DE202007005216U1 Sohlendichtungsanordnung für Absperrschieber im Wasserbau Sole sealing arrangement for gate valves in hydraulic
08/08/2007CN101012646A Convex bulkhead gate groove
07/2007
07/31/2007US7249915 High-flow sediment-free fish ladder
07/25/2007CN101003970A Conveyer way of self-discharging sand
07/18/2007CN100999899A V-shaped antifouling grid of pump station
07/17/2007US7244078 Control gates
07/11/2007CN2921102Y Air cushion type pressure-regulating room pressure-equalizing system
06/2007
06/27/2007EP1800767A2 Sludge removal
06/27/2007CN2915940Y Curved aerated chute
06/27/2007CN1986979A High pressure pipe dredging structure
06/21/2007WO2007069875A1 Fish-way for sturgeons provided with sealed trays and using drawdowns of membrane hydraulic units
06/20/2007CN1982542A Method for getting fishes through dam
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