Patents for E02B 8 - Details of barrages or weirs (2,159)
07/2001
07/14/2001CA2295381A1 Screen with high pressure nozzles
06/2001
06/14/2001WO2001042568A1 System and method for discharging deposit
06/12/2001US6245225 Stepped filtration device for mechanically separating solids from liquids
05/2001
05/23/2001CN1296102A Water discharge implement for reservoir
05/15/2001US6231757 Apparatus for collecting and removing solid particles from a flowing fluid
05/10/2001WO2001032991A1 Constitution method of automatic flood-gate of discharge type in the lower part
05/03/2001WO2001030481A1 Screening apparatus for use in a sewerage system and method of screening an excess flow in a sewerage system
04/2001
04/12/2001WO2001025546A1 Method and apparatus for facilitating migration of fish past dams and other barriers in waterways
03/2001
03/15/2001DE19937321A1 Stufenrechen Step Screen
02/2001
02/15/2001WO2001011149A1 Stepped rake
02/14/2001EP1075865A1 Apparatus for use in a sewage treatment plant
02/08/2001WO2001009438A1 Liquid flow controller device
01/2001
01/30/2001US6180006 Clarification and solid waste containment system and process
01/24/2001EP1003669A4 Pylon servicing apparatus
01/17/2001CN1060834C Soft-base low-weir spillway dam energy dissipation structure
01/10/2001EP1066430A1 Revolving screening rack, supporting frame for a revolving screening rack and a control link of a screening element
01/04/2001DE19930820A1 Water power station has a single block with an inflow pipe which is positioned according to the water level to take in the upper water with the lower water taken by water turbine wheels which drive the generators
12/2000
12/27/2000EP1062391A1 Separating grid
12/20/2000CN1277291A Construction method utilizing controlled mud-rock flow
12/14/2000DE19925934A1 Effluent channel trash rack as power-rotated disk dipping in against flow and entered in free center space by screen-walled collecting container on hoist.
12/07/2000DE19920074A1 Vorrichtung zum Abscheiden und Herausfördern von Abscheidegut aus einer strömenden Flüssigkeit Apparatus for separating and feeding out of separated material from a flowing liquid
12/05/2000US6155746 Fish ladder and its construction
11/2000
11/23/2000DE19923322A1 Hydroelectric power plant with water treatment system has water intake chamber with concrete floor located behind embankment support wall with outer plant-covered stone wall
11/23/2000DE19919690A1 Filter step rake to collect solids from flowing waters esp. sewage has stationary and moveable gratings with profiled vertical surfaces to increase width of support area
11/16/2000WO2000068513A1 Method for the separation of impurities in incoming waste water and device for applying the method
11/16/2000DE19919689A1 Stepped trash rack of fixed and movable grids integrates transfer element between drive and movable grid suspension to form path of movement as cam disk.
11/08/2000EP1050629A2 Device for separating and transporting of solid matter from running water
11/07/2000US6142705 Pond management system
10/2000
10/31/2000US6139728 Apparatus for collecting and removing solid particles from a flowing fluid
10/31/2000CA2228826C Animal control gate for culverts and the like
10/25/2000EP1046751A2 Sewage screening apparatus
10/25/2000CN2402377Y Rotary filter screen device with hook teeth and rotary brush
10/24/2000US6136206 Swimming pool skimmer cleaner
10/23/2000CA2306405A1 Sewage screening apparatus
10/18/2000CN2401589Y Reservoir sluicing device
10/10/2000US6129215 Programmed method of and apparatus for screening debris
10/03/2000US6126821 Raked bar screen
09/2000
09/27/2000EP1039055A2 Sewage screening apparatus
09/20/2000EP1009231A4 Flow inducer fish guide and method of using same
09/20/2000CN1267263A Pylon servicing apparatus
08/2000
08/31/2000CA2357006A1 A method and apparatus for flood irrigation
08/23/2000EP1029131A1 Fishway system
08/22/2000US6106729 Aeration assembly for dam sites
08/15/2000US6102619 Flow inducer fish guide and method of using same
08/10/2000DE19904642A1 Hydroelectric power generation station and water treatment plant has water collection building formed by foundation block with sand collection chamber
08/03/2000DE19904412A1 Complex of construction and method of indications with corresponding structural component set for water force production involves cavern power plant with outer and base shells between input feed tunnel and output feed tunnel
07/2000
07/27/2000DE19900817A1 Vorrichtung zum Abscheiden und Herausfördern von Abscheidegut aus einer strömenden Flüssigkeit, insbesondere Abwasser Apparatus for separating and feeding out of separated material from a flowing liquid, especially wastewater
07/19/2000EP1020567A1 Device for separating and transporting of solid matter from running water, in particular sewage
07/13/2000DE19900960A1 Cleaning system for the grid where water flows are monitored for water power generation has sliding bodies with paddle extensions on a slide arm parallel to the angled grid rod carrier
07/11/2000US6086757 Guide rollers for cog rake bar screens
07/06/2000DE19900547A1 Hydroelectric power plant, has entrance for water protected by grill curved in the vertical direction and fitted with cleaning device
06/2000
06/29/2000DE19859275A1 Hydroelectric power generating station and water treatment plant has water pipe divided into base and cover shells with central reinforcements
06/21/2000EP1009231A1 Flow inducer fish guide and method of using same
06/15/2000DE19857246A1 Construction and operating method for hydrostatic power plant has water treatment with bar screen water collector cleaned by pivoted slide arm with screen cleaner elements
05/2000
05/31/2000EP1003669A1 Pylon servicing apparatus
05/31/2000DE19854528A1 Cleaning appliance for screens for hydraulic engineering has cleaning rake with blades moving between screening grid bars and upwards to release and remove collected debris
05/31/2000CN2380609Y Reservoir valve
05/16/2000US6063293 Device to facilitate removal of screenings from a bar screen
05/10/2000CN1052285C Apparatus for removing of objects separated by grate from large amount of water
05/09/2000US6059490 Hydraulic energy dissipating offset stepped spillway and methods of constructing and using the same
03/2000
03/30/2000DE19943282A1 Process to remove sludge sediment from a waste water treatment basin in layers minimizes disruption to continuing water treatment processes
03/15/2000EP0984824A1 Bar screen with rotating rakes
02/2000
02/29/2000US6029290 Swimming pool skimmer cleaner
02/24/2000DE19933863A1 Screenings washer for sewage treatment works
02/16/2000CN1244614A Pipe silt discharging method and discharger
02/09/2000CN2362900Y 复合材料滑道 Composite slide
02/02/2000CN2361671Y Flood control bank protection four-face six-side permeable frame
01/2000
01/26/2000CN1048780C Spillway low weir inlet wing wall
01/25/2000US6016920 Programmed method of and apparatus for screening debris
01/04/2000US6010013 Universal method of and apparatus for screening debris
12/1999
12/29/1999EP0966570A1 Strainer insert
12/29/1999CN1047813C Water-dividing sand conveyance control method
12/08/1999CN1047218C Culvert and sluice canal system and method for separating and interception snail from water
12/02/1999DE19922811A1 Dewatering device for fixed surfaces and building structures,
12/01/1999CN1046983C 排沙漏斗 Sand Funnel
11/1999
11/30/1999US5993651 Water influent particle removing apparatus
11/25/1999DE19822853A1 Apparatus for removing living creatures from water courses
11/25/1999DE19820259A1 Waste water treatment plant inlet gully with screen and high-flow water bypass
11/24/1999CN1236039A Dam for flood discharger
11/24/1999CN1046780C Shutoff device
11/18/1999WO1999058768A1 Self-regulating weirs and fishways
11/18/1999CA2331723A1 Self-regulating weirs and fishways
11/17/1999CN2349258Y Hydraulic driving quick plane gate
11/11/1999WO1999057377A1 Hydraulic energy dissipating offset stepped spillway
11/11/1999DE19814140C1 Umlauf-Siebrechen, Tragrahmen für einen Umlauf-Siebrechen und Steuerlasche eines Siebelements Revolving screening rack, support frame for a Revolving screening rack and tax bracket of a sieve element
11/10/1999EP0954651A1 Raked bar screen
11/03/1999CN1046148C Sluiching energy-dissipating method using profiled wide-tail block
10/1999
10/19/1999US5968350 Device for cleaning trash racks
10/07/1999WO1999050510A1 Revolving screening rack, supporting frame for a revolving screening rack and a control link of a screening element
10/06/1999CN1231012A Stepped filtration device for mechanically separating solid from liquids
09/1999
09/30/1999WO1999049145A1 Raked bar screen
09/22/1999CN1229160A Automatic sluice gate with buoyancy programmed control
09/07/1999US5947640 For diverting water from a stream bed
09/02/1999DE19808328A1 Civil engineering complex for water power generation incorporating buildings and water treatment
08/1999
08/26/1999WO1999042668A1 Separating grid
08/26/1999DE19807732A1 Flexible self-supporting fish ladder
07/1999
07/21/1999CN2329703Y Automatic closing device for wire rope hole of opening and shutting machine chamber bottom plate of arc lock gate
06/1999
06/24/1999DE19755588A1 Waste water treatment plant with semicircular screen formed of two arrays useful for removal of coarse solids
06/16/1999CN1219629A Simple water preservation and draining device for small reservoir weir
05/1999
05/20/1999WO1999024680A1 Screen rake
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