Patents for E02B 8 - Details of barrages or weirs (2,159)
01/2005
01/05/2005CN2668696Y Over-flow water gate
12/2004
12/30/2004US20040262242 Screening apparatus
12/29/2004CN1558042A Supporting type labyrinth barrage
12/23/2004DE10325115A1 Vorrichtung zum Abscheiden und Abtransport von Abscheidegut Apparatus for separating and removal of separated material
12/22/2004CN2665212Y A supporting type labyrinth weir
12/22/2004CN2665211Y Full-automatic flood discharge apparatus
12/09/2004US20040247395 Water containment structure with fish ladder
12/09/2004US20040245159 Variable speed waste removal system
12/08/2004EP1484449A2 Device for separating and removing separable materials
12/08/2004CN2661767Y Combined type connecting rod wave eliminator
12/02/2004DE10321374A1 Feinsiebrechen Fine screen
11/2004
11/30/2004US6823729 Measuring weir for measuring flow volume at an overflow
11/25/2004WO2004101105A1 Fine-screened grid
11/16/2004US6817120 Deposit discharge system and method of discharging deposit
11/04/2004WO2004094733A1 An anti-flooding device for the exploitation of water energy
11/03/2004EP1471985A1 Removable bar for bar screen
10/2004
10/28/2004US20040213635 Fish test circuit
10/27/2004EP1204799B1 Liquid flow controller device
10/20/2004CN2649645Y Wave-removing member for combined connecting-rod wave-removing device
10/20/2004CN2649644Y Fixed pile for combined connecting-rod wave removing device
10/07/2004WO2004018975A3 Automated metering gate
09/2004
09/30/2004WO2004083530A1 Fish-passing facility
09/29/2004CN2644503Y Link mechanism of combined type wave-eliminating device
09/21/2004US6793440 Natural cue surface bypass collector
09/15/2004CN1528986A Combined connecting-rod wave-removing device
09/02/2004US20040170475 Baffle Apparatus
09/02/2004DE10306603A1 Vorrichtung zur Geschiebeschachträumung Device for attachment shaft clearance
09/01/2004EP1451412A1 Spillway with improved dissipation efficiency
09/01/2004CN2637558Y Permanent thermal-insulating layer device for concrete dam
08/2004
08/31/2004US6783300 Water containment structure
08/26/2004WO2004009911B1 Fish ladder for passing dams
08/26/2004US20040165955 Migratory fish channel associated with one or more dams in a river
08/26/2004DE202004009528U1 Pass allows fish to ascend in flowing water courses in areas of build-up stages, water power installations and similar and comprises successively arranged basins in flow direction connected to each other by vertical slots
08/25/2004EP1449972A2 Device for emtying grit traps
08/25/2004CN1163675C Double-gear hydaulic cylinder type operation device
08/19/2004DE10305574A1 Screen for removal of coarse solids from effluent water has a sliding array of hooks which lift solid residues along inclined plane and release to container
08/18/2004EP1447479A1 Fishway made of modular elements connected by submerged openings and/or overflows
08/18/2004CN2633950Y Wave eliminating H-body
08/04/2004CN2630313Y Concrete curved surface drawing mould apparatus
08/04/2004CN2630312Y Reservoir flood-reducing and overflowing apparatus
07/2004
07/29/2004WO2004028976A3 Debris removal and method of using same
07/29/2004US20040146359 Water containment structure
07/28/2004CN2628583Y Self-removing sand gallery
07/22/2004DE10303098A1 Structural-procedure for using water power for renewable energy source, involves rake or grill installation for conveying water power stream to feeder through-flow
07/01/2004DE10258554A1 System for preventing or restricting floodwater comprises a tube system arranged in the region of each bank of a river in the form of a fast lane in which part of the water flows at a faster rate
06/2004
06/29/2004US6755591 Liquid flow controller device
06/17/2004US20040115003 Floating river debris skimmer
06/17/2004US20040112845 Debris removal system
06/17/2004US20040112810 Device for separating and removing separation materials from a flowing liquid
06/10/2004WO2004009911A3 Fish ladder for passing dams
06/09/2004CN1153002C Method for piping-type and collection in river, shifting silt from reservoir and treating river and desert
06/03/2004WO2004046466A1 Deposit conveying mechanism and deposit conveying method
06/03/2004WO2003046292A9 Spilway with improved dissipation efficiency
05/2004
05/25/2004US6739802 Fish test circuit and method for evaluation of waterway barrier fish bypass systems
05/20/2004US20040096637 Disposable net assemblies for apparatus for collecting floating debris
05/13/2004DE10249922A1 Grid for overflow rainwater duct has a perforated plate fitted with a reciprocating wiper system to prevent clogging
05/12/2004CN1495320A Double-gear hydraulic cylinder type operation device
04/2004
04/28/2004CN1491735A Clean water separator by water force of muddy water
04/21/2004EP1409795A1 Device for diverting fish migrating downstream
04/15/2004WO2003084877B1 Sediment collector with hopper assembly
04/15/2004DE19900817B4 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
04/13/2004US6719912 Bar screen system with emergency discharge doors
04/08/2004WO2004028976A2 Debris removal and method of using same
04/06/2004US6715959 Fish ladder for passing dams
03/2004
03/25/2004US20040057839 Method and apparatus for remediation and prevention of fouling of recirculating water systems by detritus and other debris
03/10/2004EP1029131B1 Fishway system
03/04/2004WO2004018975A2 Automated metering gate
03/04/2004DE10237511A1 Vorrichtung zum Umleiten von Lebewesen und Gegenständen aus einer kanalisierten Wasserströmung Apparatus for redirecting creatures and objects from a channelized flow of water
02/2004
02/25/2004CN1478169A Device for separating and removing separation materials from flowing liquid
02/18/2004EP1389652A2 Device for diverting living organisms and objects from a canalised waterstream
02/12/2004US20040028474 Screen assembly for combined sewer overflow weir
01/2004
01/29/2004WO2004009911A2 Fish ladder for passing dams
01/29/2004US20040018057 Fish ladder for passing dams
01/29/2004DE10230672A1 Verfahren und Vorrichtung zur Reinigung von Rechen, Rechengut und Sand Method and apparatus for cleaning screens, screenings and grit
01/29/2004CA2492496A1 Fish ladder for passing dams
01/22/2004WO2004007846A2 Fish test circuit and method for evaluation of waterway barrier fish bypass systems
01/15/2004US20040009041 Control gates
01/15/2004US20040009040 Fish test circuit and method for evaluation of waterway barrier fish bypass systems
01/07/2004CN1466643A Control gates
01/02/2004EP1062391B1 Separating grid
12/2003
12/23/2003US6666977 Removable bar for bar screen
12/10/2003EP1285142B1 Self-cleaning device, especially for trash screening
12/04/2003US20030221484 Measuring weir for measuring flow volume at an overflow
11/2003
11/27/2003US20030219311 Bottom fed screened water diversion apparatus
11/25/2003US6652189 Method for a migratory fish bypass channel with natural features
11/25/2003US6651825 Disposable net assemblies for apparatus for collecting floating debris
11/19/2003CN1128265C Automatic monoway water gate
11/12/2003CN2585890Y Internal round bottom gallery of concrete dam
11/06/2003CA2427759A1 Weir for measuring liquid overflow
10/2003
10/16/2003WO2003084877A1 Sediment collector with hopper assembly
10/15/2003CN2579949Y Combined steel rail stone cage with ecological protective function
10/09/2003WO2003083223A1 Water gate in automatic dam having multi-stage discharge system
10/09/2003US20030189016 Hoppers are replaceable inserts made of a durable, wear-resistant material
10/09/2003US20030189015 Device for screening/sieving a liquid loaded with bulk material, and procedure for screening/sieving such a liquid
10/07/2003CA2239929C Method and device for cleaning trash racks
10/02/2003US20030183563 Non-metallic tooth segment and bar rack design
09/2003
09/24/2003EP0901540B1 Fish ladder and its construction
09/24/2003CN2575153Y Shallow sea single pipe platform reinforced bulkhead
09/17/2003EP1066430B1 Revolving screening rack
09/09/2003US6616383 Sediment control barrier
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