Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285) |
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01/12/2005 | CN1563597A Tiltable regulating gate |
01/06/2005 | US20050002737 Watertight gate mechanism |
01/06/2005 | US20050000573 Liquid level regulation apparatus |
01/05/2005 | CN2668696Y Over-flow water gate |
01/04/2005 | CA2268189C Construction methods for preventing land erosion and improving streams, or for revetments, and construction methods for preventing mountain landslides |
01/04/2005 | CA2189329C A flood barrier and a method for forming a flood barrier |
12/30/2004 | US20040265060 Method for constructing scour protection of bridge and stabilization of stream bed using block mat |
12/29/2004 | CN1558975A Method for constructing scour protection of bridge and stabilization of stream bed using block mat |
12/29/2004 | CN1558041A Load restriction controller with two hoisting dots and four sensors |
12/29/2004 | CN1182298C Master-slave type pipe bag and construction process thereof |
12/22/2004 | CN2665210Y 立式转向闸 Vertical shift gate |
12/22/2004 | CN2665209Y An anti-theft water gate control device |
12/16/2004 | DE202004015982U1 Flap for throttling discharge/flow in mixed water drain has drive unit to swivel flap and control flow through flow measurement in drain |
12/15/2004 | CN2663512Y Rapid locating device for rubber dam bag |
12/09/2004 | DE10323164A1 Construction procedure for flood protection system, involves combining sidewalls with special foundation and upper platform of sidewalk or cycle track to form circular outer protection casing mounted in stationary manner along flood limit |
12/08/2004 | CN1553981A Water control gate and actuator therefore |
12/02/2004 | DE202004010620U1 Arrangement for measuring displacements of structures, in particular, dams includes a reference line provided by a flex consisting of twisted and woven wire elements |
11/30/2004 | US6823729 Measuring weir for measuring flow volume at an overflow |
11/24/2004 | EP1370481B1 Method for the loading and transport of agricultural products |
11/18/2004 | US20040226612 Apparatus and method for fluid flow control |
11/17/2004 | CN1546800A Damming method using red mud |
11/17/2004 | CN1546799A Culvert type river damming machine and river damming method therefor |
11/17/2004 | CN1176273C River float blocking cut-off method |
11/11/2004 | DE19549703B4 Konstruktion zur Absperrung von Wasserläufen unter Vermeidung des Geschiebeeintrags Design to isolate water runs while avoiding the boulders entry |
11/10/2004 | CN1544759A Rolling dam equipment |
11/10/2004 | CN1175145C Drifting and blocking cut-off process in fixed position |
11/03/2004 | CN2652997Y Steel surface stone dam |
11/03/2004 | CN2652996Y Protective frame for closure prop dam |
11/03/2004 | CN2652995Y Protective frame for closure prop dam |
11/03/2004 | CN2652994Y Protective frame for closure prop dam |
10/28/2004 | DE10314372A1 Vorrichtung und Verfahren zum Abdichten einer Durchlassöffnung Device and method for sealing a passage opening |
10/27/2004 | CN1539268A Automatic inlet/outlet gate |
10/27/2004 | CN1173130C Load driver |
10/20/2004 | CN2649643Y Automatic telescopic sealing-up device |
10/20/2004 | CN1539046A Fluid level control system |
10/13/2004 | CN2647916Y Rock stacking barrage surface plate structure with insulating layer preventing crack production due to difference of temp. |
10/07/2004 | WO2004018975A3 Automated metering gate |
10/06/2004 | EP1463861A1 Device for a total, or partial, operating barrier for a channel and its installation |
10/06/2004 | CN2646209Y Flashboard gate valve for ditch |
10/06/2004 | CN2646208Y Chemical fiber reinforced water seal for water power engineering deep borehole gate |
10/06/2004 | CN2646207Y Bottom waterstop type gate |
10/06/2004 | CN2646206Y Flexible pipe diaphragm wall |
10/06/2004 | CN2646205Y River cut-off equipment |
09/30/2004 | DE202004010595U1 Transportable flood control barrier has an inflatable flexible body secured between rigid panes with angled bottom flanges supported on the ground |
09/29/2004 | EP1462574A2 Device and method for sealing a through opening |
09/29/2004 | CN2644502Y Two-sided water stop cast-iron lock gate |
09/29/2004 | CN1532344A Phi-shaped water gate |
09/22/2004 | CN2642834Y Primary and secondary pipe bag |
09/22/2004 | CN1167853C Novel ship lock |
09/15/2004 | EP1456479A1 Flexible water gate |
09/15/2004 | CN2641123Y Overflow bridge like diversion dam |
09/02/2004 | WO2004074583A1 Coastal reservoirs |
09/01/2004 | CN1525012A Anti-cracking method for new-old concrete junction plane after gravity dam heightening |
08/31/2004 | US6783300 Water containment structure |
08/25/2004 | CN1523167A Method for regenerating long-standing dams or damaged dams |
08/25/2004 | CN1163675C Double-gear hydaulic cylinder type operation device |
08/25/2004 | CN1163653C Bag linking method for quickly blocking burst of dam or dyke and steel pins |
08/24/2004 | US6779947 Gate systems and methods for regulating tidal flows |
08/19/2004 | WO2004070322A2 Apparatus and method for fluid flow control |
08/19/2004 | CA2514842A1 Apparatus and method for fluid flow control |
08/18/2004 | EP1446533A1 Watertight gate mechanism |
08/18/2004 | CN1521363A Construction method for rock-fill concrete dam |
08/11/2004 | CN2632145Y Hoist opening/shutting apparatus with double hanging poins |
08/05/2004 | WO2004065702A1 System for controlling drinking water distribution by injection |
08/05/2004 | DE10301616A1 Flood distributor for protecting towns, villages, nature and life from floods, has water locks that are installed to air lock, and which are displaceable so as to be raised to allow water to flow through water diffuser |
08/04/2004 | CN2630313Y Concrete curved surface drawing mould apparatus |
07/29/2004 | WO2004063472A1 Pneumatic roof gate |
07/29/2004 | US20040146359 Water containment structure |
07/29/2004 | DE10302744A1 Wall for providing floodwater protection made of reinforced concrete material comprises plate elements having a cross-sectional shape formed by a concrete plate protruding from a circular base |
07/28/2004 | EP1440208A1 Method for constructing scour protection of bridge and stabilization of stream bed using block mat |
07/28/2004 | CN1515754A Surface plate crack-resisting designing method of surface plate rock-fill dam |
07/22/2004 | DE10261754A1 Inflatable flood protection system has a number of flexible tubes filled with water and stacked into a flood restraining wall |
07/21/2004 | CN2627060Y Hydraulic sluice |
07/21/2004 | CN2627059Y Anti-cracking gravity dam after heightening |
06/30/2004 | CN1509364A Portable flood barrier section and flood barrier |
06/16/2004 | CN1505722A Method for the removal of sediment from sand traps |
06/03/2004 | DE10253834A1 Wasserüberlaufanordnung Water overflow arrangement |
05/26/2004 | CN1499026A Concrete powring appts. |
05/20/2004 | US20040096275 Portable flood barrier section and flood barrier |
05/19/2004 | EP1420115A2 Hydraulic siphon for a spillway |
05/12/2004 | EP1417381A1 Device for protection against fluid flow |
05/12/2004 | CN1495405A Remotely-measuring remotelly-controlled rertical displacement meter |
05/12/2004 | CN1495320A Double-gear hydraulic cylinder type operation device |
05/06/2004 | EP1415051A1 Fluid level control system |
05/06/2004 | EP1415049A2 Water control gate and actuator therefore |
04/29/2004 | WO2004035936A1 Modular structural part of a secondary dike, rolling device for a coiled structural part of a dike, and method for unwinding said coiled structural part of a dike |
04/28/2004 | CN2613517Y Protector for abnormal operation of diversion water gate |
04/28/2004 | CN1492107A Energy saving improvement for leak-proof gate |
04/21/2004 | EP1411172A2 Float valve, float flood gate and method of use thereof |
04/14/2004 | CN2611431Y Gate appts. |
04/14/2004 | CN1488816A Master-slave type pipe bag and construction process thereof |
04/13/2004 | US6719491 Fluid level control system |
04/07/2004 | CN1487146A Gravity dam of reinforced concrete |
03/31/2004 | CN1485503A Precooling method for reducing concrete temperature in winter |
03/24/2004 | CN1143030C Method and device for the waterproofing of joints and cracks in hydraulic works, concrete and masonry structure |
03/11/2004 | US20040047694 Polymer-modified earth building materials |
03/10/2004 | CN1481344A Polymer-modified earthwork materials |
03/04/2004 | WO2004018975A2 Automated metering gate |
03/04/2004 | DE20216081U1 Hilfsdeich-Baukörper Auxiliary dike-building |
03/04/2004 | DE10239249A1 Transportable building block for construction of flood barrier has rectangular flat floor with vertical side and end walls at its edges and interlocking corner fittings |