| Patents for E02B 7 - Barrages or weirs; Layout, construction, methods of, or devices for, making same (4,285) |
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| 02/24/2010 | CN201411668Y Novel pressure discharging system of pressure-filled water seal |
| 02/24/2010 | CN201411667Y Pressurized extensible water seal for diversion tunnel gate |
| 02/24/2010 | CN201411666Y Novel opening-closing device of electric gate |
| 02/24/2010 | CN201411665Y Hydraulic leveling inside-elevating type slide-rising template of pier |
| 02/24/2010 | CN201411661Y Novel peripheral joint surface water stopping structure |
| 02/24/2010 | CN101654908A Check gate with function of scouring sand and conducting clear water |
| 02/17/2010 | CN201406678Y Linkage structure of gravity dam and unfavorable geological bank slope |
| 02/17/2010 | CN100590272C Gate hoist |
| 02/10/2010 | CN201401508Y P-type water gate rubber seal part |
| 02/10/2010 | CN201400886Y Complex water seal |
| 02/10/2010 | CN201400885Y Louvered automatic hydraulic control gate |
| 02/10/2010 | CN201400884Y Steel dam gate in dock work |
| 02/10/2010 | CN101644041A Face rockfill dam toe board structure constructed on completely weathered bed rock and construction method thereof |
| 02/09/2010 | US7658572 Tide apparatus and tide structure |
| 02/03/2010 | CN201395785Y Range limit device of screw type headstock gear |
| 01/27/2010 | CN201390954Y Centralized-control hydraulic hoist |
| 01/27/2010 | CN201390953Y Oblique-pulling opening and closing gate |
| 01/27/2010 | CN201390952Y Integrated hydraulic hoist synchronous control device |
| 01/27/2010 | CN201390951Y Stepped formwork of roller compacted concrete dam overflow surface |
| 01/27/2010 | CN100585087C Non-middle-frusta steel gate capable of lodging |
| 01/26/2010 | US7651298 Flood levee and barrier module and system |
| 01/26/2010 | CA2441037C Portable flood barrier section and a flood barrier |
| 01/19/2010 | US7648754 UV resistant multilayered cellular confinement system |
| 01/14/2010 | WO2010003309A1 Water level adjusting device |
| 01/13/2010 | CN201381503Y Shaft-raising type waterpower automatic control strobe |
| 01/13/2010 | CN101624817A Arch-shaped dam |
| 01/07/2010 | US20100003081 Water containment structure |
| 01/06/2010 | CN101619569A Steel gate locking device |
| 01/06/2010 | CN101619568A Locking device of steel gate |
| 01/06/2010 | CN101619567A Water gate system based on double air bags |
| 12/31/2009 | US20090324336 Secondary Containment System for an Above-Ground Petroleum Storage Tank |
| 12/31/2009 | US20090324335 Secondary containment system for an above-ground petroleum storage tank |
| 12/31/2009 | US20090324334 Prevention of flood from a water channel |
| 12/30/2009 | CN201372428Y Module for replacing rubber dam bag partially damaged |
| 12/23/2009 | CN101608443A Soft movable dam easy to open |
| 12/23/2009 | CN100572676C Large area sawed joint cutting construction method of concrete gravity dam cross joint |
| 12/17/2009 | WO2009152533A1 Floating security barrier |
| 12/16/2009 | CN201362842Y Electric gate valve opening and closing device |
| 12/16/2009 | CN101603299A Broken line type dam joint structure and construction method thereof |
| 12/16/2009 | CN101603298A Dam joint structure and construction method thereof |
| 12/16/2009 | CN100570076C Jackstone-type rockfill concrete construction method |
| 12/10/2009 | WO2009148434A1 Flood wall |
| 12/10/2009 | US20090304460 Slit fence installing machine |
| 12/09/2009 | CN201358448Y Closure dam construction water-retaining device |
| 12/09/2009 | CN101597894A Underwater flap gate water gate |
| 12/09/2009 | CN100567649C Mechanism for burying waste residue in reservoir bottom |
| 12/09/2009 | CN100567080C Box-shaped floating type dock gate with open bottomtank |
| 12/02/2009 | CN101591901A Dam building method for mine tailing storehouse in metallurgy industry |
| 11/19/2009 | WO2009139622A1 Self closing flood barrier and method for protecting a hinterland using same |
| 11/19/2009 | US20090283459 Device for the collection of undersea freshwater resurgences |
| 11/18/2009 | CN101582198A Real-time monitoring method for construction quality of core rockfill dam |
| 11/18/2009 | CN101581088A Construction method for filling mortar combined stone dam |
| 11/18/2009 | CN101581087A High concrete slab rock-fill dam dam-filling space-time pre-settlement control method |
| 11/18/2009 | CN100560870C Lower open-type grading gate-plate gate |
| 11/11/2009 | CN101575844A Accurate contraposition connection method of horizontally embedded reinforcing steel bars |
| 11/11/2009 | CN101575843A Roller compacted concrete dam and construction method thereof |
| 11/10/2009 | US7614826 Method and device for waterproofing and draining off infiltrated water in hydraulic structures |
| 11/10/2009 | US7614824 Control gates |
| 10/29/2009 | WO2009129727A1 Dam construction method utilizing refrigeration technique |
| 10/29/2009 | CA2722098A1 Dam construction method utilizing freezing technique |
| 10/28/2009 | CN101565940A Coupling structure of gravity dam and unfavorable geological bank slope and the construction method thereof |
| 10/28/2009 | CN101565939A Latitudinal lap-seam rubber dam bag and production technology method thereof |
| 10/21/2009 | CN201330387Y Plastic composite dam |
| 10/21/2009 | CN101560756A Roller compacted concrete gravity dam keyway type kerf structure and construction method thereof |
| 10/14/2009 | CN201326166Y Inflatable sealing adhesive tape of nuclear reactor buildings water gate |
| 10/14/2009 | CN101555686A Support bar for trial assembling and adjusting of hydropower station tainter valve |
| 10/14/2009 | CN101555685A Chain-degradation impounding dam for mountainous regions |
| 10/13/2009 | US7600944 Flood vent |
| 10/13/2009 | CA2418671C Method and apparatus for activating warning devices |
| 10/08/2009 | WO2009123862A2 Flood barrier system |
| 10/08/2009 | US20090252557 Flood barrier system |
| 10/07/2009 | EP1456533B1 Method and system for regulating the level of a dam |
| 10/07/2009 | CN101550687A Control gates |
| 09/30/2009 | CN201317931Y Pontoon flap gate |
| 09/30/2009 | CN201317930Y Slider-type flap gate structure |
| 09/30/2009 | CN201317929Y Roller connecting bar type hydraulic automatic shutter gate structure with pretilt angle |
| 09/30/2009 | CN101545251A Method for storing and getting water by blocking river on natural river course |
| 09/23/2009 | CN201314040Y Fixed hoist type headstock gear speed regulator |
| 09/23/2009 | CN101538839A Method for constructing highly plastic clay core wall |
| 09/23/2009 | CN101538838A Application of rubber dam in cofferdam water retaining |
| 09/23/2009 | CN101537556A Device and method for processing rotary reamedholes of long rotary ream door lintel of gate of hydropower station |
| 09/23/2009 | CN100543236C Anti-sedimentation gate |
| 09/22/2009 | US7591611 Fluent material confinement system |
| 09/09/2009 | CN201305842Y Closing device of water gate engineering headstock gear rope hole |
| 09/09/2009 | CN201305841Y Pier-less sluice |
| 09/09/2009 | CN101525874A Shutter type hydraulic self-control gate |
| 09/09/2009 | CN101525873A Pier hydraulic leveling inner-climbing climbing form and concrete pouring method thereby |
| 09/09/2009 | CN101525872A Construction method of rubber panel stone ballast dam |
| 09/08/2009 | US7585135 Marsh and wetland rehabilitation system and associated methods |
| 09/02/2009 | CN100535255C Gear form dam matching intermittent latoral pull gate device |
| 09/02/2009 | CN100535254C Once forming construction technique for concrete panel rock fill dam bedding material and slope fixing mortar |
| 08/26/2009 | CN201297297Y Synchronous power telescopic double-cylinder device of hydraulic hoist |
| 08/26/2009 | CN201296920Y Device used for water inlet of inclined pipe of culvert of small reservoir |
| 08/20/2009 | US20090208289 Half and half gate |
| 08/19/2009 | EP2090698A1 Water blockage, flood protection wall |
| 08/19/2009 | CN201292521Y Anteversion prevention device for Side-pulling chain wheel door |
| 08/19/2009 | CN201292520Y Long inverse hanging cable stayed bridge hanger mould for flood discharge sluice |
| 08/19/2009 | CN101509245A Apical axis type waterpower automatic control strobe and uses thereof |
| 08/19/2009 | CN101509244A Rotary thin-plate weir siphon well for water service system of thermal power station |
| 07/23/2009 | US20090185864 Automatic flooding protection for underground ventilation ducts |