| Patents for E02B 13 - Irrigation ditches, i.e. gravity flow, open channel water distribution systems (1,251) |
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| 08/27/2008 | CN201106175Y Cutting-levelling devices for penstock basal plane solum mill dig |
| 08/21/2008 | WO2008100435A1 Method of substantially preventing or inhibiting summer bentgrass decline |
| 08/21/2008 | WO2008073475A3 Method for multi-stage spatial sampling with multiple criteria |
| 08/19/2008 | US7413382 Coupler for leaching chamber systems |
| 08/19/2008 | US7413381 Septic system drain field |
| 08/05/2008 | US7407340 Modular, self contained, engineered irrigation landscape and flower bed panel |
| 07/23/2008 | EP1170985B1 A method and apparatus for flood irrigation |
| 07/23/2008 | CN201089891Y Concrete slipform lining machine |
| 07/23/2008 | CN101225652A In-situ continuous pouring heavy-caliber covered conduit forming machine and construction technique thereof |
| 07/22/2008 | US7401621 Dispenser sump |
| 07/22/2008 | CA2464965C Drip berm having hydrophobic and hydrocarbon retentive properties |
| 07/16/2008 | CN201087339Y Horizontal water-saving anti-theft ditch shutter |
| 07/09/2008 | CN101213925A Drought resisting method for man-made forest construction and foster |
| 07/02/2008 | CN101209588A Fibre strengthening resin structure material and manufacturing device and method thereof |
| 06/26/2008 | US20080152431 Closable containment berm wall support |
| 06/18/2008 | CN201074317Y Channel gate |
| 06/17/2008 | US7387468 Orifice shield for drainage pipe |
| 06/17/2008 | US7387467 Water collection system |
| 06/10/2008 | US7384212 Septic system |
| 05/21/2008 | CN201062354Y Modular arc water measuring groove |
| 05/14/2008 | CN201058994Y Water channel concrete automatic troweling equipment |
| 05/07/2008 | CN201056699Y Sliding-model parallel-moving concrete lining machine |
| 05/02/2008 | WO2008049287A1 An irrigation system |
| 04/30/2008 | CN201053099Y Self-walking drum-type concrete laying device |
| 04/30/2008 | CN100384322C Rainwater osmosis reversal root protection method |
| 04/29/2008 | US7364384 Anti-rotation stop for chamber |
| 04/16/2008 | CN100381643C Long slope vibratory slipform shaping mill |
| 04/10/2008 | US20080085157 Catch basin having selectable port position |
| 04/09/2008 | CN201044975Y Fibre fortified resin component and manufacturing device thereof |
| 04/02/2008 | EP1115512B1 Chemical oxidation of volatile organic compounds |
| 04/01/2008 | US7351005 Leaching system |
| 03/05/2008 | CN201031384Y Pull-type shutter device |
| 03/05/2008 | CN201031383Y Ladder type prefabricated water channel |
| 03/05/2008 | CN201031382Y Water conservancy pipeline |
| 02/28/2008 | US20080050179 Mitred grate and drain cover |
| 02/27/2008 | CN201027310Y Automatic smoothing reshaping complete plant for soil surface of water canal |
| 02/27/2008 | CN201027305Y Lining machine |
| 02/27/2008 | CN201027304Y Automatic balance control device of channel shaping apparatus |
| 02/27/2008 | CN101130948A Vibrating sliding-mode lining machine |
| 02/20/2008 | EP1888846A2 Fluid conduit with layered and partial covering material thereon |
| 02/20/2008 | CN201024412Y Conjoined double chamber mountain-climbing generation and irrigation device |
| 02/20/2008 | CN201024407Y Cast iron frame steel sluice |
| 02/20/2008 | CN100370211C Liquid dumping device |
| 02/07/2008 | WO2008016410A2 Golf course turf conditioning control system and method |
| 01/31/2008 | US20080025795 Methods, apparatus and system for drain tiles |
| 01/24/2008 | DE102005006653B4 Elektrischer Verbindungskasten für ein Fahrzeug und Verfahren zum Montieren desselben Of the same electrical junction box for a vehicle and method for mounting |
| 01/23/2008 | CN201010887Y Concrete canal prefabricated components |
| 01/22/2008 | US7320559 System and method for dispersing of coal bed sodic water |
| 01/17/2008 | WO2008007567A1 Irrigation facility utilizing water channel |
| 01/09/2008 | CN201003156Y Device for producing U-shaped canal straight wall type measuring flume |
| 01/09/2008 | CN101100851A Mountain land closed water channel |
| 01/03/2008 | US20080003059 Water detention system incorporating a composite draining membrane |
| 01/02/2008 | CN200999341Y Side-wise inflow pumping station composite bottom ridge |
| 01/02/2008 | CN200997812Y Utilization facilities of septic tank sullage |
| 12/26/2007 | CN200996145Y Valve measuring controller |
| 12/26/2007 | CN101091449A Irrigation system |
| 12/19/2007 | CN100355988C Fast building closed ditch on hilly region |
| 12/11/2007 | US7306400 Leaching chamber having dosing pipe hanger |
| 12/05/2007 | CN200985501Y U-type channel concrete lining machine |
| 12/04/2007 | US7303357 Catch basin having selectable port position |
| 11/28/2007 | EP1311728B9 Control gates |
| 11/28/2007 | CN200981994Y Water-proof sluice gate combination structure |
| 11/27/2007 | US7300226 Stormwater receiving assembly |
| 11/21/2007 | EP1733191A4 Loss detection system for open channel networks |
| 11/21/2007 | CN200978410Y Prefabricated panel for fixing dike |
| 11/15/2007 | US20070264082 Splash plate |
| 11/01/2007 | US20070253774 Control Gates |
| 11/01/2007 | US20070251581 Loss Detection System for Open Channel Networks |
| 10/17/2007 | CN200961259Y Energy-saving ecological irrigation and drainage trench for agricultural field |
| 10/11/2007 | US20070237583 Golf course turf conditioning control system and method |
| 10/03/2007 | CN200955141Y Prefabricated flat-bottom water tank |
| 10/03/2007 | CN101046089A Inner support method for trapezoidal antisepage canal with concrete lining |
| 09/26/2007 | CN100339538C Environment protection drainageway construction method utilizing porous bricks |
| 09/25/2007 | US7273330 Invert elevation-change adapter |
| 09/05/2007 | EP1830005A1 Control gates |
| 09/05/2007 | CN200943203Y U-shape water-saving rubber ditch |
| 09/05/2007 | CN101029483A Automatic-balancing controller of channel forming machine |
| 09/05/2007 | CN100335724C Water-snail eradication method and tank for culvert and sluice and channel water delivery engineering |
| 08/29/2007 | CN101024963A Crack-seam-free seepage-proof stable sweeled ground excavation dyke slope construction method |
| 08/29/2007 | CN101024947A Lining building machine |
| 08/29/2007 | CN101024936A All-area covering vaporization-proof water-saving method |
| 08/23/2007 | US20070196174 Device and method for cleaning a landscape surface |
| 08/16/2007 | US20070189852 Modular network irrigation system |
| 08/08/2007 | CN1330835C Simple method of job site preparing channel seam water stopping bar |
| 08/08/2007 | CN101011017A Farmland discharging-irrigating series facilities |
| 08/07/2007 | US7252458 Mitred grate and drain cover |
| 08/02/2007 | US20070177942 Trench pan and grate assembly |
| 08/01/2007 | CN2928948Y Energy saving water fetching device for agriculture irrigation from high river bed water |
| 07/24/2007 | CA2331630C Chemical oxidation of volatile organic compounds |
| 07/17/2007 | US7244078 Control gates |
| 07/12/2007 | US20070160425 Water circulation apparatus to reduce evaporation |
| 07/03/2007 | US7237981 End cap having integral pipe stub for use with stormwater chamber |
| 06/20/2007 | CN1321561C A method and apparatus for flood irrigation |
| 06/14/2007 | DE10137359B4 Baukastensystem für künstliche Wasserläufe Modular system for artificial watercourses |
| 05/30/2007 | EP1311728B1 Control gates |
| 05/30/2007 | CN2905894Y 混凝土预制沟槽 Precast concrete trench |
| 05/23/2007 | CN2903179Y Anti theft brake door |
| 05/23/2007 | CN1317458C Construction method of channel seam seepage control |
| 05/15/2007 | US7217063 Latch for leaching chamber |
| 05/09/2007 | CN2898106Y Safety water supplier |