Patents
Sitemap › E02 - Hydraulic engineering; Foundations; Soil-shifting › E02B - Hydraulic engineering › E02B 13 - Irrigation ditches, i.e. gravity flow, open channel water distribution systems
Patents for E02B 13 - Irrigation ditches, i.e. gravity flow, open channel water distribution systems (1,251)
02/2015
02/11/2015CN104343107A 折叠挡水板 Folding flap
02/11/2015CN104335871A 果园隐形蓄水抗旱沟 Orchard invisible ditch water and drought
02/11/2015CN103466901B 一种适用于农村雨污混合污水处理的生态滞留沟渠系统 One for rural mix of rain and sewage water treatment systems ecology retention ditches
02/11/2015CN102839637B 一种柔性渠道 A flexible channel
02/04/2015CN204139142U 一种用于稻田水位自动控制给水栓 An automatic control paddy water hydrant
02/04/2015CN204132095U 一种农田作物水层排灌一体化系统 One kind of crops and irrigation water layer integrated system
01/2015
01/29/2015WO2015010380A1 Rotating gate for shallow water drainage and damming
01/28/2015CN204125926U 一种水口闸门 One kind of outlet gates
01/28/2015CN104314057A 一种u形生态框架沟渠 One kind of u-shaped ditch ecological framework
01/22/2015WO2015007002A1 Latent-layer water drainage and water plugging elevation type gate
01/15/2015WO2015003217A1 Irrigation network valve
01/14/2015CN204098213U 一种新型压缩气旋通堵装置 A new compression cyclone pass blocking device
01/14/2015CN204097988U 自动闸门 Automatic gates
01/14/2015CN204097987U 新型水利管道 The new water conservation pipeline
01/14/2015CN204097986U 多节插接式加强型混凝土渠道 Multi-section plug-reinforced concrete channels
01/14/2015CN102888830B 塑料水渠及其施工方法 Plastic drains and construction methods
01/07/2015CN204080766U 一种田间渠道生产路 One kind of field channels producing road
12/2014
12/31/2014CN104250966A 小型水闸一体化结构 Small sluice integrated structure
12/24/2014CN204039998U 一种轻型近无渗镀锌板渠道构件及其渠道 Almost no bleeding a lightweight galvanized steel channels and channel members
12/24/2014CN204039988U 卧床式翻板闸门 Ambulatory flap gate
12/17/2014CN204023533U 田间灌溉末级渠道给排水装置 Field irrigation channels to drain the last stage
12/16/2014US8911175 Drainage management system and method
12/10/2014CN204001143U 一种新型环保水渠 A new environmental drains
12/10/2014CN204000802U 一种水利管道 One kind of water conservancy pipeline
12/10/2014CN204000742U 自适应变形倒虹吸 Adaptive deformation inverted siphon
12/10/2014CN104195991A 一种流量补偿式曲线过流断面进水闸 A flow compensated intake flow cross-section curves
12/10/2014CN102518095B 集测量和调节渠道流量功能于一体的量水槽 Set channel flow measurement and regulation functions in one volume sink
11/2014
11/25/2014US8894324 Drainage system, apparatus, and method
11/20/2014US20140341654 Assembly for the Detention or Retention of Water and Other Fluids
11/04/2014US8877048 Cascading system of floodway stormwater containment basins
10/2014
10/28/2014US8870493 Culvert gate assembly
10/02/2014US20140294506 Wastewater discharge method and system
08/2014
08/13/2014CN203768884U 一种农田灌溉用螺旋升降式水道闸门装置 One kind of spiral lift irrigation waterway gate device
08/13/2014CN203768875U 一种离心式水渠泥沙沉积装置 A centrifugal sedimentation drainage device
08/13/2014CN103975808A 一种适用于稻鳖共作的稻田改造方法 Reconstruction method is suitable for paddy rice farming in turtle
08/13/2014CN102535412B 一种大棚棚间沟 A shed shed ditch between
08/06/2014CN203755271U 一种农田灌溉用横拉式水道闸门装置 One kind of irrigation waterway with horizontal pull gate device
08/06/2014CN203755270U 节水型水利渠道预制件 Water Saving Water Conservancy channels precast
07/2014
07/31/2014US20140212219 Roll-formed conduit-arch for leach field
07/30/2014CN203741797U 一种装配式混凝土节水槽 A method of assembling Concrete Festival sink
07/30/2014CN103343569B 一种用于农村生活污水收集和预处理的生态沟渠 An eco-ditch rural sewage collection and pretreatment
07/23/2014CN203729282U 薄壁型水工构筑物的加固结构 Reinforcement of a thin type of hydraulic structures
07/23/2014CN103938599A 一种适用于农田排水沟渠的可调式自排涝安全闸门 One for farmland drainage ditches adjustable self-draining security gate
07/23/2014CN103938598A 一种水力自动灌溉装置 One kind of hydraulic automatic irrigation system
07/23/2014CN103938582A 组合式水稻田围堰埂 Combined rice fields cofferdam ridge
07/08/2014US8770273 Method of drilling and operating an oil or gas well, a method of preventing or minimizing contamination to the soil about an oil or gas well, using a kit to install, an impervious and reusable liner and apparatus therefor
07/03/2014WO2014101032A1 System for controlling farmland irrigation through mobile terminal
07/02/2014CN203684185U 一种水田灌溉水闸 One kind of paddy irrigation sluice
07/02/2014CN103898885A 一种灌排渠道砌体盖顶结构 One kind of drainage channel masonry roof structure
07/02/2014CN103896521A 一种渠道防渗输水水槽的制备方法 Preparation of a canal seepage water tank
06/2014
06/25/2014EP2744945A1 The struggle against desertification
06/25/2014CN203668899U 全自动智能补水器 Automatic intelligent water control
06/25/2014CN203668898U 一种灌溉水渠闸门 One kind of irrigation canal gates
06/25/2014CN203668891U 水利闸门启闭装置 Water gate opening and closing device
06/25/2014CN103882841A 水田灌溉用闸门 Paddy irrigation gates
06/18/2014CN203654250U 新型农用水闸 The new agricultural sluice
06/18/2014CN203654249U 一种输水沟渠 One kind of water ditches
06/18/2014CN203654248U 一种渠道 A channel
06/18/2014CN203654247U 一种渠道防渗输水水槽 A channel seepage water tank
06/18/2014CN203654243U 一种渠道连接件及连接器 A channel connectors and connector
06/11/2014CN203639888U 一种灌排两用渠道 One kind of dual drainage channels
06/05/2014US20140154011 Struggle Against Desertification
06/04/2014CN103835268A Water flow control valve
06/04/2014CN103835263A Prefabricated ditch
06/04/2014CN103086513B Ecological ditch for increasing utilization rates of N and P in farmland by controlling agricultural non-point source pollution
06/03/2014CA2765648C Corrugated leaching chambers having pillars and wide peak corrugations
06/03/2014CA2732245C Modular, scalable liquid management system
05/2014
05/21/2014CN203603131U 农田低压输水管道旋盖防冲式定额取水口 Capping farmland low pressure anti-red style aqueduct water intake quota
05/21/2014CN203603130U 农田低压输水管道扣压防冲式定额取水口 Farmland low-pressure water pipelines withhold anti-red type of fixed water intake
05/21/2014CN203603127U 一种渠道地下水逆止阀式排水系统 A channel check valve groundwater drainage system
05/21/2014CN102535413B 农田水闸 Farmland sluice
05/07/2014CN203583445U 新型水利管道 The new water conservancy pipeline
05/07/2014CN103774627A 灌区防渗型生态渠道的构建方法 Eco-construction methods seepage irrigation channels
04/2014
04/30/2014CN203569538U Water gate opening and closing device
04/30/2014CN203569537U Novel lever type automatic diversion sluice
04/23/2014CN203559399U Novel pulley type automatic water guide sluice
04/23/2014CN103741653A Paddy rice airtight microcell testing system
04/17/2014WO2014056046A1 Flow measurement
04/09/2014CN203530945U Automatic anti-blockage diversion gate
04/09/2014CN203530944U Gate capable of automatically controlling irrigation water lever
04/09/2014CN103711108A Full-automatic intelligent water supplementation device
04/09/2014CN102677641B Semicircular integrated gate
04/02/2014CN103696407A Assembly-type concrete water saving groove
04/02/2014CN102561275B Flap type rope controlled gate
03/2014
03/27/2014WO2014045583A1 Water-repellent-sand mixture and water-repellent-sand structure
03/26/2014CN203498814U Plug valve for blow-off pipe of diversion canal or dam pond
03/26/2014CN203498813U U-shaped channel
03/26/2014CN103669306A Withholding scour prevention quantitative water intake for farmland low-pressure water delivery pipeline
03/26/2014CN103669305A Scour prevention quantitative water intake for rotary cover of farmland low-pressure water delivery pipeline
03/26/2014CN103669304A Novel canal and ditch system for tea garden
03/26/2014CN103669293A Aerial anti-falling gate of lifting device
03/25/2014US8678707 Well-head blowout containment system
03/19/2014CN203487519U Cement irrigation gate
03/19/2014CN203487518U Irrigating terminal having water measuring function
03/19/2014CN103643660A Gate for irrigation canal
03/19/2014CN102483342B A method of determining surface level, and a soil moisture sensor
03/12/2014CN203475392U U-canal formation unit
03/12/2014CN203467340U Rainwater harvesting and drought resisting structure in droughty planting region slope
03/05/2014CN103620120A Prefabricated drain structure
03/05/2014CN103620119A Method for designing corrugated steel sheet and corrugated steel sheet flume
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