| Patents for E03F 3 - Sewer pipe-line systems (3,593) |
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| 03/15/2012 | WO2012031729A1 Slotted cover for a channel body |
| 03/14/2012 | CN202164695U 钢筋砼下水道涵管接头 Reinforced concrete sewer culvert pipe fittings |
| 03/14/2012 | CN102373745A Multitube convergence inspection well with tube tops in flush joint |
| 03/14/2012 | CN102373744A Device for water supply and drainage pipe network with crossed pipelines |
| 03/14/2012 | CN102373743A System for collecting and treating excrements in cities |
| 03/14/2012 | CN102373736A 集合管 Manifold |
| 03/07/2012 | CN202157404U 一种寒带建筑用排水装置 One kind of boreal drainage construction |
| 03/07/2012 | CN202157403U 山谷型垃圾填埋场串联多分区雨污分流装置 Valley-type landfill series multi-partition rain and sewage diversion device |
| 03/01/2012 | WO2012025466A1 Drain for conducting away surface water |
| 02/27/2012 | DE202008018121U1 Erdwärmegewinnungsrohrsysteme für den Betrieb von Wärmepumpen Geothermal energy extraction pipe systems for heat pump operation |
| 02/23/2012 | WO2011138011A3 Heat exchange device, use and heat exchanger arrangement |
| 02/22/2012 | CN102359174A Design for drain hole of bridge opening |
| 02/22/2012 | CN102359173A Design for drainage of bridge bottom |
| 02/20/2012 | DE202011106449U1 Einrichtung zur Gewinnung von Wärmeenergie aus sowohl in Abwasserkanälen als auch in Abwasserdruckleitungen fließendem Abwasser Means for recovering heat energy from both sewers and sewerage under pressure in flowing sewage |
| 02/16/2012 | US20120039670 Method and system for inserting a pipe into an underground borehole |
| 02/15/2012 | CN202144626U 复合防腐的排水管路 Composite corrosion drain line |
| 02/15/2012 | CN202144625U 一种钢塑复合排水管 One kind of plastic composite drain |
| 02/15/2012 | CN102352651A Balcony water retaining and drainage device and construction method thereof |
| 02/15/2012 | CN101589261B 管道补修结构 Pipeline repair structure |
| 02/08/2012 | CN202139523U 道路排水路缘石结构 Road drainage curbs structure |
| 02/07/2012 | US8109693 Method of cutting target members using a cutting saw device |
| 02/02/2012 | WO2012014336A1 Pipeline regeneration pipe |
| 02/01/2012 | CN202131647U 一种聚乙烯塑钢缠绕排水管的连接接头 One kind of polyethylene plastic wrapped drain connectors |
| 01/26/2012 | WO2012009982A1 Inspection well for plastic steel wound pipe network |
| 01/26/2012 | WO2012009775A1 System for collecting cooking oil and oleaginous substances for recycling purposes |
| 01/25/2012 | CN202124904U Anti-overflowing sludge-prevention pipeline connecting device |
| 01/25/2012 | CN202124902U Returning-overflow prevention pipeline access device |
| 01/25/2012 | CN102330467A Municipal sewage double-drainage pipe network for classification drainage and utilization |
| 01/19/2012 | WO2011138010A3 Heat exchange device, use and heat exchange arrangement |
| 01/18/2012 | CN202117318U Template device for circulation water pipe trench of nuclear power station |
| 01/11/2012 | CN202108105U Water-saving device for construction |
| 01/11/2012 | CN202108104U Automatic water draining device |
| 01/11/2012 | CN202108103U Ecological toilet |
| 01/05/2012 | DE102010026146A1 Arrangement for recovering heat energy from wastewater in sewer, has inlet spacer whose outlet is connected with inlet of return line via connecting line that extends from bottom part along side wall into apex region of sewer |
| 01/04/2012 | EP2054558B1 Drainage device |
| 01/04/2012 | CN102308051A Drain and inlet member for drain |
| 01/04/2012 | CN102304939A Valley-type refuse landfill series multi-partition rain and sewage shunting device and method |
| 12/29/2011 | WO2011163605A2 Modified pipe inlet |
| 12/28/2011 | CN202090422U 一种可分离污物的下水管 A separable dirt under the water |
| 12/28/2011 | CN202090421U 一种用于连接外壁具有螺旋加强肋的塑料排水管材的连接结构 Connection structure for connecting the outer wall has spiral ribbed plastic drainage pipe |
| 12/28/2011 | CN202090402U 一种新型的防飞溅排污管 A new splash outfall |
| 12/21/2011 | CN202081497U 一种下水道排放口的隔渣掩臭装置 The screening apparatus mask foul sewer outfall |
| 12/21/2011 | CN202081411U 一种新型的排水管 A new drain |
| 12/21/2011 | CN102287002A 淤泥堆场快速排水系统 Rapid silt yard drainage system |
| 12/15/2011 | DE102010023764A1 UV-Strahlung durchlässige Mehrschichtfolie UV-radiation-permeable multilayer film |
| 12/14/2011 | EP1946029B1 Heat exchanger for utilising the heat from waste water |
| 12/14/2011 | CN202073167U 一种冷却排污管 A cooling outfall |
| 12/14/2011 | CN102277898A 排水管顶进施工方法 Drain pipe jacking method |
| 12/12/2011 | DE202010012463U1 Kunststoffrohrformteil Plastic pipe fitting |
| 12/12/2011 | DE202010012461U1 Kunststoffrohrformteil Plastic pipe fitting |
| 12/07/2011 | CN202064435U 柔性接口检查井及使用该检查井的管道系统 Flexible interface manholes and manhole using the piping system |
| 12/07/2011 | CN102268896A 网状雨水管道排水系统 Mesh storm sewer drainage system |
| 12/07/2011 | CN102268190A 一种垃圾塑料的再利用方法 Reuse a plastic garbage method |
| 11/24/2011 | CA2800169A1 Method and system for providing effluent from at least one wastewater treatment plant |
| 11/23/2011 | CN1927931B Special material for producing double-walled entwining tube |
| 11/23/2011 | CN102251576A Reinforced concrete sewer culvert joint |
| 11/23/2011 | CN102251556A House sewer pipe anti blocking method and member |
| 11/16/2011 | EP2386003A2 Slotted drain with adjustable throat assembly |
| 11/16/2011 | CN202039447U Draining consolidating apparatus capable of synchronously and automatically rising along tailing pond |
| 11/16/2011 | CN102242550A Vacuum sewage interception system and method which are suitable for erecting pipes coastwise |
| 11/10/2011 | DE202010017307U1 Wärmetauscher Heat exchanger |
| 11/10/2011 | DE102010019728A1 Wärmetauschervorrichtung, Verwendung, Wärmetauscheranordnung A heat exchanger assembly, use, heat exchanger assembly |
| 11/09/2011 | CN202032225U Drainage pipe fitting |
| 11/09/2011 | CN202031162U Porous gallery type leachate collecting device |
| 11/09/2011 | CN202031005U Ecological drainage channel |
| 11/09/2011 | CN102235060A Design method and design system for roof rainwater drainage systems and drainage system |
| 11/09/2011 | CN102235027A U-shaped anti-blocking water pipe assembly |
| 11/09/2011 | CN101666116B Drainage system used in cities, towns and communities |
| 11/07/2011 | DE202011102529U1 Dichtring Seal |
| 10/25/2011 | US8043497 Aesthetic conduit end cap structure having concealed anchor attachments |
| 10/20/2011 | WO2011128287A1 Relining tube and process for renovating a slot channel |
| 10/20/2011 | DE20321869U1 Breitkanal-Entwässerungssystem Wide channel drainage system |
| 10/20/2011 | DE102010014963A1 Device for retraction of multi-section duct in channel for channel duct relining, has carriage which is inserted into ducts, and telescopic cylinder is provided at carriage, where telescopic cylinder is extendable along duct axis |
| 10/20/2011 | DE102010003960A1 Relining-schlauch und verfahren zum sanieren eines schlitzrinnenkanals Relining hose and procedures to remediate a slit-groove channel |
| 10/19/2011 | CN202012133U Basement drain device |
| 10/19/2011 | CN202012130U Basement sewage discharging device |
| 10/19/2011 | CN202012099U Glass fiber reinforced plastic bar reinforced composite pipe |
| 10/19/2011 | CN202011805U Facility using urban domestic sewage for treating deserts |
| 10/12/2011 | CN102213006A UPVC (Unplasticized Polyvinyl Chloride) sleeve direct burying method |
| 10/12/2011 | CN102213005A Supercharging device for sewage drainage pipeline |
| 10/05/2011 | CN202000460U Maintenance drainage structure for underground powerhouse in hydropower station |
| 10/05/2011 | CN202000459U Backwash channel structure of percolate guide-discharge system at landfill site |
| 10/05/2011 | CN202000420U Capacity-expansion multi-way drain pipe casting with two-stage rotary vane |
| 09/28/2011 | CN201991063U 一种带密封盖的下水管道接头 A sewer pipe joints with sealing cap |
| 09/28/2011 | CN201991062U 温室水槽下的铁管与u-pvc管的连接结构 Iron pipe connection structure and u-pvc pipe under the sink of greenhouse |
| 09/28/2011 | CN102203536A Installation for removing heat from flowing water |
| 09/22/2011 | DE10219570B4 Be- und Entlüftungsventil für Schmutzwasserleitungen Ventilation valve for waste water lines |
| 09/21/2011 | CN201981630U 一种船舶拆解过程中的环保系统 One kind of ship dismantling process of environmental systems |
| 09/14/2011 | CN201972230U 一种小区排水管道 One kind of cell drains |
| 09/14/2011 | CN201972229U 住宅雨水综合利用系统装置 Residential rainwater utilization of system devices |
| 09/14/2011 | CN102184278A Optimization method for drain pipe network |
| 09/09/2011 | WO2011107288A1 Pipe connecting system for connecting pipes by means of a connecting sleeve |
| 09/07/2011 | CN201962781U 污水窨井 Sewage manhole |
| 09/07/2011 | CN201962780U Water drain pipe type blind drain |
| 09/07/2011 | CN201962777U 一种具有过滤装置的排水管件 A filter device having a drain member |
| 09/07/2011 | CN201962776U 一种排水管道防倒灌装置 One kind of anti-intrusion devices drains |
| 09/07/2011 | CN102172198A Water-saving irrigation device for road greenbelt and forming method thereof |
| 09/07/2011 | CN101736803B Sewage deodorization and discharge system with water storage pipes |
| 09/01/2011 | WO2011103672A1 Gauge and frame for a portable sawmill to make wooden box culvert |
| 09/01/2011 | DE202011003792U1 Vorrichtung zum Setzen einer Hutmanschette in eine Kanalabzweigung Means for setting a cap collar in a channel branch |