| Patents for E03F 7 - Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools (2,571) |
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| 07/11/2012 | CN202324150U Classified emission and utilization dual sewage pipe network for municipal sewage |
| 07/11/2012 | CN202324109U 偏置式地漏芯 Offset drain core |
| 07/11/2012 | CN202324107U 一种可安装于管道或便盆内的防鼠装置 Can be installed in a pipe or rodent control devices within potty |
| 07/11/2012 | CN102561505A Trash-removal machine for urban subsoil drain |
| 07/05/2012 | DE102011120114A1 Kanalreinigungsfahrzeug Sewer cleaning vehicle |
| 07/04/2012 | CN202298888U 溢流式截流井截流水量控制装置 Closure well water overflow shutoff control device |
| 07/04/2012 | CN202298865U 一种医疗废物处置厂初级雨水收集装置 A medical waste disposal plant junior rainwater collection device |
| 07/04/2012 | CN202298814U 一种地漏防臭器 One kind of floor drain odor control |
| 06/30/2012 | CA2762879A1 Flow-through trap primer valve assembly |
| 06/27/2012 | EP2145054B1 Arrangement for preventing vermin from advancing in pipes |
| 06/27/2012 | CN202284316U 地漏防异味下水芯 Core anti-odor floor drain water |
| 06/27/2012 | CN102518599A Mobile pulp and biogas slurry vehicle-mounted extracting and spraying device |
| 06/27/2012 | CN102094454B Improved dredging boat for large-diameter sewage pipe |
| 06/21/2012 | WO2012079277A1 Floor drain with double traps |
| 06/20/2012 | CN202280148U 一种下水道井盖用防虫器 One kind of manhole covers with pest control |
| 06/20/2012 | CN202280128U 杂物清掏钳 Qingtao debris pliers |
| 06/14/2012 | DE102011120115A1 Kanalreinigungsfahrzeug Sewer cleaning vehicle |
| 06/13/2012 | CN202273711U 一种矿井水仓清淤车 Sump dredging in mine car |
| 06/13/2012 | CN102498347A Heat exchanger assembly and method for transporting thermal energy |
| 06/13/2012 | CN102493547A Automatic dredging system for underground storage-capacity-regulating pipe culvert |
| 06/13/2012 | CN102493544A Anti-overflow floor drain |
| 06/06/2012 | CN202265802U 一种侧开式渠道闸门 A lateral channels open gate |
| 05/30/2012 | EP2458099A1 Device for automatic unwinding and winding of a high-pressure cleaning hose connected to a suction pipe installed on a combined sewer-cleaning vehicle |
| 05/30/2012 | CN202248248U Sewage suction device and integrated maintenance truck for sewer |
| 05/30/2012 | CN202248247U Sludge cleaning engineering vehicle for sewage pumping station |
| 05/30/2012 | CN202248246U Automatic lifting type flashboard |
| 05/30/2012 | CN202248235U Novel deodorization floor drain |
| 05/30/2012 | CN202248219U Interception well with lever type closure valve |
| 05/30/2012 | CN202248147U Drainage pipeline stinking-proof device |
| 05/30/2012 | CN202247762U Automatic stripping sewage suction truck |
| 05/30/2012 | CN102121264B Floor drain for recycling heat of bathing waste water |
| 05/24/2012 | WO2012065269A1 Backwater valve with control linkage |
| 05/24/2012 | CA2818947A1 Backwater valve with control linkage |
| 05/23/2012 | CN102472417A Pipeline regeneration pipe |
| 05/18/2012 | WO2012063996A1 Sump device for improving water quality |
| 05/16/2012 | CN202220380U Elliptical corrugated sealing head for fecal suction truck |
| 05/16/2012 | CN202220370U Multifunctional land draining device |
| 05/16/2012 | CA2722310A1 Backwater valve with float |
| 05/10/2012 | WO2012059508A1 Localization of extraneous water in pipeline networks |
| 05/09/2012 | CN202214785U Double-deodorizing fast-flushing floor drain |
| 05/09/2012 | CN102449244A Apparatus for preventing offensive odors for a drain |
| 05/09/2012 | CN102444201A Underground pipeline exhaust fan |
| 05/03/2012 | US20120103883 Fluid flow control and debris intercepting apparatus |
| 05/03/2012 | DE202011100124U1 Fahrwagen für Inspektionsarbeiten Trolley for inspection work |
| 05/02/2012 | EP2447429A1 Antiflooding valve |
| 05/02/2012 | EP2447428A1 Backlog retention |
| 05/02/2012 | CN202208969U Drill bit type pollution discharge machine |
| 05/02/2012 | CN102433928A Truck for removing sludge from inspection well |
| 05/02/2012 | CN101793053B Vacuum fecal suction truck |
| 04/30/2012 | DE202011002009U1 Absaugkupplung Absaugkupplung |
| 04/26/2012 | DE102010060160A1 Rückstausicherung Backflow prevention |
| 04/25/2012 | CN202202399U 下水道、窨井冲洗吸污车 Sewer, manhole flushing sewage suction trucks |
| 04/25/2012 | CN102428235A Control device for vacuum valve |
| 04/24/2012 | DE202012002287U1 Verfahrbare Vorrichtung zur Entsorgung von Fäkalien aus Toilettenkabinen A mobile device for the disposal of sewage from toilets |
| 04/19/2012 | DE10240804B4 Schlammsauger Sludge Pump |
| 04/19/2012 | DE102010034030A1 Transport apparatus e.g. boat used in underground channel for emergency purpose, has shafts that are driven through underground channel, when winches are operated by tension element |
| 04/18/2012 | EP2440715A1 Apparatus and method for recycling water from slurry, in particular for service vehicles for cleaning sumps of drainage pipes |
| 04/18/2012 | CN202194240U 下水道、窨井冲洗吸污车的升降装置 Sewer, manhole flushing sewage suction trucks lifting device |
| 04/18/2012 | CN102031826B 自动式旱厕吸粪车 Auto-style toilets suction truck |
| 04/18/2012 | CN101812867B 一种吸污臂全方位调控的污水循环利用式管道疏通吸污车 One kind of smoke pollution control arm round recycling of sewage pipeline dredge suction sewage truck |
| 04/11/2012 | EP2439349A2 Apparatus for preventing offensive odors for a drain |
| 04/11/2012 | EP1631726B1 Water preparation device, in particular for a drain cleaning vehicle |
| 04/11/2012 | CN202187420U 立体式道路排水装置 Three-dimensional road drainage system |
| 04/11/2012 | CN102409751A 地下管道疏通钻 Underground pipeline dredge drilling |
| 03/29/2012 | WO2012020912A3 Drain smell preventing device |
| 03/28/2012 | CN202177612U 污水泵站污泥清理工程车的气体检测装置 Sewage sludge pump station clean-up truck gas detection device |
| 03/28/2012 | CN202176020U 污水泵站污泥清理工程车的散热装置 Sewage sludge pump station clean-up truck cooling device |
| 03/28/2012 | CN202176019U 一种污水泵站污泥清理工程车 A pump station sludge clean-up Truck |
| 03/22/2012 | WO2012035235A1 Method and device for controlling a waste water network |
| 03/22/2012 | DE102011018210A1 Robot for inspection and/or processing of sewer pipe for four-wheeled driving trolley, has connection component for connecting cable, and signal connection provided between camera and component and formed in form of radio connection |
| 03/21/2012 | CN102383494A Dredging device |
| 03/21/2012 | CN102383489A Hydraulic automatic control type method for distributing initial rainwater |
| 03/21/2012 | CN102383480A Stinking-proof apparatus for drainage pipeline |
| 03/15/2012 | DE102011011731A1 Damming device for preventing back flow of liquid in channel, has valve swingably supported in interior of channel around axis and between stowed and folded positions, where check valve is formed three-dimensionally and hemi-cyclically |
| 03/14/2012 | EP2428623A2 Mobile waste collection unit and method for implementing said unit |
| 03/14/2012 | CN202164678U 一种全封闭侧排防臭易清洗地漏 A fully enclosed side exhaust odor and easy to clean floor drain |
| 03/07/2012 | CN202157391U 防臭地漏 Deodorant floor drain |
| 03/07/2012 | CN202157388U 防臭地漏装置 Deodorant floor drain devices |
| 03/01/2012 | DE102011100347A1 Early warning system for pipe blockages in KNX system e.g. urban pipe system, has ultrasonic sensor measuring water level and sending actuator output signal when blockage in pipe raises water level |
| 02/27/2012 | DE202012100128U1 Erfassungssystem zur Informationsgewinnung in rohrartigen Elementen Detection system for information retrieval in tubular elements |
| 02/23/2012 | WO2012021961A1 Low profile backwater valve with lock |
| 02/23/2012 | CA2808864A1 Low profile backwater valve with lock |
| 02/16/2012 | WO2012020912A2 Drain smell preventing device |
| 02/16/2012 | DE102010003392B4 Entsorgungsfahrzeug zur Entsorgung von Schlamm- und Fettrückständen und Verfahren zur Entsorgung von Schlamm- und Fettrückständen Disposal vehicle for the disposal of sludge and grease residues and method for disposing of sludge and grease residues |
| 02/15/2012 | CN101589261B 管道补修结构 Pipeline repair structure |
| 02/09/2012 | DE102010036916A1 Back pressure block i.e. pipe piece, for sewer of pipe line in sewage system of building, has pipe line portion whose pumping pressure is larger than back pressure outside pipe line portion, where locking elements closes pipe line portion |
| 02/09/2012 | DE102009058745B4 Absperrvorrichtung und Verfahren Shut-off device and method |
| 02/09/2012 | DE102004022121B4 Fahrzeug mit einer Vorrichtung zur Reinigung eines Schmutzfangs Vehicle equipped with a device for cleaning a dirty fishing |
| 02/08/2012 | EP2415938A1 Control device for vacuum valve |
| 02/08/2012 | CN202139683U 防蚊闸 Mosquito control gates |
| 02/08/2012 | CN102345323A Sludge cleaning machine |
| 02/02/2012 | WO2012014336A1 Pipeline regeneration pipe |
| 01/30/2012 | DE202011104075U1 Kamera-Fahrwagen zur Rohr-/Kanalreinigung und Rohr/Kanalinspektion Camera-trolley for pipe / duct cleaning and pipe / sewer inspection |
| 01/25/2012 | CN202124918U Liquid level automatic control leak-prevention device and diesel engine vacuum suction vehicle using same |
| 01/25/2012 | CN102330468A Intelligent sewage-cleaning equipment |
| 01/11/2012 | CN202108109U Counterweight float bowl |
| 01/11/2012 | CN202108106U Intercept door made of composite material |
| 01/11/2012 | CN202108103U Ecological toilet |
| 01/11/2012 | CN202108090U Combined pipeline dredging tool |
| 01/11/2012 | CN202107253U Sewage suction tank for sewage suction vehicle |