| 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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| 08/27/2009 | DE102008010438A1 Kanal-Inspektionsroboter mit digitaler Datenübertragung Channel inspection robot with digital data transmission |
| 08/26/2009 | EP2092127A1 Sanitary water conservation device |
| 08/26/2009 | CN201296964Y 下水道疏通器 Sewer dredge |
| 08/12/2009 | EP1940648A4 Pipe arrangement in connection with a container for transport of sludge or other liquid |
| 08/06/2009 | US20090196402 Monitoring arrangements, having communication establishment information changed from initial communication establishment information |
| 08/05/2009 | EP2084338A1 Floor drain with odour seal |
| 07/22/2009 | CN201276754Y Desilting power shovel with large extracting rate for sewer |
| 07/16/2009 | DE10020342B4 Abwasserkontrolleinrichtung Wastewater control device |
| 07/15/2009 | EP2078793A1 Antiflooding valve |
| 07/15/2009 | EP2077716A1 A rat trap |
| 07/02/2009 | US20090165226 Method and Apparatus for Pulling Hose |
| 06/18/2009 | WO2009073959A1 Fluid backup preventing system, and method of use thereof |
| 06/17/2009 | CN201258535Y Manhole clearing and digging device |
| 06/17/2009 | CN201258534Y Deep mine clearing and digging device |
| 06/10/2009 | EP2066846A1 Shut-off valve for liquid-carrying pipes |
| 06/10/2009 | EP1430290B1 Method of tracing drains |
| 06/06/2009 | CA2645709A1 Heating system and method for prevention of underground tank freeze-ups |
| 06/04/2009 | WO2009022120A3 Valve assembly |
| 06/04/2009 | DE102008022602A1 Kanalsystem mit Prüfvorrichtung Channel system with tester |
| 06/02/2009 | CA2517785C Check valve |
| 05/27/2009 | CN201245895Y One-way propelling pipeline dredge machine |
| 05/27/2009 | CN100491661C Position regulating spacer and method of repairing pipe position using the same |
| 05/20/2009 | DE102007052915A1 Vorrichtung zum Aushärten von Kunststofflinern zur Kanalsanierung Apparatus for curing plastic liners for sewer rehabilitation |
| 05/13/2009 | CN201236383Y Dredger for cleaning sewer |
| 05/06/2009 | CN201232255Y Energy-saving check valve for urban drainage water pump |
| 04/29/2009 | CN101418591A Manhole dirt cleaning truck |
| 04/16/2009 | DE102005014155B4 Sielhautaufwuchskörper Sielhautaufwuchskörper |
| 04/15/2009 | EP2048293A2 Apparatus for servicing a drain and a corresponding method |
| 04/15/2009 | CN101408038A Road well clearing and digging machine |
| 04/14/2009 | US7518999 Monitoring arrangements, having communication establishment information changed from initial communication establishment information |
| 04/09/2009 | US20090089968 Apparatus and method for inspecting sewer lines using small mobile vehicles |
| 03/18/2009 | CN101389888A Non-return valve with a ball-shaped valve body |
| 03/17/2009 | US7503134 Inclined slope vacuum excavation container |
| 02/19/2009 | WO2009022120A2 Valve assembly |
| 02/18/2009 | CN101368406A Deep mine clearing and digging device |
| 02/18/2009 | CN101368405A Odorless street drainage apparatus |
| 02/11/2009 | EP1828498B1 Rodent entry prevention device |
| 02/11/2009 | CN201193364Y Self-sealing device for sewage port of drainage |
| 02/04/2009 | CN201190330Y 'Four pests' joint prevention device |
| 01/29/2009 | WO2009012563A1 Inflatable fluid conduit plug |
| 01/22/2009 | DE102007033207A1 Magnet circuit integrated float drive, has permanent magnets, where position of one magnet is retained with fluid level until adhesive force of magnet is reduced by float switch or switching impulse drops back into starting position |
| 01/21/2009 | CN100453749C Mosquito and fly preventer for rain catch-basin |
| 01/08/2009 | DE202008013050U1 Kanalreinigungsfahrzeug Sewer cleaning vehicle |
| 01/08/2009 | DE19716050B4 Fahrzeug mit Einrichtung zum Reinigen von Rohren Vehicle with means for cleaning pipes |
| 01/07/2009 | CN201176635Y Full automatic drainage dredging vehicle |
| 01/07/2009 | CN100450042C 监视系统 Monitoring System |
| 01/07/2009 | CN100448761C Vacuum liquid-absorbing automobile |
| 01/06/2009 | US7472912 Tear-out coupling and water line |
| 12/31/2008 | CN201172888Y Manhole dirt cleaning truck |
| 12/24/2008 | CN201169829Y Water drain integrative maintaining vehicle |
| 12/24/2008 | CN201169826Y Intellectualized sewage water recognition split stream apparatus |
| 12/24/2008 | CN201169786Y Environmental sanitation clearing movable shovel |
| 12/18/2008 | WO2008152156A1 Pest collection device for wastewater-drainage systems |
| 12/18/2008 | DE102007027059A1 Device for digital and three-dimensional representation of sewer pipe, has camera designed as three-dimensional camera for scanning channel wall with light source, where light pulses reflected at channel wall is reflected on pixel array |
| 12/17/2008 | CN201166243Y Vacuum liquid suction vehicle |
| 12/17/2008 | CN201165705Y Water ring vacuum pump transmission system for water drain integrated maintaining vehicle |
| 12/17/2008 | CN100443795C Segment for rehabilitating pipe assembly |
| 12/10/2008 | CN201162276Y Biogas suction vehicle |
| 12/10/2008 | CN201162275Y Flexible flap valve |
| 12/10/2008 | CN100441790C Mosquitocide water grate in urban sewer |
| 12/03/2008 | EP1996772A1 Method for optimizing of a vehicle for sewer cleaning and a vehicle for sewer cleaning |
| 11/27/2008 | WO2008142443A1 Sluice gate |
| 11/20/2008 | WO2008140409A1 Arrangement for preventing vermin from advancing in pipes |
| 11/13/2008 | WO2005003611A3 Method and apparatus for pulling hose |
| 11/13/2008 | US20080276406 Apparatus for removing waste from a storage container |
| 10/30/2008 | WO2008129150A1 Sewer cleaning truck |
| 10/28/2008 | US7441989 Beaver control device for a culvert pipe |
| 10/23/2008 | DE202008010679U1 Schutzgitter für Betonrohre Protective grille for concrete pipes |
| 10/22/2008 | CN201137212Y Multifunctional environment-friendly sluice |
| 10/22/2008 | CN201137209Y Underground drainage device |
| 09/25/2008 | WO2008114460A1 Deodorizing device for sewer pipe |
| 09/25/2008 | DE102006046156B4 Handkamerasystem Handheld System |
| 09/25/2008 | DE102006018014B4 Aufnahmevorrichtung für einen Saugschlauch Recording device for a vacuum hose |
| 09/25/2008 | DE102005030508B4 Gasverschluss für Kanalschächte und Rohrleitungen The gas seal for manholes and pipes |
| 09/11/2008 | DE102007011214A1 Coupling base for submersible pump, has backflow preventer in form of ball, where ball is guided into retainer for vertical movements, and sealing hub is horizontally designed at lower end of ball |
| 09/11/2008 | DE102005020658B4 Vorrichtung zum Ausbringen eines Hochdruck-Kanalspülschlauchs An apparatus for discharging a high-pressure Kanalspülschlauchs |
| 09/09/2008 | US7424374 Flow transport analysis method and system |
| 09/04/2008 | WO2008104448A1 A rat trap |
| 09/04/2008 | CA2678658A1 Powered equipment and a method of mounting such equipment in front of a sewer pipe |
| 09/03/2008 | CN100416004C Mosquito Killing water grate for city sewer |
| 09/03/2008 | CN100416003C Mosquito killing water grate of lateral city sewer |
| 09/02/2008 | US7420587 Apparatus and method for inspecting sewer lines using small mobile vehicles |
| 08/28/2008 | DE102004013999B4 Vorrichtung zur Wiederaufbereitung von Schmutzwasser Apparatus for recycling waste water |
| 08/27/2008 | CN101250901A Odorless street drainage device |
| 08/27/2008 | CN101250900A Odorless street drainage device |
| 08/27/2008 | CN101250893A Check valve for building drainage pipeline |
| 08/21/2008 | DE102005009777B4 Rückstauverschluss Backwater valve |
| 08/20/2008 | CN201103164Y Urban sewer mud clearing car |
| 08/14/2008 | WO2008095234A1 Flow sensor |
| 08/14/2008 | CA2712813A1 Flow sensor |
| 08/13/2008 | EP1733099B1 Method of operating a sewage system |
| 08/13/2008 | CN201100510Y Quick rescue and waterlogging drainage car |
| 08/06/2008 | CN201095808Y Vehicle-carrying vacuum feces sucking equipment with filter screen |
| 08/06/2008 | CN201095786Y Pipe dredger |
| 07/31/2008 | DE102004048170C5 Kanalinspektionsfahrzeug und Verfahren zur Kanalinspektion Sewer inspection vehicle and method for sewer inspection |
| 07/30/2008 | CN201092451Y Special vehicle for pumping slags |
| 07/23/2008 | CN201089976Y Automatic dredging machine of drain water pipeline |
| 07/23/2008 | CN201089975Y Anti-mosquito brake |
| 07/23/2008 | CN101225676A Vacuum decontamination vehicle |
| 07/23/2008 | CN101225675A Full-hydraulic microcomputer-controlled pipe dredging vehicle |