| 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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| 07/17/2008 | US20080168720 Rodent Entry Prevention Device |
| 07/09/2008 | EP1940648A1 Pipe arrangement in connection with a container for transport of sludge or other liquid |
| 07/02/2008 | CN201080653Y Waterspout guard |
| 06/26/2008 | WO2008075406A1 Conduit repair structure |
| 06/26/2008 | DE19634160B4 Hebevorrichtung Hoist |
| 06/26/2008 | CA2673225A1 Conduit repair structure |
| 06/19/2008 | DE102007004945B3 Passage emergency shut-off device has two double walls of hose in ready position lying one above the other in fold-free state, and with spring-elastic functional elements arranged between double walls, keeping hose in ready position |
| 06/19/2008 | DE102006009346B4 Saugfahrzeug Suction vehicle |
| 06/18/2008 | CN201074353Y Water-storage type water falling head |
| 06/12/2008 | DE202007001826U1 Vorrichtung zum Absaugen von Schmutzwasser aus Bahnwagons eines Zuges und zum Versorgen mit Frischwasser Device for sucking dirty water from train cars of a train and for supplying fresh water |
| 06/11/2008 | CN100394087C Check ball valve and water draining controller using valve |
| 06/05/2008 | WO2008065777A1 Conduit inspection system and conduit inspection method |
| 06/05/2008 | WO2008064420A1 Sanitary water conservation device |
| 06/04/2008 | EP1927702A1 Mobile unit for cleaning a sewer system |
| 06/04/2008 | CN201068600Y Ditch lid structure for mosquito and odor prevention |
| 06/04/2008 | CN101191350A Programmable microcomputer control pipeline dredging vehicle |
| 06/03/2008 | US7381454 Tubular product |
| 05/22/2008 | US20080115314 Mobile unit for cleaning a sewer network |
| 05/21/2008 | EP1923515A2 Safety conduit for heavy precipitation and conduit assembly |
| 05/21/2008 | DE202008002842U1 Kanalreinigungs- und Inspektionsroboter Drain Cleaning and Inspection Robot |
| 05/15/2008 | WO2008056387A1 System and device for detecting the blockage of pipes particularly for siphons of discharge ducts. |
| 05/08/2008 | DE102007004485A1 Drive unit for a hinged television inspection unit for sewer inspection comprises a pressure chamber produced between two driving units using inflatable rubber bladders |
| 05/06/2008 | CA2538687C Method and portable apparatus for in-transport treatment of waste water |
| 05/02/2008 | WO2008050160A1 Floor drain with odour seal |
| 04/16/2008 | EP1912000A1 Insert device for insertion into a duct or shut-off valve and pertinent valve equipped with this |
| 04/02/2008 | EP1210483B1 Mud suction unit |
| 03/27/2008 | WO2008034566A1 Shut-off valve for liquid-carrying pipes |
| 03/13/2008 | DE102004032678B4 Inspektionsfahrzeug für Kanäle Inspection vehicle for channels |
| 03/06/2008 | US20080054625 Rehabilitating Pipe for Repairing Pipeline Facilities and Method for Repairing Pipeline Facilities Using Rehabilitating Pipe |
| 03/05/2008 | CN201031440Y Ridge-passing type digging and pulling out device |
| 03/05/2008 | CN201031437Y Environment protection type water drain grid |
| 03/05/2008 | CN101135178A Cleaning soil pick-up dual-purpose combination deroppilation vehicle |
| 02/20/2008 | CN201024530Y Feces suction vehicle deodorizing device |
| 02/20/2008 | CN201024529Y Filth suction vehicle |
| 02/20/2008 | CN201024528Y Sand sediment trap device for preventing mosquito, toxic and odorous gas |
| 02/13/2008 | EP1887153A2 Flame blocking device |
| 02/06/2008 | CN201016186Y Remotely controlled clutch digging type conduit dredging machine |
| 02/06/2008 | CN101117818A Lateral pipe lining material and lateral pipe lining method |
| 02/02/2008 | CA2554841A1 Method of regulating a flow through a liquid distribution system |
| 01/30/2008 | CN201013037Y Vehicle mounted screw conveyor |
| 01/30/2008 | CN101113603A Mouse prevention plate with stop-off strip and its special mold board |
| 01/29/2008 | US7322382 Segment for a rehabilitating pipe |
| 01/16/2008 | EP1878839A1 Sewer line system provided with an adjusting device |
| 01/15/2008 | CA2302714C Backflow valve |
| 01/09/2008 | CN201003211Y Clutch digging type pipe dredger |
| 12/27/2007 | DE102005017441B4 Saug-Spülfahrzeug Suction flushing vehicle |
| 12/21/2007 | WO2007143994A1 Slurry tanker with ejector and method for filling a tank on the slurry tanker |
| 12/19/2007 | EP1866487A2 Shut-off device for a waste-water inspection chamber, comprising a shut-off element with a magnetic lock |
| 12/19/2007 | CN100355998C Mosquito-eradicating water grate for urban sewer |
| 12/12/2007 | CN200989005Y Combined valve with pipeline filter |
| 12/05/2007 | CN100353005C Bimagnetic body magnetic force sealing device |
| 11/28/2007 | CN200982032Y Mouse-proof insect-preventing box for sewage |
| 11/21/2007 | CN200978465Y Folding mosquito eradication water grate for urban sewer |
| 11/21/2007 | CN101074757A Vacuum liquid-absorbing automobile |
| 11/15/2007 | DE102004022120B4 Vorrichtung zur Reinigung kommunaler Einrichtungen im Straßenbereich Apparatus for treating municipal facilities in the street area |
| 11/07/2007 | CN200971563Y Verticle urban sewer grate with mosqito-eradication function |
| 11/07/2007 | CN200971562Y Built-in urban sewer grate with mosquito-eradication function |
| 11/06/2007 | CA2437379C Flexible weir style pinch valve |
| 10/31/2007 | DE102006018014A1 Aufnahmevorrichtung für einen Saugschlauch Recording device for a vacuum hose |
| 10/24/2007 | EP1847658A1 Collet for a suction tube |
| 10/18/2007 | CA2584570A1 Sag correction system |
| 10/17/2007 | EP1845293A2 one-way valve |
| 10/17/2007 | EP0730733B1 Process for detecting totally or partially hidden non-homogeneities by microwave radiation |
| 10/17/2007 | CN200961297Y Mosquito-proof device for water drain |
| 10/10/2007 | CN200958243Y Anti-ant brake of water outlet |
| 10/10/2007 | CN200958232Y Single-connected mouse arrester of sewer |
| 10/10/2007 | CN101050642A Anti-foul door |
| 10/03/2007 | CN200955195Y Cable controlled middle-small drain-water pipeline automatic dredging apparatus |
| 09/27/2007 | WO2007108553A1 Device for attaching/detaching deodorization tool for sewage pipeline |
| 09/20/2007 | DE102006004184A1 Rohr-Rattenschreck Tube shock rats |
| 09/19/2007 | CN200949265Y Blowoff epidemic prevention valve |
| 09/13/2007 | WO2007101437A1 Method for optimizing of a vehicle for sewer cleaning and a vehicle for sewer cleaning |
| 09/13/2007 | DE102006009346A1 Saugfahrzeug Suction vehicle |
| 09/12/2007 | CN200946325Y Mosquito-proof gate |
| 09/12/2007 | CN200946324Y Simple mosquito-proof gate |
| 09/05/2007 | EP1828498A1 Rodent entry prevention device |
| 09/05/2007 | CN200943258Y Flexible light high-intensity slap gate |
| 08/30/2007 | WO2007097651A1 Non-return valve with a ball-shaped valve body |
| 08/30/2007 | US20070199595 Liquid Aspirator |
| 08/29/2007 | EP1826326A2 Barrier for preventing rats or other vermin from entering a sewage pipe system |
| 08/29/2007 | CN200940292Y Active water sealing and sanitary sewage pipeline inlet for urban use |
| 08/22/2007 | EP1819958A1 Gravity flow isolation device |
| 08/22/2007 | CN2937274Y Double-layer V-shaped or U-shaped deodour device |
| 08/22/2007 | CN1332829C Cleaning vehicle |
| 08/22/2007 | CN101023226A Method of repairing drain pipe |
| 08/21/2007 | CA2407297C Duct repairing material, repairing structure, and repairing method |
| 08/21/2007 | CA2300514C Method for thawing frozen road culverts |
| 08/15/2007 | CN2934807Y Magnetic force hose type check valve for mixture of liquid, solid and gas |
| 08/09/2007 | US20070181495 Method of operating a sewage system and such a sewage system |
| 08/08/2007 | CN2931612Y Stinking-proof device of sewage outfall |
| 07/26/2007 | DE202007007528U1 Vorrichtung zur Reinigung der Wandung von Kanalschächten Device for cleaning the wall of manholes |
| 07/25/2007 | CN101003981A Dual sealed superpneumatic full opened sealer forbidding countercurrent |
| 07/11/2007 | EP1806457A1 Retreated pipe and conduit facility restoring method using the retreated pipe |
| 07/11/2007 | EP1805376A1 Device for temporarily closing a manhole and a tool for handling said device |
| 07/11/2007 | CN2921129Y Cleaning and dirt-sucking two-purpose vehicle |
| 07/05/2007 | WO2007074818A1 Vacuum fluid transfer system |
| 07/04/2007 | CN2918570Y Municipal drainage pipe dredging device |
| 06/20/2007 | CN2913490Y Water-discharging device |
| 06/13/2007 | EP1795663A1 Regenerated pipe for regenerating pipeline facility and method of regenerating pipeline facility using the regenerated pipe |
| 06/07/2007 | WO2007064270A1 Nonreturn valve |