Patents
Patents for E03F 7 - Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools (2,571)
07/2008
07/17/2008US20080168720 Rodent Entry Prevention Device
07/09/2008EP1940648A1 Pipe arrangement in connection with a container for transport of sludge or other liquid
07/02/2008CN201080653Y Waterspout guard
06/2008
06/26/2008WO2008075406A1 Conduit repair structure
06/26/2008DE19634160B4 Hebevorrichtung Hoist
06/26/2008CA2673225A1 Conduit repair structure
06/19/2008DE102007004945B3 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
06/19/2008DE102006009346B4 Saugfahrzeug Suction vehicle
06/18/2008CN201074353Y Water-storage type water falling head
06/12/2008DE202007001826U1 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
06/11/2008CN100394087C Check ball valve and water draining controller using valve
06/05/2008WO2008065777A1 Conduit inspection system and conduit inspection method
06/05/2008WO2008064420A1 Sanitary water conservation device
06/04/2008EP1927702A1 Mobile unit for cleaning a sewer system
06/04/2008CN201068600Y Ditch lid structure for mosquito and odor prevention
06/04/2008CN101191350A Programmable microcomputer control pipeline dredging vehicle
06/03/2008US7381454 Tubular product
05/2008
05/22/2008US20080115314 Mobile unit for cleaning a sewer network
05/21/2008EP1923515A2 Safety conduit for heavy precipitation and conduit assembly
05/21/2008DE202008002842U1 Kanalreinigungs- und Inspektionsroboter Drain Cleaning and Inspection Robot
05/15/2008WO2008056387A1 System and device for detecting the blockage of pipes particularly for siphons of discharge ducts.
05/08/2008DE102007004485A1 Drive unit for a hinged television inspection unit for sewer inspection comprises a pressure chamber produced between two driving units using inflatable rubber bladders
05/06/2008CA2538687C Method and portable apparatus for in-transport treatment of waste water
05/02/2008WO2008050160A1 Floor drain with odour seal
04/2008
04/16/2008EP1912000A1 Insert device for insertion into a duct or shut-off valve and pertinent valve equipped with this
04/02/2008EP1210483B1 Mud suction unit
03/2008
03/27/2008WO2008034566A1 Shut-off valve for liquid-carrying pipes
03/13/2008DE102004032678B4 Inspektionsfahrzeug für Kanäle Inspection vehicle for channels
03/06/2008US20080054625 Rehabilitating Pipe for Repairing Pipeline Facilities and Method for Repairing Pipeline Facilities Using Rehabilitating Pipe
03/05/2008CN201031440Y Ridge-passing type digging and pulling out device
03/05/2008CN201031437Y Environment protection type water drain grid
03/05/2008CN101135178A Cleaning soil pick-up dual-purpose combination deroppilation vehicle
02/2008
02/20/2008CN201024530Y Feces suction vehicle deodorizing device
02/20/2008CN201024529Y Filth suction vehicle
02/20/2008CN201024528Y Sand sediment trap device for preventing mosquito, toxic and odorous gas
02/13/2008EP1887153A2 Flame blocking device
02/06/2008CN201016186Y Remotely controlled clutch digging type conduit dredging machine
02/06/2008CN101117818A Lateral pipe lining material and lateral pipe lining method
02/02/2008CA2554841A1 Method of regulating a flow through a liquid distribution system
01/2008
01/30/2008CN201013037Y Vehicle mounted screw conveyor
01/30/2008CN101113603A Mouse prevention plate with stop-off strip and its special mold board
01/29/2008US7322382 Segment for a rehabilitating pipe
01/16/2008EP1878839A1 Sewer line system provided with an adjusting device
01/15/2008CA2302714C Backflow valve
01/09/2008CN201003211Y Clutch digging type pipe dredger
12/2007
12/27/2007DE102005017441B4 Saug-Spülfahrzeug Suction flushing vehicle
12/21/2007WO2007143994A1 Slurry tanker with ejector and method for filling a tank on the slurry tanker
12/19/2007EP1866487A2 Shut-off device for a waste-water inspection chamber, comprising a shut-off element with a magnetic lock
12/19/2007CN100355998C Mosquito-eradicating water grate for urban sewer
12/12/2007CN200989005Y Combined valve with pipeline filter
12/05/2007CN100353005C Bimagnetic body magnetic force sealing device
11/2007
11/28/2007CN200982032Y Mouse-proof insect-preventing box for sewage
11/21/2007CN200978465Y Folding mosquito eradication water grate for urban sewer
11/21/2007CN101074757A Vacuum liquid-absorbing automobile
11/15/2007DE102004022120B4 Vorrichtung zur Reinigung kommunaler Einrichtungen im Straßenbereich Apparatus for treating municipal facilities in the street area
11/07/2007CN200971563Y Verticle urban sewer grate with mosqito-eradication function
11/07/2007CN200971562Y Built-in urban sewer grate with mosquito-eradication function
11/06/2007CA2437379C Flexible weir style pinch valve
10/2007
10/31/2007DE102006018014A1 Aufnahmevorrichtung für einen Saugschlauch Recording device for a vacuum hose
10/24/2007EP1847658A1 Collet for a suction tube
10/18/2007CA2584570A1 Sag correction system
10/17/2007EP1845293A2 one-way valve
10/17/2007EP0730733B1 Process for detecting totally or partially hidden non-homogeneities by microwave radiation
10/17/2007CN200961297Y Mosquito-proof device for water drain
10/10/2007CN200958243Y Anti-ant brake of water outlet
10/10/2007CN200958232Y Single-connected mouse arrester of sewer
10/10/2007CN101050642A Anti-foul door
10/03/2007CN200955195Y Cable controlled middle-small drain-water pipeline automatic dredging apparatus
09/2007
09/27/2007WO2007108553A1 Device for attaching/detaching deodorization tool for sewage pipeline
09/20/2007DE102006004184A1 Rohr-Rattenschreck Tube shock rats
09/19/2007CN200949265Y Blowoff epidemic prevention valve
09/13/2007WO2007101437A1 Method for optimizing of a vehicle for sewer cleaning and a vehicle for sewer cleaning
09/13/2007DE102006009346A1 Saugfahrzeug Suction vehicle
09/12/2007CN200946325Y Mosquito-proof gate
09/12/2007CN200946324Y Simple mosquito-proof gate
09/05/2007EP1828498A1 Rodent entry prevention device
09/05/2007CN200943258Y Flexible light high-intensity slap gate
08/2007
08/30/2007WO2007097651A1 Non-return valve with a ball-shaped valve body
08/30/2007US20070199595 Liquid Aspirator
08/29/2007EP1826326A2 Barrier for preventing rats or other vermin from entering a sewage pipe system
08/29/2007CN200940292Y Active water sealing and sanitary sewage pipeline inlet for urban use
08/22/2007EP1819958A1 Gravity flow isolation device
08/22/2007CN2937274Y Double-layer V-shaped or U-shaped deodour device
08/22/2007CN1332829C Cleaning vehicle
08/22/2007CN101023226A Method of repairing drain pipe
08/21/2007CA2407297C Duct repairing material, repairing structure, and repairing method
08/21/2007CA2300514C Method for thawing frozen road culverts
08/15/2007CN2934807Y Magnetic force hose type check valve for mixture of liquid, solid and gas
08/09/2007US20070181495 Method of operating a sewage system and such a sewage system
08/08/2007CN2931612Y Stinking-proof device of sewage outfall
07/2007
07/26/2007DE202007007528U1 Vorrichtung zur Reinigung der Wandung von Kanalschächten Device for cleaning the wall of manholes
07/25/2007CN101003981A Dual sealed superpneumatic full opened sealer forbidding countercurrent
07/11/2007EP1806457A1 Retreated pipe and conduit facility restoring method using the retreated pipe
07/11/2007EP1805376A1 Device for temporarily closing a manhole and a tool for handling said device
07/11/2007CN2921129Y Cleaning and dirt-sucking two-purpose vehicle
07/05/2007WO2007074818A1 Vacuum fluid transfer system
07/04/2007CN2918570Y Municipal drainage pipe dredging device
06/2007
06/20/2007CN2913490Y Water-discharging device
06/13/2007EP1795663A1 Regenerated pipe for regenerating pipeline facility and method of regenerating pipeline facility using the regenerated pipe
06/07/2007WO2007064270A1 Nonreturn valve
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