| 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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| 10/07/2010 | DE102008015442B4 Anordnung zur Videoinspektion von Rohrleitungen Arrangement for video inspection of pipelines |
| 09/29/2010 | CN201593235U Cleaning equipment of sludge and septic tank |
| 09/29/2010 | CN201593234U Shunt for preventing sewers from blocking |
| 09/28/2010 | CA2414634C Backflow valve/valve extractor combination |
| 09/15/2010 | CN201581491U Sewer automatic anti-reverse-overflowing blockage eliminator |
| 09/08/2010 | CN101824855A Intelligent multifunction combined suction sewage truck |
| 09/08/2010 | CN101824852A Anti-mosquito gully trap |
| 09/08/2010 | CN101225675B Full-hydraulic microcomputer-controlled pipe dredging vehicle |
| 09/02/2010 | WO2010098686A1 Shielding column of pressure pipeline branch |
| 09/01/2010 | CN201567675U Soil collecting vehicle |
| 09/01/2010 | CN201567674U Gripping device of urban inspection well cleaning machine |
| 09/01/2010 | CN201567644U Drainage pipe floor-type connector |
| 08/25/2010 | CN201560494U Minimized manure suction truck |
| 08/25/2010 | CN101812867A Sewage-recycling pipe dredging sewage suction truck with overall adjustable-sewage suction arm |
| 08/12/2010 | WO2010090297A1 Opening-closing device |
| 08/12/2010 | WO2010090296A1 Opening-closing device |
| 08/12/2010 | WO2010090293A1 Opening-closing device |
| 08/12/2010 | WO2010089577A1 Non-return valve adapter for water closet |
| 08/12/2010 | CA2751408A1 Opening/closing device |
| 08/12/2010 | CA2751405A1 Opening/closing device |
| 08/11/2010 | CN201546319U Sludge transporter with dewatering function |
| 08/11/2010 | CN201544840U Positive and negative pressurizing vacuum pipes of four-wheel biogas slurry and biogas residue transportation vehicle |
| 08/04/2010 | CN101793053A Vacuum fecal suction truck |
| 07/29/2010 | DE102008020525B4 Vorrichtung zum Fördern eines Spülschlauches und Verfahren zum Betreiben eines Kanalreinigungsfahrzeuges Conveying device for a flushing hose and method of operating a sewer cleaning vehicle |
| 07/28/2010 | CN201534969U 一种新型高压清洗车 A new high-pressure cleaning truck |
| 07/15/2010 | WO2010080031A1 Method and system for checking whether a pipe filled at least partly with a gas, or a discharge appliance connected thereto, is connected to a first sewer system |
| 07/07/2010 | CN201520990U 一种沼气池移动式清渣车 One kind of mobile digesters slag car |
| 07/07/2010 | CN201520983U Inspection well and large pipeline system provided with same |
| 06/30/2010 | CN101761132A 污泥振动抓斗 Grab vibration sludge |
| 06/23/2010 | CN101748792A Multifunctional cleaning and dredging vehicle |
| 06/23/2010 | CN101748790A Method for rehabilitating existing pipes, and rehabilitation pipe segment used in said method |
| 06/17/2010 | DE102008045084A1 Channel measuring gauge for use in sewage system, particularly manholes, has two measuring marks for position and height direction measurements of circular manholes |
| 06/16/2010 | CN201507029U Fecal suction truck anti-overflow tank device |
| 05/26/2010 | CN201485961U Automatic liquid level controlling device for vacuum liquid suction vehicle |
| 05/26/2010 | CN201485960U Urban sewer check valve and urban sewer mouth |
| 05/25/2010 | CA2420444E Sewer inspection chamber with backflow prevention valve and method and apparatus for installing valve in sewer inspection chamber |
| 05/25/2010 | CA2202214E Sewer inspection chamber with back-flow prevention valve and method and apparatus for installing valve in sewer inspection chamber |
| 05/19/2010 | EP1866487B1 Shut-off device for a waste-water inspection chamber, comprising a shut-off element with a magnetic lock |
| 05/19/2010 | CN201472958U Biogas residue/slurry pump drainage multifunctional tractor |
| 05/12/2010 | CN201459910U Multifunctional inspection well environmental protection device |
| 04/21/2010 | EP2177680A1 Non-return valve |
| 04/21/2010 | EP2177679A1 Non-return valve |
| 04/21/2010 | EP2177678A2 Pollution control valve, drainage system and method |
| 04/15/2010 | US20100089838 Floor drain |
| 04/14/2010 | CN101694108A Sewage level controlling device of dredging system for sewage pipeline with large-pipe diameter |
| 04/08/2010 | DE102009042687A1 Kanalreinigungsfahrzeug Sewer cleaning vehicle |
| 04/07/2010 | CN101691780A Self-walking suction head for pipeline sludge pump |
| 04/01/2010 | CA2640496A1 Low profile backwater valve |
| 03/31/2010 | EP2169128A2 Device and method for collecting, transporting and discharging of liquid material |
| 03/24/2010 | CN201428177Y Detecting vehicle of draining pipelines |
| 03/03/2010 | CN201416211Y Small-sized sewage suction truck |
| 03/03/2010 | CN201415897Y Hand-operated winch for sewage suction pipe of sewage suction truck |
| 03/03/2010 | CN101660324A Gripping device of cleaning machine of city inspection shaft |
| 02/25/2010 | WO2010022137A1 Refuse truck having double barrel storage and methods |
| 02/25/2010 | WO2010001031A3 Automatic and rapid opening flush system for full-tank discharge |
| 02/24/2010 | EP2155970A1 Sluice gate |
| 02/24/2010 | CN201411773Y Environmental protection device for sewer opening |
| 02/24/2010 | CN201411772Y Environment-friendly well cover for sewer |
| 02/18/2010 | DE102009010716A1 Device for secure operation of flap gate that is fastened inside sewer, has protection unit including float that mechanically opens valve, when float is lifted based on amount of water-level above threshold value |
| 02/17/2010 | EP2154300A1 Waste water station |
| 02/17/2010 | CN101649648A Urban sewer check valve and urban sewer opening |
| 02/11/2010 | DE202009013412U1 Abdeckungsaufbau und Nutzfahrzeug Cover construction and commercial vehicles |
| 02/11/2010 | DE202008015822U1 Sperrvorrichtung einer Rohrleitung, insbesondere einer WC-Abwasserleitung Locking device of a pipe, in particular a toilet sewer |
| 02/11/2010 | DE102008036080A1 Verfahren zur Kanalreinigung A method for duct cleaning |
| 02/10/2010 | CN201400934Y Sewage suction device for sewage suction vehicle |
| 01/27/2010 | CN201391012Y Valve type back-pollution preventing device installed at sewer opening |
| 01/21/2010 | CA2638501A1 Tear out test plug for plumbing installations |
| 01/21/2010 | CA2638336A1 Apparatus for pressure testing a plumbing installation |
| 01/20/2010 | EP2145054A1 Arrangement for preventing vermin from advancing in pipes |
| 01/20/2010 | CN201386328Y Sewer sealing cover |
| 01/07/2010 | WO2010001031A2 Automatic and rapid opening flush system for full-tank discharge |
| 01/06/2010 | CN201377120Y Improved frame structure of sewer pipe dredging machine |
| 01/06/2010 | CN101619591A Pipe-dredging vehicle |
| 12/24/2009 | US20090314351 Persuasive environmental recovery system |
| 12/23/2009 | CN201367641Y Magnetic sealed valve spool |
| 12/15/2009 | CA2518572C Beaver control device for a culvert pipe |
| 12/10/2009 | WO2009147207A1 Mobile system and method designed for recycling water from sludges, in particular for service vehicles for cleaning drains, wells, and the like |
| 12/09/2009 | EP2130983A1 Mobile method and system designed for recycling water from sludges, in particular for service vehicles for cleaning drains, wells, and the like |
| 12/09/2009 | CN101597917A Two-section pipeline dredging vehicle |
| 12/02/2009 | CN201354481Y Multi-functional vehicle for removing sludge, cleaning and dredging |
| 11/25/2009 | CN101589261A Conduit repair structure |
| 11/19/2009 | DE202004021658U1 Vorrichtung zum mediendichten Absperren eines Rohrabschnittes und zum Einfahren in ein Nebenrohr Apparatus for medium-tight shut-off of a pipe section and entering a secondary tube |
| 11/18/2009 | EP2119351A2 Electronic pest deterrent device |
| 11/11/2009 | EP2115227A1 A rat trap |
| 11/11/2009 | CN201343777Y Contamination removing device for water storage well and inspection shaft |
| 11/05/2009 | DE102008020525A1 Vorrichtung zum Fördern eines Spülschlauches und Verfahren zum Betreiben eines Kanalreinigungsfahrzeuges Conveying device for a flushing hose and method of operating a sewer cleaning vehicle |
| 11/04/2009 | EP2113615A1 Two-way barrier for preventing rats or other vermin from entering a sewage pipe system |
| 11/03/2009 | CA2350933C Storm water control header for culverts |
| 10/28/2009 | EP2112286A2 Device for conveying a hose and method for operating a sewer cleaning vehicle |
| 10/28/2009 | CN101565966A Device for removing malodor of sewage |
| 10/21/2009 | EP1737323B1 Liquid aspirator |
| 10/07/2009 | CN201321659Y Sewage well cleaning plant |
| 10/07/2009 | CN201321658Y Mechanical clean-up grabbing bucket |
| 09/30/2009 | CN101545282A Device for preventing sundries from flowing in sewage collection and drainage pipelines |
| 09/24/2009 | DE102008015442A1 Video inspection arrangement for pipe lines, has housing provided with video processor, which reads, processes and compresses image data recorded by camera, where processor transfers data to receiver device in digital form over copper line |
| 09/17/2009 | WO2009113936A1 Method for draining sludge |
| 09/17/2009 | DE102004001375B4 Vorrichtung zur Veränderung des freien Strömungsquerschnitts eines Rohres oder Kanals Device for varying the free flow cross section of a pipe or channel |
| 09/16/2009 | EP2101005A2 Dredging machine |
| 09/11/2009 | WO2009110898A1 Septic drain line flow control system |
| 09/09/2009 | CN201305924Y Anti-downdraught device of drain pipe exit |