| 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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| 05/18/2011 | CN201835383U Frame-type dirt suction pipe conveying device |
| 05/18/2011 | CN201835377U Removable and washable type three-dimensional self-sealed floor drain |
| 05/11/2011 | CN102051911A Multi-arm dredging car |
| 05/04/2011 | CN101649648B Urban sewer check valve and urban sewer opening |
| 04/28/2011 | DE102009050856A1 System for sewer inspection, comprises carriage and camera, which is attached at carriage, where interface element is provided, which is fixed between camera and carriage |
| 04/27/2011 | CN201809853U Drainage automobile for vertical deep-well operation |
| 04/27/2011 | CN201809852U Flow suppression controller and sewage lifting device |
| 04/27/2011 | CN102031826A Automatic dung suction vehicle for dry toilet |
| 04/27/2011 | CN102031825A Hand-cranked underground cleaner |
| 04/20/2011 | CN201802335U Tube well deep hook fishing device |
| 04/20/2011 | CN201801952U Vehicle-mounted city sewer sewage disposal device |
| 04/20/2011 | CN201801951U Diesel engine vacuum suction vehicle |
| 04/20/2011 | CN201801950U Sediment fisher for sewage well |
| 04/20/2011 | CN201801949U Plastic flap valve with high strength |
| 04/14/2011 | DE102004043781B4 Vorrichtung und Verfahren zur Sinkkasten-/Regeneinlaufreinigung Apparatus and method for Sinkkasten- / rain run-cleaning |
| 04/13/2011 | EP2307624A2 Automatic and rapid opening flush system for full-tank discharge |
| 04/13/2011 | CN201791579U Refuse grinder with sealing device |
| 04/06/2011 | CN201785864U Large-sized pipeline silt digging machine |
| 04/06/2011 | CN201785863U Anti-rat and anti-mosquito gate |
| 04/06/2011 | CN201785790U Mobile hydraulic trash remover |
| 04/06/2011 | CN201785789U Synchronous compensation type oil pipe winding mechanism of movable hydraulic sewage remover |
| 03/30/2011 | CN201778388U Automatic rainwater-sewage intercepting device |
| 03/30/2011 | CN101994344A Rotary pipeline dredging cleaner |
| 03/30/2011 | CN101990880A Photoinduced mosquito control device of catch basin |
| 03/24/2011 | WO2011032645A1 Heat exchanger assembly and method for transporting thermal energy |
| 03/24/2011 | DE202010010406U1 Konvektionsblocker Konvektionsblocker |
| 03/22/2011 | CA2577238C An outflow regulator for a gravity-fed liquid outlet |
| 03/17/2011 | WO2010140761A3 Apparatus for preventing offensive odors for a drain |
| 03/16/2011 | EP2295656A1 Device for cleaning sewers |
| 03/16/2011 | CN201762812U Fecal placing device of fecal suction truck |
| 03/16/2011 | CN201762811U Roadside ditch cleaner |
| 03/09/2011 | CN201756736U Sewage pipeline for automatically discharging sewage |
| 03/03/2011 | WO2011025255A2 Self-propelled apparatus for cleaning and repairing the entire surface of a buried underground pipe |
| 03/03/2011 | DE202010016331U1 Absperrschieber Gate Valve |
| 03/03/2011 | DE102009038582A1 Vorrichtung zur Kanalreinigung Apparatus for sewer cleaning |
| 03/03/2011 | DE102009036317A1 Canal cleaning device for use in canal cleaning vehicle, has multiple coupling arrangement selectively couplable with drive shaft, and drive wheels of variable diameters in permanent drivable connection with motor |
| 02/23/2011 | EP2288160A2 Apparatus and method for conducting remote video inspection from above |
| 02/17/2011 | DE202010016532U1 Kanalreinigungsfahrzeug Sewer cleaning vehicle |
| 02/17/2011 | DE202010016529U1 Kanalreinigungsfahrzeug Sewer cleaning vehicle |
| 02/16/2011 | EP2283938A2 Device for cleaning sewers |
| 02/16/2011 | CN101974937A High-pressure dredging guide frame |
| 02/16/2011 | CN101135178B Cleaning soil pick-up dual-purpose combination deroppilation vehicle |
| 02/10/2011 | DE202010013029U1 Filtervorrichtung Filter device |
| 02/03/2011 | DE102009034162A1 Rat trap for use in living- and industrial areas, has truncated and pyramid cones with pipe supports at ends for connection to pipe systems, where trap exhibits geometrical form and surface conditions in interior of trap |
| 01/27/2011 | WO2010139865A4 Float for inspecting sewer systems |
| 01/27/2011 | DE102009031052A1 Method for inspecting and cleaning manhole installed at road side, involves upwardly moving lifting device in manhole in vertical direction, and inspecting manhole from side of main channel using inspection camera |
| 01/26/2011 | CN101660324B Gripping device of cleaning machine of city inspection shaft |
| 01/25/2011 | US7875172 Back-water trap for a floor drain system |
| 01/19/2011 | CN201713935U Crane type silt excavator |
| 01/19/2011 | CN201713845U Multifunctional grab bucket vehicle |
| 01/19/2011 | CN1940373B Different type, defferent diameter connection drainage manhole |
| 01/19/2011 | CN101949169A Large pipeline sludge dredging machine |
| 01/12/2011 | CN201704789U Bilge well dredging equipment |
| 01/12/2011 | CN201704788U Sewage suction truck rotary suspension arm |
| 01/12/2011 | CN201704787U Large-diameter sewage conduit dredging system |
| 01/12/2011 | CN201704785U Manhole anti-foul grating |
| 01/12/2011 | CN201704777U Culvert pipe pull plate gate |
| 01/12/2011 | CN101694108B Sewage level controlling device of dredging system for sewage pipeline with large-pipe diameter |
| 01/05/2011 | CN201695513U Dredging bucket for underground sewage pipeline |
| 12/30/2010 | DE102009025701A1 Channel inspection device for inspection of damages inside sewage channel, has pressure sensor arranged at one of ends of tube such that sensor is in contact with fluid in tube and detects hydrostatic pressure produced by fluid |
| 12/29/2010 | CN201687079U Sludge vibration grab bucket |
| 12/29/2010 | CN201686962U Novel multifunctional roller-type road cleaning machine |
| 12/29/2010 | CN101929199A Rain drainage grate capable of realizing one-sided closing |
| 12/22/2010 | CN201679089U Comprehensively-controlled sewage recycling pipeline dredge suction truck with sewage suction arm |
| 12/22/2010 | CN201679088U Sludge well clearing and digging machine |
| 12/22/2010 | CN201679087U Soil pickup vehicle |
| 12/22/2010 | CN201679086U Sludge cleaner for road well |
| 12/22/2010 | CN201679082U Rainwater well deodorizing device |
| 12/22/2010 | CN101922179A Self-mucosa automatic closed odorless non-blocking ground leakage |
| 12/22/2010 | CN101922178A Mosquito and fly preventing device for rainwater well |
| 12/16/2010 | WO2010142629A1 Apparatus and method for recycling water from slurry, in particular for service vehicles for cleaning sumps of drainage pipes |
| 12/16/2010 | DE102005035826B4 Fahrzeug, insbesondere in das Innere einer Rohrleitung einführbarer Fahr-Geräteträger Vehicle, in particular insertable into the interior of a pipe-driving equipment rack |
| 12/15/2010 | CN201671174U Advance pre-warning machine for blockage or full package of drainage pipes in towns |
| 12/09/2010 | WO2010140761A2 Apparatus for preventing offensive odors for a drain |
| 12/09/2010 | WO2010139865A1 Float for inspecting sewer systems |
| 12/08/2010 | CN201665910U Sealing floor drain |
| 12/08/2010 | CN101191350B Programmable microcomputer control pipeline dredging vehicle |
| 12/01/2010 | CN201660960U Deodorization floor drain |
| 12/01/2010 | CN101113603B Mouse prevention plate with stop-off strip and its special mold board |
| 11/25/2010 | DE10336034B4 Rückstausicherung, insbesondere für eine Abwasserleitung Backflow protection, especially for a sewer line |
| 11/24/2010 | CN201649284U Movable pipe arm of sewage suction truck |
| 11/24/2010 | CN201649274U Self mucosa automatic closed non-odor and non plug floor drain |
| 11/24/2010 | CN201649269U Self-closed deodorizing floor drain |
| 11/24/2010 | CN201649267U Floor drain and floor-drain rubber non-return valve |
| 11/24/2010 | CN201649263U Anti-clogging building sewer pipe system |
| 11/17/2010 | CN201635549U Vacuum swage suction truck tank door lock device |
| 11/17/2010 | CN201635163U Floor drain with impeller |
| 11/17/2010 | CN101886427A Rotary well cover |
| 11/10/2010 | CN201627263U Indoor sewage outlet foul air and creeper isolating device |
| 11/09/2010 | US7828965 Water preparation device, in particular for a drain cleaning vehicle |
| 10/28/2010 | DE202010009745U1 Gerät zum Entleeren von Sinkkasteneimern Device for emptying Sinkkasteneimern |
| 10/27/2010 | CN201614655U 排水厢涵清淤设备 Drainage culvert car dredging equipment |
| 10/27/2010 | CN201614654U 一种大管径污水管道清淤系统的污水水位控制装置 Sewage water dredging a large diameter sewer system control device |
| 10/20/2010 | EP2240647A1 Flow sensor |
| 10/20/2010 | CN201610591U 排水管道联合疏通车 Combined sewer to clear the car |
| 10/20/2010 | CN101864802A Sludge and septic tank cleaning equipment |
| 10/19/2010 | US7814926 Liquid aspirator |
| 10/13/2010 | EP2239381A1 Backflow flap |
| 10/13/2010 | CN201605636U 一种厕所去味阀 One kind of toilet to taste valve |
| 10/07/2010 | WO2010113767A1 Control device for vacuum valve |