| 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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| 03/13/2014 | DE102012108429A1 Rückstau-Einrichtung eines Unterdruckabwassersystems Backflow device of a vacuum sewer system |
| 03/12/2014 | CN203475597U Device for removing sludge inside drainage pipeline |
| 03/12/2014 | CN203475596U Multifunctional multipurpose underground pipe dredging tool truck |
| 03/12/2014 | CN203475595U Digging type pipe dredging vehicle |
| 03/12/2014 | CN203475594U Sewer cleaning dredging vehicle |
| 03/12/2014 | CN103628560A Flow cutoff control device with memory function and flow cutoff control method thereof |
| 03/12/2014 | CN103628556A Urban and rural high-pressure water discharging system capable of preventing back flow |
| 03/05/2014 | CN203462569U Rotary cut type pipeline dredging device |
| 03/05/2014 | CN203462568U Mechanical pipeline dredge device |
| 03/05/2014 | CN203462565U Odor-resistant and insect-resistant floor drain |
| 02/26/2014 | CN203452180U Scouring and silting adsorption plant for urban sewage conduits |
| 02/26/2014 | CN203452179U Sludge cleaning device |
| 02/19/2014 | CN203440901U Unidirectional enclosure wall drainpipe member |
| 02/19/2014 | CN103592004A Water tank liquid level detection equipment, water tank liquid level control system and vehicle |
| 02/12/2014 | CN203429763U Automatic water drainage system |
| 02/12/2014 | CN203427665U Novel biogas slurry and biogas residue pump drainage car |
| 02/12/2014 | CN103572830A Multifunctional sewer rescue pump truck |
| 02/12/2014 | CN103572829A Electrically-controlled automatic adjustable overflow weir intercepting well |
| 02/05/2014 | CN203420354U Sewer well anti-falling grid |
| 02/05/2014 | CN103556705A Mud recycling transporter |
| 01/31/2014 | DE202014100229U1 Reinigungsdüse zur Aufnahme eines Kameramoduls Cleaning nozzle for accommodating a camera module |
| 01/30/2014 | US20140026978 Fluid Backup Preventing System and Method of Use Thereof |
| 01/29/2014 | CN203412088U Suction-type sewer scavenger |
| 01/29/2014 | CN203412087U Pipeline dredging and cleaning vehicle |
| 01/29/2014 | CN103541425A Self-closing novel flap valve |
| 01/29/2014 | CN103541424A Automatic control valve for pit |
| 01/28/2014 | CA2640516C Improvements relating to septic tanks |
| 01/22/2014 | CN203403509U Inspection well guide device |
| 01/22/2014 | CN203403508U Twisted rope guide device |
| 01/22/2014 | CN103526825A Novel feces suction truck |
| 01/22/2014 | CN102587489B Shaft dredging grab bucket truck |
| 01/15/2014 | EP2685015A2 Method of installing equipment in the mouth of a side branch pipe as well as a mounting and fixation tool for use in the method |
| 01/15/2014 | CN203393836U Pipe flushing and water storage device used in drainage pipeline network |
| 01/15/2014 | CN103510609A Line-changing gate shaft for cutting blasting of sewage pipeline |
| 01/15/2014 | CN103510608A Shot hole for sewage pipeline detaching and rerouting |
| 01/01/2014 | CN203373848U Moisture blocking valve |
| 01/01/2014 | CN103485412A Rotary-cutting type pipeline cleaner |
| 12/25/2013 | CN203361322U Underwater dredging equipment of drainage pipeline network |
| 12/25/2013 | CN203361321U Backwards-flowing preventing device of region sewage system |
| 12/25/2013 | CN203361223U Rapid-connection grabbing rod type methane tank drawing-out clearing machine |
| 12/25/2013 | CN103469881A Comprehensive intelligent municipal pipe trench system |
| 12/25/2013 | CN102995742B Silt suction vehicle and silt suction pipe retraction system thereof |
| 12/24/2013 | DE102008027477B4 Vorrichtung zur Inspektion eines Kanals für Rohrleitungen und/oder Kabel Apparatus for inspecting a channel for pipes and / or cables |
| 12/19/2013 | DE102012011571A1 Flexible insertable device for avoiding spreading of odor in direct environment of waste disposal system for disposal of feces from portable feces containers of house toilet, has covering including opening, which opens into disposal system |
| 12/18/2013 | CN203347003U Non-return membrane |
| 12/18/2013 | CN203346971U Bacterium-preventing floor drain |
| 12/12/2013 | US20130327406 Suction Coupling |
| 12/11/2013 | CN203334421U Urban underground circular rainwater pipeline dredging device |
| 12/11/2013 | CN203334420U Suction sewage truck sewage discharging apparatus |
| 12/11/2013 | CN203334408U Anti-pest sewer opening cover |
| 12/11/2013 | CN103437419A Mechanical pipe dredging device |
| 12/05/2013 | WO2013180170A1 Method for pulling in restoration pipe, and restored pipeline |
| 12/05/2013 | WO2013180169A1 Pipe guide apparatus for restoring underground pipes, pipe insertion system, pipe restoration system, and restored pipe line |
| 12/05/2013 | WO2013178976A1 Valve device for waste pipe |
| 12/05/2013 | DE102012010761A1 Hydraulic structure e.g. waste water- and/or rainwater structure, has support attached to weight and supporting weight by change of air intake flap contact pressure in aperture, where support comprises weblike projection at air intake flap |
| 12/04/2013 | CN103422412A Automatic cleaning safe street capable of eliminating voice and dust and accessory members thereof |
| 11/27/2013 | CN203307885U Drainage system of sixfold protective sewer |
| 11/27/2013 | CN103410213A Magnetic suction through combined floor drain |
| 11/27/2013 | CN103407399A Novel biogas slurry and biogas residue pumping and discharging vehicle |
| 11/21/2013 | US20130305441 Sewer Vent |
| 11/20/2013 | CN203296163U Novel drainage ditch sewage cleaning ferry vehicle |
| 11/19/2013 | US8589092 Non interrupting on-line water distribution pressure monitoring system for compression type wet and dry barrel fire hydrants |
| 11/13/2013 | CN203284853U Floor drain |
| 11/08/2013 | CA2825893A1 Protective grating for a drain pipe |
| 11/07/2013 | WO2013163997A1 Backflow blocking valve and application |
| 11/07/2013 | US20130291322 Multi-function Cleaning Device |
| 11/07/2013 | DE102012218338B3 Channel inspection device for measuring hydrostatic height of pipe in sewer, has pressure sensor connected with rinsing hose at end and formed in such manner that sensor detects hydrostatic pressure in hose to be locked by shut-off valve |
| 11/06/2013 | CN203270772U Water ring vacuum pump sewer suction vehicle |
| 11/06/2013 | CN203270771U Deep well desilting device of water supply and drainage pipe network |
| 11/06/2013 | CN203270766U Changeable device for drain outlet of sewer |
| 11/06/2013 | CN102628294B Inspection shaft sludge solidifying and clearing method |
| 11/05/2013 | DE202013104734U1 Schnellwechselsystem für Räder eines Inspektionswagens Quick change system for wheels of a car inspection |
| 10/31/2013 | DE102012008405A1 Separating device useful for separating contaminants from contaminated water, comprises receiving device, metering device for adding cleaning substance to contaminated water, and pretreatment device for mechanically separating contaminants |
| 10/30/2013 | CN203256895U Pipeline dredging cleaning vehicle |
| 10/30/2013 | CN203256894U Cellar well silt remover |
| 10/30/2013 | CN103374973A Mixing valve control pressure air feces picking and discharging system |
| 10/24/2013 | DE102012008202A1 Trolley for inspecting and cleaning ducts of different diameters, in sewer pipe, whose middle portion is fixed with landing gears |
| 10/23/2013 | CN203247692U Feces suction truck magnet tank overflowing prevention device |
| 10/23/2013 | CN203247678U Sealing device of horizontal closestool |
| 10/23/2013 | CN203247665U Self-closing type floor drain |
| 10/23/2013 | CN203247664U Low-resistance tube type automatic closer, ponding discharger and floor drain |
| 10/23/2013 | CN203247663U Double anti-reversing floor drain provided with trap and soft movable cover |
| 10/23/2013 | CN103362205A Double-rope sand digger |
| 10/23/2013 | CN103362204A Method for blocking rain sewage pipeline |
| 10/23/2013 | CN102428235B Control device for vacuum valve |
| 10/16/2013 | CN103352493A Floor drain |
| 10/09/2013 | CN203230036U Pollutant sucking pipe withdrawing and releasing device and fecal sucking truck |
| 10/09/2013 | CN203230034U Sewer draining pipe |
| 10/02/2013 | DE102012205304A1 Back-flow preventer for arrangement in waste water pipe that is utilized for discharging household waste water into drainage ditch, has surface segments for covering opening, where edges of segments tilt against each other |
| 10/02/2013 | CN203222889U Falling-preventing and anti-theft manhole cover for manhole mouth |
| 10/02/2013 | CN203222861U Insect-resistant and deodorant drain |
| 10/02/2013 | CN103334487A Urban underground round rainwater pipeline dredging device |
| 09/26/2013 | DE102012107727A1 Abstandsermittlungsverfahren, Abstandsregelverfahren und Verfahren zum Untersuchen eines gefluteten Tunnels damit sowie Abstandsermittlungseinrichtung, Abstandsregeleinrichtung und Unterwasserfahrzeug damit Distance investigation, distance control method and method for inspecting a flooded tunnel and thus proximity detection means, distance control device and underwater vehicle so |
| 09/25/2013 | CN203213275U Rapid plugging device |
| 09/25/2013 | CN103321293A Underwater dredging device for drainage pipe networks |
| 09/19/2013 | DE102012102225A1 Rückstausicherung für Abwasseranlagen Backflow prevention for sewage systems |
| 09/18/2013 | EP2639369A2 Backflow prevention device for waste water installations |
| 09/18/2013 | DE202013104188U1 Drehmodul für ein Inspektionssystem Rotary module for an inspection system |
| 09/18/2013 | CN203200894U Three-segment type energy-saving flap valve |
| 09/18/2013 | CN203200886U Drainage backward-flowing prevention system for equipment in clean area of pharmaceutical factory |