| 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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| 06/07/2007 | US20070125705 Water preparation device, in particular for a drain cleaning vehicle |
| 05/30/2007 | CN1318705C Water impact non-return drainage facility |
| 05/24/2007 | DE102005055547A1 Safety system for working in underground ducts has an overhead safety rail to guide a safety trolley to which a safety harness can be attached |
| 05/10/2007 | WO2006105983A3 Shut-off device for a waste-water inspection chamber, comprising a shut-off element with a magnetic lock |
| 05/10/2007 | DE102006046156A1 Hand-held camera system for inspecting walkable sewer, consisting of camera, spot light(s), laser and position and acceleration sensors with switch-off device |
| 05/09/2007 | EP1261438B1 Well-cleaning system |
| 05/09/2007 | CN1958983A Mosquitocide water grate in urban sewer |
| 05/03/2007 | DE102005052393A1 Vorrichtung zur Gruben- und/oder Kanalreinigung Apparatus for mining and / or sewer cleaning |
| 05/02/2007 | EP1780344A2 Device for the cleaning of cesspools and/or sewers |
| 04/19/2007 | WO2007043163A1 On-vehicle weighing machine |
| 04/19/2007 | DE102005029505B4 Rückstauklappe für ein Gerinne in einem Abwasserschacht Return flap for a flume in a sewer manhole |
| 04/12/2007 | DE102005029520B4 Absperrvorrichtung für einen Abwasserkontrollschacht Shut-off for a sewage manhole |
| 04/12/2007 | DE102004031511B4 Entleerungskolben für ein Saug- oder ein Saug/Spülfahrzeug Dump piston for a suction or suction / flushing vehicle |
| 04/11/2007 | CN1944825A Mosquito Killing water grate for city sewer |
| 04/11/2007 | CN1944824A Mosquito killing water grate of lateral city sewer |
| 04/05/2007 | WO2007037632A1 Pipe examination apparatus and pipe examination method using the same |
| 04/04/2007 | EP1620770A4 Apparatus and method for fluid flow control |
| 04/04/2007 | CN2885960Y Four-proofing apparatus |
| 04/04/2007 | CN1942129A 液体抽吸器 Liquid aspirator |
| 04/04/2007 | CN1940373A Different type, defferent diameter connection drainage manhole |
| 03/29/2007 | DE202006015402U1 Antrieb einer gelenkigen TV-Inspektionseinheit für die kameraoptische Kanalinspektion und/oder Dichtigkeitsprüfung, insbesondere von Rohrverbindungen Drive an articulated TV inspection unit for the camera channel optical inspection and / or tightness inspection, especially from pipe joints |
| 03/22/2007 | DE202006015401U1 Antrieb einer gelenkigen TV-Inspektionseinheit für die kameraoptische Kanalinspektion und/oder Dichtigkeitsprüfung, insbesondere von Rohrverbindungen Drive an articulated TV inspection unit for the camera channel optical inspection and / or tightness inspection, especially from pipe joints |
| 03/22/2007 | DE102005029416B3 End-cap for e.g. electrical duct has inner sleeve fit and outer conical double array of inedible bristles |
| 03/21/2007 | EP1567039B1 Sludge extractor |
| 03/21/2007 | CN1306207C Block unit for repairing flow passage facillities and method of repairing flow passage facilities |
| 03/14/2007 | CN2878551Y Sump well screening can |
| 03/08/2007 | DE102005042124A1 Snow and/or ice receiving device, has rope grid arranged in channel pit or in flowing water, where rope grid has two grid surfaces that are connected together by hinge, and exhibits disconnection at place |
| 03/08/2007 | CA2518572E Beaver control device for a culvert pipe |
| 03/01/2007 | DE202006019327U1 Rückstauverschluss Backwater valve |
| 03/01/2007 | DE102005040418A1 Back pressure flap for use in e.g. sewage treatment plant, has seal formed as fit seal with rubber profile, and flap cover formed as single-piece from plate, where plate has upper bent part that exhibits same width as of flap cover |
| 02/22/2007 | WO2007020330A1 Pipe arrangement in connection with a container for transport of sludge or other liquid |
| 02/22/2007 | DE4426939B4 Inspektionskopf für Seitenkanäle eines unterirdisch verlegten Abwasserkanalsystems Inspection head side channels for a laid underground sewer system |
| 02/22/2007 | DE19538848B4 Verfahren und Vorrichtung zur Reinigung von Kanälen etc. Method and apparatus for cleaning of channels etc. |
| 02/22/2007 | DE102005048145B3 Sealing bubble to seal off channel pipe section lies against piping sides when inflated; is connected to half-shells which pick the bubble up when collapsed and part when bubble is inflated |
| 02/08/2007 | DE10347235B4 Wassersauger Dry vacuum cleaners |
| 02/08/2007 | DE102005036502A1 Vorrichtung und Verfahren zur Inspektion von Wasser führenden rohrförmigen Kanälen Apparatus and method for inspecting water-bearing tubular channels |
| 02/08/2007 | DE102005035826A1 Vehicle, especially mobile appliance carrier for insertion in pipeline, has mobile base with running rollers on first and second cantilever arms that are pivotable separately from each other |
| 02/07/2007 | EP1749944A2 Water-conducting channels inspection method and device |
| 02/07/2007 | CN2866665Y Pipeline cleaning composite dredging device |
| 01/31/2007 | CN2863951Y Vehicle for automatically removing mud of sedimentation basin |
| 01/31/2007 | CN2863928Y Drain capable of restraining rabbit |
| 01/31/2007 | CN1906363A Water discharge trap |
| 01/30/2007 | CA2554543A1 Solids breakup in sewage treatment facility |
| 01/24/2007 | CN2861327Y Disease media biological control gate |
| 01/23/2007 | US7165578 Method for laying a rehabilitating pipe |
| 01/11/2007 | US20070007732 Tear-out coupling and water line |
| 01/10/2007 | CN2856217Y Mosquito killing grate |
| 01/04/2007 | DE102005030508A1 Membrane gas barrier for sub-surface drains or pipes has two elastic sections |
| 01/03/2007 | EP1737323A1 Liquid aspirator |
| 12/28/2006 | DE102005029520A1 Shut-off device for waste water inspection chamber mounted upstream of chamber's inlet opening swung open by force of water flow and retained or released by magnetic lock |
| 12/20/2006 | EP1733099A1 Method of operating a sewage system and such a sewage system |
| 12/20/2006 | CN2848980Y Insect proof, odour preventing device of sewer |
| 12/13/2006 | EP1731232A2 Pipe-inspecting-unit with nozzle |
| 12/12/2006 | US7148962 Device for determining the position and direction of channel inlets and channel outlets in sewer manholes |
| 12/06/2006 | CN2844254Y Mosquito-repelling gate |
| 12/05/2006 | US7143784 Sanitary fitting |
| 12/05/2006 | US7143781 Flexible bladder apparatus for fluid flow control |
| 11/22/2006 | EP1724032A2 Method and device for monitoring a cleaning installation for vessels |
| 11/08/2006 | EP1718808A1 A sealing device and a method for manufacturing a sealing device |
| 11/08/2006 | CN2835390Y Digging type pipeline dredger |
| 11/08/2006 | CN2835389Y Drainage anti-epidemic valve |
| 11/07/2006 | US7131791 Pipeline rehabilitation systems |
| 11/01/2006 | CN1282807C Drainage ditch cover with closure |
| 10/25/2006 | EP1379998A4 Flow transport analysis method and system |
| 10/24/2006 | US7124769 High rise tower sanitary service system |
| 10/19/2006 | DE102005017441A1 Saug-Spülfahrzeug Suction flushing vehicle |
| 10/18/2006 | EP1712414A2 Gulley cleaning vehicle |
| 10/18/2006 | CN2828175Y Anti-mouse, anti-mosquito gate for sewer sand well |
| 10/12/2006 | WO2006106343A1 Closure valve |
| 10/12/2006 | WO2006105983A2 Shut-off device for a waste-water inspection chamber, comprising a shut-off element with a magnetic lock |
| 10/12/2006 | WO2006105599A1 Water recycling system |
| 10/12/2006 | DE102005014155A1 Sielhautaufwuchskörper Sielhautaufwuchskörper |
| 10/12/2006 | CA2603844A1 Shut-off device for a waste-water inspection chamber, comprising a shut-off element with a magnetic lock |
| 10/11/2006 | CN2825782Y Manipulator cleaner for well |
| 10/05/2006 | DE19833885B4 Verfahren zur Sanierung bzw. Renovierung von Abwasserleitungen und -kanälen A method for restoration or renovation of drains and sewers |
| 10/05/2006 | DE102004048170B4 Kanalinspektionsfahrzeug und Verfahren zur Kanalinspektion Sewer inspection vehicle and method for sewer inspection |
| 09/28/2006 | DE202005013503U1 Conduit locating system with measuring sensor for assessing underground sewer pipes, has camera head that includes front rotating section where measuring sensor is arranged, flexible center section and return section with rotary drive unit |
| 09/21/2006 | DE102005016526B3 Shutting-off device for waste water control shaft has magnetic lock to hold blocking element after outflow in blocking position against inflow aperture |
| 09/20/2006 | CN2818604Y Sewage separator of drain pipeline |
| 09/14/2006 | DE10101876B4 Kamerafahrwagen mit Satellitenkamera Camera trolley with satellite camera |
| 09/13/2006 | CN2816163Y Sand drain port four-prevention device |
| 09/13/2006 | CN1274603C Water taking-out method and automatic scrubbing apparatus by urban sewage low-order heat energy |
| 09/12/2006 | CA2381067C Method and system for the recuperation of septic tank content |
| 08/23/2006 | CN2809056Y Sewage cleaning device |
| 08/23/2006 | CN2809055Y Auxiliary fittings for environmental protection manhole covers |
| 08/23/2006 | CN2809050Y Automatic odour-proof manhole cover |
| 08/22/2006 | US7096128 Process for the assessment of gravity-type collection networks |
| 08/22/2006 | CA2233027C Pipe with electrode and insulating layers |
| 08/15/2006 | US7092004 Method and arrangement for inspecting sewer pipes |
| 08/02/2006 | CN2801913Y Drainage ditch drain gate |
| 08/02/2006 | CN2801907Y Pipe line isolation device and sanitary ware cleaning system installed with said device |
| 08/01/2006 | US7083360 Method for rehabilitating an existing pipe |
| 08/01/2006 | US7082952 Well cleaning system |
| 07/26/2006 | CN2799707Y Mosquito-repelling device of silt basin |
| 07/20/2006 | DE202006005996U1 Flood-prevention hatch for cellar window has float linked to scissor levers |
| 07/20/2006 | DE202006005150U1 Vehicle for cleaning sewers has a high pressure pump having a drive diverted by a cardan shaft using a gearing system mounted in a position in which the exit connecting a universal shaft string lies above the exit connected to the shaft |
| 07/19/2006 | CN1804252A Mosquito-eradicating water grate for urban sewer |
| 07/18/2006 | US7077164 Pipe |
| 07/13/2006 | DE102005009777A1 Rückstauverschluss Backwater valve |
| 07/12/2006 | EP1679407A1 Back flow closure |