| Patents for E03F 9 - Arrangements or fixed installations for cleaning sewer pipes, e.g. by flushing (1,182) |
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| 09/12/2002 | US20020124872 Method and device for washing drain pipe |
| 09/06/2002 | WO2002068134A1 Apparatus for cleaning a conduit interior and method therefor |
| 08/06/2002 | US6428693 Temporary silt guard for sewer inlet |
| 07/31/2002 | EP1227194A2 Sewer tube with partition wall |
| 07/31/2002 | EP1226316A1 Method and device for periodic rinsing of a waste water pipe |
| 07/23/2002 | US6421871 Pipe clearing apparatus |
| 07/16/2002 | US6418947 Scarifier for interior surface of pipeline |
| 07/09/2002 | US6416674 Silt-guard apparatus for use in a detention pond |
| 07/03/2002 | EP1219753A2 Device for the surge flushing for cleaning sewers |
| 07/02/2002 | US6412136 Drain cleaning apparatus |
| 06/18/2002 | CA2246077C Drain cleaning apparatus |
| 05/30/2002 | WO2002042014A1 Drilling head |
| 05/29/2002 | DE10057877A1 Bohrkopf Wellhead |
| 05/21/2002 | US6390118 Apparatus and method for testing plumbing system |
| 05/21/2002 | US6389613 Pressure flush control system |
| 05/15/2002 | CN2491516Y Well digging tool |
| 03/21/2002 | DE10124325A1 Sewage cleaning blocks the flow passage temporarily to cause a build-up for release in a flushing wave to clear out any sediment or deposits especially in dry weather |
| 03/13/2002 | CN1339990A Method and device for washing drain pipe |
| 03/07/2002 | DE10064879C1 Surge rinsing device, for cleaning drainage channel, uses float mechanism for releasing rinsing flap when water level held behind latter reaches given level |
| 03/07/2002 | DE10041021A1 Cleaning process for drain channel involves initially retaining sufficient water on inlet side to produce rapid wave when cross section of channel is filled |
| 02/05/2002 | US6343398 Drain cleaning apparatus with feed control |
| 02/03/2002 | CA2315022A1 Drain cleaner |
| 01/03/2002 | DE10029764A1 Moving trolley and trolley system for operating in sewers and ducting has a trolley core, wheels, a camera arm and/or an operating arm fastening on the trolley core having two longitudinal parts interlinked with two parallel grooves |
| 01/02/2002 | EP0975445B1 Method and device for cleaning piping with a vertical section |
| 12/13/2001 | US20010050094 Method of using a scarifier for interior surface of a pipeline |
| 11/22/2001 | WO2001088292A1 Method and device for controlling effluent and/or for cleaning sewers |
| 11/15/2001 | DE10104065A1 Waste water arrangement has feed bed and devices preventing sedimentation comprising dividing wall, which with low waste water quantities concentrates them on feed bed side |
| 10/17/2001 | CN1073182C Sewer dredger |
| 10/10/2001 | EP1143080A1 Process for cleaning gullies |
| 10/04/2001 | DE10030201C1 Cleaning jet for drains has internal jet bore provided in hose connected to high pressure rinsing line between angled rinsing fluid connection and rinsing fluid discharge side of hose |
| 09/27/2001 | US20010023842 Temporary silt guard for sewer inlet |
| 09/27/2001 | DE10010836A1 Verfahren zur Schwallspülung eines Mischwasserkanals sowie Vorrichtung hierzu Method of rinsing a combined sewer and apparatus therefor |
| 09/26/2001 | CN1314966A Apparatus for flushing in a liquid system |
| 09/12/2001 | EP1132533A2 Method and device for the surge flushing of a combined sewer |
| 09/06/2001 | DE10007141A1 Method to remove obstructions and/or soiling from sewers introduces large gas volume into sewer creating a cavity with water displacement, and impulse-like flow of water into cavity to remove obstruction |
| 08/21/2001 | US6276018 Flexible pipe cleaning device and system |
| 08/16/2001 | WO2001058605A1 Well-cleaning system |
| 08/08/2001 | EP1121988A1 Opening and cleaning apparatus for pipelines |
| 07/17/2001 | US6261445 Temporary silt guard for sewer inlet |
| 06/27/2001 | EP1109977A1 Apparatus for flushing in a liquid system |
| 06/21/2001 | WO2001043892A1 Method and device for washing drain pipe |
| 06/21/2001 | US20010003989 Apparatus for scarifying the interior surface of a pipeline |
| 06/13/2001 | EP1105588A1 Method and system for discharging a waste flow and siphon installation for use therein |
| 06/12/2001 | US6243905 Drain cleaning apparatus |
| 05/29/2001 | US6237177 Vehicular storm drain cleaning apparatus |
| 05/23/2001 | EP1101000A1 Device for rinsing drains |
| 05/23/2001 | EP1100631A1 Spray cleaner for interior surface of pipeline |
| 05/10/2001 | WO2001032997A1 Method and device for periodic rinsing of a waste water pipe |
| 05/03/2001 | WO2001031241A1 Method and apparatus for testing plumbing installations |
| 04/24/2001 | US6220301 Drainage system |
| 03/27/2001 | US6206016 Spray cleaner for interior surface of pipeline |
| 03/27/2001 | CA2283613A1 Water pipeline foreign matter obstruction remover |
| 03/22/2001 | DE19936577A1 Cleaning device for rain overflow tank; has at least one rinsing tank that can be filled with rinsing medium and can be emptied from above tank base into rain overflow tank to clean tank base |
| 03/13/2001 | US6199576 Bi-directional cleanout with backflow preventer |
| 02/13/2001 | US6187105 Method of removing deposits from a conduit wall |
| 02/08/2001 | DE10022874A1 Vehicle for freeing and removing by suction deposits from road gullies |
| 02/06/2001 | US6182676 Protector for sewer cleaning hose |
| 01/23/2001 | US6176644 Pipe rehabilitation test mandrel |
| 01/22/2001 | CA2278385A1 A manually cranking/electrical pipe cleaner |
| 01/18/2001 | DE19930346A1 Sewer rinser; has flood chamber connected to collecting chamber and having blocking organ to close ventilation opening, connected to floats in collecting and flood chambers |
| 01/17/2001 | EP1068407A1 Method and device for cleaning sewers continuously |
| 12/19/2000 | US6161563 Plumbing tool |
| 12/12/2000 | US6158076 Feed control devices for hand operated drain cleaning tools |
| 12/06/2000 | EP0840828B1 Waste water disposal process |
| 12/06/2000 | CN2409255Y Universal pipe cleaning machine |
| 10/31/2000 | US6138697 Hydrodynamic apparatus for cleaning channels and for monitoring channels |
| 10/31/2000 | CA2097091C High pressure water jet cleaner and coating applicator |
| 10/10/2000 | US6128799 Conduit interior smoothing device |
| 10/04/2000 | EP1041207A2 Drain cleaning apparatus |
| 09/14/2000 | DE19909377A1 Method for cutting and clearing blockages in accessible or non-accessible pipelines uses abrasive water jet pumped through nozzle at minimum pressure of 100 bar |
| 09/05/2000 | US6113005 Water pipeline foreign matter obstruction remover |
| 08/30/2000 | EP1031667A2 Flow system |
| 08/30/2000 | EP1031666A2 Feed control devices for hand operated drain cleaning tools |
| 08/24/2000 | DE19907583A1 Abflusssystem Drainage system |
| 08/10/2000 | WO2000046455A1 Device for extending torsion- or bending sleeves in a pulse discharger |
| 06/20/2000 | US6076547 Device for operating a mechanism of a rinsing fixture |
| 06/20/2000 | US6076219 Waste line clean out apparatus |
| 06/14/2000 | CN1256648A Method and device for cleaning piping with vertical sectio |
| 05/31/2000 | CN2380313Y Pressure sucker fitted with one-way air-admittance valve |
| 05/09/2000 | US6058547 Device for removing objects from enclosed areas |
| 04/27/2000 | DE19947293A1 Nozzle component for cleaning equipment used to clear channels and pipes has shaft driven by feed water-propelled turbine and with at least one unbalanced weight |
| 04/27/2000 | DE19843497A1 Tool unit for ducting cleaning robot e.g. for removing grease, has brush elements mounted on rotary carrier for moving outwards into contact with ducting wall under centrifugal force |
| 04/26/2000 | EP0830236B1 Method of removing explosives adhering to a surface |
| 04/25/2000 | US6053187 Self cleaning pipe system |
| 04/13/2000 | DE19858586C1 Pipe section, for waste water line, includes angled cleansing connections with disc and cleansing member |
| 04/12/2000 | EP0992635A1 Equipment for suction and high pressure cleaning optimised by a logic unit |
| 04/05/2000 | EP0990741A2 Device for cleaning a pipeline, in particular a drain |
| 03/23/2000 | DE19841813A1 Pipeline cleaner appliance has coupling actuator lever, which can be moved between two lever couplings dependent upon conditions |
| 03/16/2000 | WO2000014347A1 Apparatus for flushing in a liquid system |
| 03/16/2000 | DE19840317A1 Pipe cleaning machine with spiral guide tube has cleaning spiral with clamp unit of automatically locking clamp roller |
| 03/16/2000 | CA2341448A1 Apparatus for flushing in a liquid system |
| 02/23/2000 | EP0980721A1 Mobile device for cleaning constructions for the transport of fluids, in particular sewers |
| 02/17/2000 | WO2000008267A1 Method and system for discharging a waste flow and siphon installation for use therein |
| 02/17/2000 | DE19919571A1 Kanalspüler Sewer |
| 02/10/2000 | WO2000006844A1 Device for rinsing drains |
| 02/10/2000 | WO2000006312A1 Spray cleaner for interior surface of pipeline |
| 02/09/2000 | CN2362915Y Safety automatic protection staircase-climbing trolley type pipe stop-removing machine |
| 02/02/2000 | EP0975445A1 Method and device for cleaning piping with a vertical section |
| 01/26/2000 | CN1242265A Drain cleaning apparatus |
| 01/11/2000 | US6013138 Method for cleaning a pipe with a vehicle |