| Patents for E03F 9 - Arrangements or fixed installations for cleaning sewer pipes, e.g. by flushing (1,182) |
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| 05/12/2005 | US20050097689 Culvert cleaning tool and method |
| 05/11/2005 | EP1529889A1 Method of cleaning a canalisation |
| 05/04/2005 | EP1528222A1 Process to prevent the formation of scale deposits in tunnel drainage systems |
| 05/03/2005 | US6886867 Drain hose flush system |
| 04/13/2005 | EP1522743A1 Connector for pipe snake rods |
| 04/07/2005 | US20050072080 Cleanout with drainage capabilities |
| 03/02/2005 | CN2682120Y Sludge digging vehicle for sewer pipeline |
| 02/24/2005 | WO2005016692A2 Apparatus and method for inspecting sewer lines using small mobile vehicles |
| 02/17/2005 | US20050035142 Method and apparatus for pulling hose |
| 02/10/2005 | DE102004027216A1 Manhole shaft, has sewer pipe connection containing cleaning opening and guide plates for cleaning hoses |
| 01/13/2005 | WO2005003611A2 Method and apparatus for pulling hose |
| 01/06/2005 | US20050000546 Apparatus and method for inspecting sewer lines using small mobile vehicles |
| 01/05/2005 | DE10227204B4 Verfahren zum Reinigen von Rohrleitungen und Rohrreinigungsmaschine hierfür A method of cleaning pipes and pipe cleaning machine for this purpose |
| 12/30/2004 | US20040261822 Method and device for washing drain pipe |
| 12/29/2004 | CN1181933C Sewer cleaning and dredging apparatus |
| 12/23/2004 | US20040255415 Cable feeding device |
| 12/08/2004 | CN2661796Y Clip for catch basin decontamination |
| 11/25/2004 | DE202004011000U1 Cleaning device for e.g. rainwater run=off equalizing tanks in sewers, rotated using force of liquid flowing through spray pipe |
| 11/25/2004 | DE10319834A1 Cleaning method for pressure-free sewerage, by locking off back pressure of water from sewerage operating opposite the flow of sewage |
| 11/10/2004 | EP1475484A2 Device for the surge flushing of sewers |
| 11/10/2004 | CN2654716Y Pipeline dredge sewage suction apparatus |
| 11/03/2004 | EP1353765B1 Drilling head |
| 10/07/2004 | DE202004011107U1 Assembly for the separation of water from drilling mud has two drum filters on a horizontal powered shaft, within each other, with inner water jet lances and outer scrapers for cleaning |
| 09/21/2004 | US6792820 Method and accessories for pipe replacement |
| 09/09/2004 | DE10324406A1 Drain system for bath has additional hose integrally attached to one side with hydraulically operated seal to flush and clean drain system |
| 09/09/2004 | DE10029764B4 Fahrwagen Trolley |
| 09/08/2004 | EP1261438A4 Well-cleaning system |
| 09/02/2004 | DE202004009218U1 Drive wheel for high pressure cleaning hose has a pulley wheel-like double flange profile interface to high pressure hose with helical outer profile |
| 09/02/2004 | DE202004009217U1 Tanker truck for cleaning public drains has top-mounted hose storage reel with guide arm position maintained by pneumatic cylinder |
| 08/10/2004 | US6772774 Method and device for washing drain pipe |
| 07/15/2004 | DE10260693A1 Cleaning and flushing system for gullies and drains, has a water jet held at the gully with a coupling to a water supply to clear surface water and flush it in the flow direction |
| 07/08/2004 | DE202004002997U1 System for clearing sediment in underground pipes has a flexible pipe section lifted y a counterbalanced pulley to build up a back pressure for periodic release |
| 06/24/2004 | WO2004052565A1 Pipe-cleaning device |
| 06/24/2004 | DE4230700B4 Verfahren zum Reinigen von geschlossenen Ableitungskanälen A method for cleaning a closed drainage channels |
| 06/24/2004 | CA2509592A1 Pipe-cleaning device |
| 06/10/2004 | WO2004048010A1 Scarifying apparatus for interior surface of pipeline |
| 06/10/2004 | WO2004048009A1 Pipe scarifier |
| 06/03/2004 | DE10320308B3 Rinsing device for an effluent channel has a lifting body attached to lifting arms in the region between both ends of a parallel lifting device |
| 05/27/2004 | US20040099293 Pipe scarifier |
| 05/27/2004 | US20040099288 Frames having structural beams supporting nozzles, used for maintenance of sewage conduits |
| 05/13/2004 | US20040089734 Vehicle engine powered high pressure water sewer clearing apparatus and method |
| 05/06/2004 | US20040084221 Drilling head |
| 05/06/2004 | DE202004002042U1 Method for clearing underground drainage duct with remote control seals at the bottom of a vertical shaft to provide a head of water to flush into the duct |
| 04/29/2004 | WO2004035949A1 Extraction head |
| 04/15/2004 | WO2004031639A1 Means for removal of flow obstructions in pipes provided with rinse ports covered by sealing membranes through which rinsing means can be inserted |
| 03/31/2004 | CN1485508A Apparatus for cleaning-out deposited sludge in fluid pool |
| 03/25/2004 | DE10321425A1 Pipe cleaning device has axial component of nozzle orientation orientated towards hose connection and effects jet outlet inducing advance of cleaning device in drain |
| 03/25/2004 | DE10301426A1 Cleaning water surge generation method for use in a sewerage network in dry weather, whereby a drainage device with a controllable shut-off is used to collect a predetermined water quantity before releasing it into the network |
| 03/09/2004 | US6702939 Sewer cleaning tool |
| 02/12/2004 | US20040025912 Scarifier for the interior surface of a pipeline |
| 02/05/2004 | US20040020270 Method and arrangement for inspecting sewer pipes |
| 01/15/2004 | DE10227204A1 Verfahren zum Reinigen von Rohrleitungen und Rohrreinigungsmaschine hierfür A method of cleaning pipes and pipe cleaning machine for this purpose |
| 01/02/2004 | EP1375763A1 Cleaning process for pipes and associated cleaning device |
| 12/02/2003 | US6655402 System and method for vacuum flushing sewer solids |
| 12/02/2003 | US6655228 Dual directional power feed |
| 11/27/2003 | WO2003097260A1 Interior sewer pipeline scarifying apparatus |
| 11/20/2003 | WO2003095754A1 Conduit cleaning means |
| 11/20/2003 | US20030213509 Interior sewer pipeline scarifying apparatus |
| 11/20/2003 | US20030213508 Interior sewer pipeline scarifying apparatus |
| 11/14/2003 | CA2386330A1 Interior sewer pipeline scarifying apparatus |
| 11/12/2003 | EP1361001A2 Method and arrangement for inspecting sewer pipes |
| 11/11/2003 | US6644325 Nozzle for discharging fluid under pressure; rotation, oscillation |
| 11/11/2003 | CA2275793C Testing of plumbing installations and plumbing tool |
| 11/06/2003 | CA2427955A1 Method and arrangement for inspecting sewer pipes |
| 11/03/2003 | CA2427093A1 Drain hose flush system |
| 10/22/2003 | EP1353765A1 Drilling head |
| 10/02/2003 | US20030182754 Sheath for integrating sewer hose and TV cable |
| 09/27/2003 | CA2423715A1 Sheath for integrating sewer hose and tv cable |
| 09/18/2003 | US20030172487 Sewer cleaning tool |
| 09/09/2003 | US6615436 Powered drain cleaner |
| 09/09/2003 | CA2228868C Feed control device for plumbing tools |
| 08/28/2003 | DE20307249U1 High pressure flushing device has nozzle head with rearwards pointing water outlet nozzles, and toroidal pressure chamber with centrally located water flow dividing cone and rearwards pointing jet nozzles with different angles |
| 08/28/2003 | DE20307247U1 High pressure rinsing device for pipes with backwards facing water jet nozzles, has nozzles leading off toroidal pressure region around central cone |
| 08/28/2003 | DE20307246U1 High pressure flushing device has nozzle head with rearwards pointing water outlet nozzles, and toroidal pressure chamber with centrally located water flow dividing cone and rearwards pointing jet nozzles with different angles |
| 07/23/2003 | EP1101000B1 Device for rinsing drains |
| 07/22/2003 | US6594849 Plumbing device |
| 06/18/2003 | EP1320078A2 Method for recording time, location and use of a working machine |
| 05/20/2003 | US6564823 Method and apparatus for testing plumbing installations |
| 04/24/2003 | DE20220191U1 Device for cleaning waste water pipes is a hollow body which by means of an air hose is inflatable and deflatable, and is driven on a rope by water head pressure |
| 04/22/2003 | US6550486 Moving vehicle through pipe to scarify first swath of interior surface of pipe, wherein fluid nozzle assembly is then repositioned and vehicle is moved through pipe to scarify second swath of interior surface of pipe |
| 02/25/2003 | US6523554 A passive sewer cleaning apparatus for providing for removal of debris from a conventional sewer conduit from a remote location, said apparatus comprising: a sewer nozzle in communication with a fluid discharge type sewer cleaner, |
| 02/20/2003 | DE20215915U1 Double-sided horizontal pipe shaft with a lower and upper rinsing tube guide on both sides for drainage pipes comprises an angular or round pipe bend or a straight pipe consisting of a pipe bend having a guide line on its surface |
| 02/18/2003 | CA2280343C Feed control devices for hand operated drain cleaning tools |
| 02/12/2003 | EP1282747A1 Method and device for controlling effluent and/or for cleaning sewers |
| 01/29/2003 | EP1279774A1 Method for managing cascade waves in sewer networks |
| 01/21/2003 | US6508261 Tubular line kiting system |
| 01/01/2003 | CN1097665C Flushing equipment in a liquid system |
| 12/17/2002 | US6494437 Boom mounted winch |
| 12/05/2002 | DE10160371A1 Method of cleaning pipelines involves inserting bags of flushing fluid bags into pipe for cleaning by release of flushing fluid |
| 12/04/2002 | EP1261438A1 Well-cleaning system |
| 12/04/2002 | EP0853164B1 Sewage by-pass discharging apparatus for sewage pipe works |
| 11/27/2002 | CN1095055C Feeding controller for pipeline engineering equipment |
| 11/14/2002 | DE19930346C2 Kanalspüler Sewer |
| 11/07/2002 | US20020162406 Method and accessories for pipe replacement |
| 10/31/2002 | DE10119882A1 Vehicle for cleaning/inspecting sewerage systems and collecting/transporting silt/wet waste matter has a global positioning satellite system for detecting the vehicle's position and processing/evaluating positioning data |
| 10/29/2002 | US6470525 Drain cleaning apparatus having remote power feed |
| 10/17/2002 | DE10057877C2 Bohrkopf Wellhead |
| 10/09/2002 | EP1068407B1 Method and device for cleaning sewers continuously |
| 10/02/2002 | DE10113411A1 Shaft usable for more than a single purpose is made of a variety of materials, and can have a variety of shapes and sizes |
| 09/17/2002 | US6449781 Apparatus for flushing in a liquid system |