| Patents for E03F 3 - Sewer pipe-line systems (3,593) |
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| 05/28/2009 | US20090133771 Method and Apparatus for Making Plastic Drainage Pipe Reinforced By Steel Strips and the Plastic Drainage Pipe Reinforced By Steel |
| 05/28/2009 | DE202008000821U1 Kunststoffrohr zur Sanierung von Abwasserleitungen Plastic pipe for sewer rehabilitation |
| 05/20/2009 | DE102007052915A1 Vorrichtung zum Aushärten von Kunststofflinern zur Kanalsanierung Apparatus for curing plastic liners for sewer rehabilitation |
| 05/14/2009 | US20090123234 Systems and Methods for Pipe Replacement |
| 05/13/2009 | CN201236382Y Novel drainpipe |
| 05/07/2009 | WO2009056312A2 Pipe-lining system |
| 05/06/2009 | EP2054558A1 Drainage device |
| 04/30/2009 | WO2009052850A1 Process for lining a pipeline or a duct |
| 04/29/2009 | EP1399627B1 Drainage channel base, especially from polymer concrete |
| 04/14/2009 | CA2493976C Apparatus and method for providing access to buried pipeline |
| 04/08/2009 | CN101402759A Modified polythene tube for buried pollution discharge |
| 04/02/2009 | DE202007016602U1 Kanalsystem mit Prüfvorrichtung Channel system with tester |
| 03/26/2009 | DE102007043647A1 Verfahren und System zum überwachten Verlegen von Leitungen Method and system for supervised lay lines |
| 03/25/2009 | EP2039971A2 Method and device for monitored laying of pipes |
| 03/24/2009 | US7506844 Drainage channel installation device |
| 03/12/2009 | DE102007042671A1 Sewer arrangement for recycling heat energy from e.g. industrial waste water, has retaining device arranged in flow direction of waste water within sewer, after heat exchanger, and comprising sensor e.g. ultrasonic sensor |
| 03/11/2009 | CN201206249Y Cross structure of water supply and drainage pipeline and cable duct |
| 03/05/2009 | DE102007061802B3 Kanalsystem zum Aufnehmen von Stromkabeln Channel system for receiving power cables |
| 02/26/2009 | WO2009024255A1 Drainage channel |
| 02/26/2009 | WO2009005244A3 Method for burying hume pipes and support block used in the method |
| 02/26/2009 | DE202008015603U1 Verlegegerät für Rohre Laying machine for pipes |
| 02/26/2009 | DE202008014421U1 Rohrverlegegerät Pipe laying machine |
| 02/19/2009 | DE102007038196A1 Verfahren zum Sanieren von Abzweigleitungen in Kanalrohren Method for remediating of branch lines in sewer pipes |
| 02/17/2009 | US7490630 Pipe system |
| 02/12/2009 | WO2009020427A1 Drain |
| 02/05/2009 | US20090032450 High Performance Sewer System |
| 02/05/2009 | DE102008004233A1 Verfahren zur Lokalisierung und Sanierung von Schäden an Ver- und Entsorgungsleitungen einschließlich des umlagernden Baugrundes A method of locating and remedying of damage to supply and sewage lines, including rearranging subsoil |
| 02/04/2009 | CN100458031C City rainwater osmotic sewerage installation |
| 01/28/2009 | CN201187096Y End plugging device of heavy caliber drainpipe |
| 01/28/2009 | CN201187095Y Heavy caliber steel plastic drainpipe |
| 01/21/2009 | CN101349371A Connection structure of metal-resin composite pipe for use in the connection structure |
| 01/21/2009 | CN101347787A System for collecting and processing urban and industrial waste gas |
| 01/15/2009 | DE102007031084A1 Sewage pipe, has slots attached at top forming open connection to interior of sewage pipe for piping system of heat exchange medium, where insulation is attached at top of sewage pipe |
| 01/08/2009 | WO2009005244A2 Method for burying hume pipes and support block used in the method |
| 01/08/2009 | DE102005013319B4 Anlage zum Regulieren von Hochwasser in Bergregionen System for regulating flood in mountain regions |
| 12/30/2008 | US7470085 Tightly peaked ditch liner system |
| 12/18/2008 | US20080308476 Aesthetic conduit end cap structure having concealed anchor attachments |
| 12/17/2008 | EP2003257A2 System for disposal of waste water |
| 12/17/2008 | CN201165702Y Drainage net ditch pipe |
| 12/17/2008 | CN100443795C Segment for rehabilitating pipe assembly |
| 12/17/2008 | CN100443678C Ventilating cover |
| 12/11/2008 | US20080304908 Gutter Block Structure, Water Channel Formed by Gutter Block Structures, and Method of Manufacturing Gutter Block Structure |
| 12/11/2008 | DE102004022172B4 Gestelzter, stehender Spülschacht zur Entschlammung des äusseren Dränagebereichs Stilted, standing culvert for desludging of the outer Dränagebereichs |
| 12/10/2008 | CN201162241Y Water collection and drainage pipe |
| 12/04/2008 | US20080295903 Urban and Rural Integrated Conduit System For Sewage Discharging and Reclaiming |
| 12/02/2008 | US7458745 Drainage channel |
| 11/26/2008 | CN201155144Y Combination type water ditch base structure |
| 11/20/2008 | DE102008013013A1 Tubular profile for the production of pipes and hollow bodies is fitted with an external heat exchange spiral for extracting heat from heat sinks and water flows |
| 11/13/2008 | US20080279635 Side loading conduit spacer |
| 11/05/2008 | CN201144457Y Novel drainpipe |
| 11/05/2008 | CN101300392A 高性能下水道系统 High Performance sewer system |
| 10/29/2008 | CN100429360C Water flow separate discharge method for urban pipeline network with river, rain and sewage mixed flow |
| 10/23/2008 | DE102008019799A1 Tubular construction element for pipelines, shafts, mold parts etc. has flow resistance improver in contact joint |
| 10/22/2008 | CN201137210Y Heavy caliber steel-plastic drainpipe |
| 10/22/2008 | CN201137209Y Underground drainage device |
| 10/14/2008 | CA2488070C Latch for leaching chamber |
| 10/08/2008 | CN201129551Y Built-in type antiseep PVC water drain casing tube |
| 10/08/2008 | CN100424281C Linear contacting water-collecting device |
| 10/02/2008 | WO2008118099A1 Junction device, system and method for fluid drainage |
| 09/30/2008 | CA2629357A1 Subsurface drip disposal system |
| 09/28/2008 | CA2627257A1 Electric heating apparatus and pipe lining method using same |
| 09/25/2008 | WO2008113604A1 Tubular hollow profile and the use thereof |
| 09/25/2008 | US20080232900 Water Collecting Structure and Drainage Structure Using the Same |
| 09/25/2008 | DE10200616B4 Substrat zur Behandlung von Oberflächenwasser und dessen Verwendung Substrate for the treatment of surface water and its use |
| 09/18/2008 | DE102007013296A1 Anordnung und Verfahren zur Rückgewinnung von Wärmeenergie aus Abwässern Apparatus and method for recovering heat energy from wastewater |
| 09/17/2008 | EP1970660A2 Assembly and method for recovery of heat energy from waste water |
| 09/16/2008 | CA2338655C Plastic panel, in particular for lining concrete components |
| 09/09/2008 | CA2492413C Septic tank drain field pipe manifold system and method of use |
| 09/04/2008 | DE202008006668U1 Verbauaufnahmevorrichtung zur Anbringung einer Ausschubsicherung an einer pneumatischen Absperreinrichtung Verbauaufnahmevorrichtung for mounting a Ausschubsicherung on a pneumatic shut-off |
| 09/03/2008 | EP1540221B1 Method for curing a thermocurable matrix |
| 08/27/2008 | CN101250901A Odorless street drainage device |
| 08/27/2008 | CN101250900A Odorless street drainage device |
| 08/21/2008 | DE202007005696U1 Rohrförmiges Bauelement zur Herstellung von Leitungen, Schächten, Formstücken u.dgl. A tubular device for the production of pipes, ducts, fittings, etc.. |
| 08/20/2008 | CN201103163Y Improved gathering machine for underground pipe line |
| 08/06/2008 | CN201095805Y Leakage-proof drainage pipeline |
| 07/31/2008 | WO2008090392A1 Crossings, especially home driveway crossings |
| 07/30/2008 | CA2578642A1 Grey water heat recovery system |
| 07/29/2008 | CA2438383C Storm water reservoir with low drag |
| 07/23/2008 | EP1946029A1 Heat exchanger for utilising the heat from waste water |
| 07/23/2008 | CN201089974Y Large caliber spiral steel plastic drain |
| 07/16/2008 | CN201087478Y Self-adaptive sewage draining exit regulating device entering water body |
| 07/10/2008 | WO2008055561A3 Gutter |
| 07/10/2008 | DE202008004685U1 Injektionspacker für die Rohr- und Kanalsanierung Injection packers for pipe and sewer rehabilitation |
| 07/09/2008 | CN201081911Y Using facilities of septic tank sewage |
| 07/02/2008 | EP1939368A2 Method for making a drainage unit |
| 07/02/2008 | EP1939367A2 Drainage unit |
| 07/02/2008 | CN101210634A Combined pipeline |
| 07/02/2008 | CN101210441A Glass reinforced plastic sewer pipe |
| 07/02/2008 | CN101210440A Thermal insulation glass reinforced plastic sewer pipe |
| 06/26/2008 | WO2008075406A1 Conduit repair structure |
| 06/26/2008 | WO2008019804A8 Drainage device |
| 06/26/2008 | CA2673225A1 Conduit repair structure |
| 06/25/2008 | CN201078026Y High pressure resistant cement pipe |
| 06/18/2008 | CN201074379Y Anti-creeping device for building exterior wall pipe |
| 06/11/2008 | CN201071545Y Porous diffusion machine with circular obstacle disc |
| 06/11/2008 | CN201071544Y Porous diffusion machine with sawtooth nozzle |
| 06/10/2008 | US7384213 Apparatus and method for constructing a curvilinear structure in an excavation |
| 06/05/2008 | WO2008064420A1 Sanitary water conservation device |
| 06/05/2008 | DE102006056146A1 Cleaning pipe for fitting into pipe, has maintenance pit with multiple circulating seal collars, which are held detachably in seal seats for fluid seal connection of maintenance pit at base plate |
| 06/04/2008 | CN201068597Y Environment-friendly concrete drain tube |