| Patents for E03F 3 - Sewer pipe-line systems (3,593) |
|---|
| 11/07/2002 | WO2001061236A9 Method and apparatus for curing liners in large diameter pipe |
| 11/07/2002 | US20020163189 Sewage pipe connector for intercepting bad smell |
| 11/07/2002 | US20020162406 Method and accessories for pipe replacement |
| 11/05/2002 | US6474357 Vacuum sewer system |
| 10/30/2002 | CN2518940Y Leak-proof water drain jacket |
| 10/30/2002 | CN2518939Y Improved T-shape tube |
| 10/30/2002 | CN2518938Y Device for preventing drainage pipeline from overflowing |
| 10/23/2002 | CN1375392A Holed pipe and its producing apparatus and method |
| 10/16/2002 | CN2516626Y Composite PVC drain-pipe assembly |
| 10/09/2002 | EP1247913A2 Plastics channel systems |
| 10/09/2002 | EP1247912A2 Channel sections |
| 10/09/2002 | CN2515303Y Drain stopper |
| 10/09/2002 | CN2515302Y Sewage discharge off odour isolating device |
| 10/09/2002 | CN2515301Y External set multi purpose water lock |
| 10/08/2002 | US6460896 Sewer pipe coupling |
| 10/08/2002 | US6460574 Sewer pipe structures and their method of construction |
| 10/02/2002 | CN1372050A Ecologicla environment protection system for urban community |
| 10/01/2002 | CA2290550C Conduit pump system to increase water flow capacity |
| 09/25/2002 | CN2512841Y Mounting and seam filling self control support inner mold for concrete flat joint mouth pipe |
| 09/25/2002 | CN2512840Y New steel bar reinforced concrete pipe |
| 09/19/2002 | WO2002073081A1 Sealing methods |
| 09/18/2002 | CN1369601A Flushing toilet |
| 09/12/2002 | US20020124899 Porous pipe and apparatus and method of producing the same |
| 09/05/2002 | DE10109159A1 Entwässerungsrinne Drainage channel |
| 09/04/2002 | EP0904465B1 Composite concrete metal encased stiffeners for metal plate arch-type structures |
| 09/04/2002 | CN1090271C 真空阀控制器 Vacuum valve controller |
| 09/04/2002 | CN1090270C Water flushing closet |
| 08/28/2002 | EP1234913A2 Drainage channel |
| 08/27/2002 | US6439580 Sealing element for pipelines |
| 08/14/2002 | CN2505535Y Anti-stopping, deodorizing and leakproof sewer pipe-line |
| 08/07/2002 | CN2504252Y Lab sewage purifier |
| 07/31/2002 | EP1227194A2 Sewer tube with partition wall |
| 07/24/2002 | CN2501917Y Pipe collar for water supply and drain-pipe |
| 07/18/2002 | WO2002055915A2 Lining of pipes |
| 07/18/2002 | CA2434008A1 Lining of pipes |
| 07/17/2002 | CN1359455A Multi-purpose underground utility conduit system |
| 07/10/2002 | CN2499457Y Ribbed pipe |
| 06/19/2002 | CN2495707Y Hydraulic machine for assembling or disassembling pipeline |
| 06/19/2002 | CN2495706Y Assembling type prefabricated steel bar reinforced concrete sewer |
| 06/08/2002 | CA2328018A1 Method and system for replacing a damaged section of a channel to which an inserted part has previously been affixed |
| 06/06/2002 | US20020067954 Device and method for trenchless replacement of underground pipe |
| 05/30/2002 | US20020064426 Composite concrete metal encased stiffeners for metal plate arch-type structures |
| 05/29/2002 | CN2493676Y Sewage check valve |
| 05/29/2002 | CN1351536A Adhesive method for spiral pipe |
| 05/23/2002 | WO2002040910A1 Sewer pipe coupling |
| 05/22/2002 | EP1206604A1 Sewer system and parts therefor |
| 05/22/2002 | CN2492625Y Sewer pipe |
| 05/22/2002 | CN2492624Y Four-in-one toilet pipe fitting |
| 05/16/2002 | US20020057945 Modular trench drain system |
| 05/15/2002 | CN2491513Y Reinforced concrete drain pipe with flexible port |
| 05/08/2002 | EP0776439B1 Process for internally coating hollow bodies |
| 05/08/2002 | DE10148986A1 Seal for plug and socket connection between two concrete pipes comprises sealing ring fitted with solid or hollow rolling ring which assists fitting, but is torn off when pipes are connected |
| 05/08/2002 | CN2490240Y Sewage pipe with anti-stop inspection mouth |
| 05/02/2002 | WO2001068997A3 Method and apparatus for lining manholes |
| 05/01/2002 | CN2488997Y Composite pipe for water supply and drain |
| 04/25/2002 | US20020046771 Vacuum sewer system |
| 04/24/2002 | CN2487799Y Built-in sewer pipe-line |
| 04/17/2002 | CN2486631Y Socket type concrete water pipe |
| 04/11/2002 | DE10048725A1 Sewer with dry weather channel constructed of pre-fabricated modular concrete components placed on sewer bed, with cement mortar between bed and modules |
| 04/04/2002 | DE10049101C1 Mobile sealant hardening device, for drainage water conduit, has electrical network stage and magnetron mounted on wheeled chassis fed through conduit |
| 04/03/2002 | EP1193353A2 Sewer with a dry weather channel and method for its making |
| 03/21/2002 | WO2002022973A1 Drain element comprising interlocking linking means |
| 03/20/2002 | CN2482577Y Anti-overflowing sewer |
| 03/20/2002 | CN2482576Y Double-layer plastic drain-pipe |
| 03/20/2002 | CN2482575Y Butt-mouthing cast-iron sewer series |
| 03/13/2002 | CN2481778Y Sewer antiplugging screen |
| 03/12/2002 | US6354330 Lining of pipelines with a flexible lining including a heat curable resin by curling in stages |
| 02/27/2002 | CN1337506A Vacuum dirt-discharging system |
| 02/21/2002 | WO2001061236A3 Method and apparatus for curing liners in large diameter pipe |
| 02/13/2002 | EP1179643A2 Vacuum sewer system |
| 02/13/2002 | CN2476592Y Elbow joint and its sewer pipe fitting |
| 02/07/2002 | CA2352596A1 Vacuum sewer system |
| 01/31/2002 | DE10035366A1 Renovation method for lining sewer, by feeding UV curable inflatable lining into sewer section via two access shafts using towing cable and winding device |
| 01/30/2002 | EP1176262A1 System for mounting and fixing a drainage channel |
| 01/16/2002 | EP1171666A1 Conduit element, method for making same and assembly component |
| 01/16/2002 | CN2471860Y Spiral silencer with hydrophilic inner wall |
| 01/09/2002 | EP1170428A1 Drainage channel configured as gutter profile |
| 01/09/2002 | EP1169595A1 Multi-purpose underground utility conduit system |
| 01/02/2002 | EP1167644A2 Support for spigot-socket pipes and method for producing pipelines, especially sewerage pipelines, using spigot-socket pipes |
| 01/02/2002 | EP1165905A1 Synthetic panel, especially for lining concrete building components |
| 01/02/2002 | CN2469082Y Water closet bowl with screwed water supply pipe joint |
| 01/02/2002 | CN2469081Y Means for clamping plastic sewer pipe |
| 01/02/2002 | CN2469080Y Screw connected sewer pipeline system |
| 12/11/2001 | US6328310 Method of preventing water leakage with waterproof seal |
| 12/05/2001 | EP0813666B1 Hat-shaped connection sleeve for house service connections in sewer pipes |
| 12/04/2001 | CA2193760C Trench drain |
| 12/04/2001 | CA2036748C Appliance for preventing water from leaking through joint |
| 11/29/2001 | WO2001090496A1 A connector for connecting end portions of double wall drain pipes |
| 11/29/2001 | DE10025638A1 Variable stone design uses asymmetric concrete stone shape to give loadbearing catenary join in low-weight format adapting to site. |
| 11/29/2001 | DE10022603A1 Supply and disposal pipe system between buildings and e.g. sewage system consists of concrete jacket tub containing various supply pipes and sewage/waste water pipes |
| 11/28/2001 | CN1075582C Vacuum generator with ejector device |
| 11/22/2001 | WO2001088289A1 Weir section, a sewer pipe structure including such a weir section and their method of construction |
| 11/22/2001 | US20010043839 Method of laying data cables and the like in underground pipes and pipe-cable combinations |
| 11/22/2001 | US20010043837 Device for laying a cable or a protective sheathing |
| 11/22/2001 | US20010042568 Sewer pipe structures and their method of construction |
| 11/20/2001 | CA2219642C Method and apparatus for removal of utility line and replacement with polyolefin pipe |
| 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 |
| 11/14/2001 | EP0870151B1 Apparatus for removal of utility line and replacement with polyolefin pipe |
| 11/14/2001 | CN2459374Y Flexible fastening ring for prestressed concrete water pipe |
| 10/31/2001 | CN2457246Y Water drainage device capable of preventing waste water from overflow and automatically dreging it |