| Patents for E03F 3 - Sewer pipe-line systems (3,593) |
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| 04/26/2006 | CN1763323A Drainage pipe construction method, drainage pipe structure, building with drainage pipe structure |
| 04/26/2006 | CN1763322A Ventilating cover |
| 04/19/2006 | EP1647640A1 Sewer pipe, particularly driving pipe, and method of manufacturing the same |
| 04/19/2006 | CN2773444Y Reinforced-spinning corrugated pipe |
| 04/06/2006 | DE10353442B4 Vorrichtung zum platzsparenden grabenlosen Einziehen von Vortriebskörpern mittels eines flexiblen Zugmittels Apparatus for space-saving grave without retraction of propulsion bodies by means of a flexible traction |
| 04/04/2006 | US7021671 Septic tank drain field pipe manifold system and method of use |
| 04/04/2006 | US7021338 Separated sanitary and storm sewer system |
| 03/30/2006 | DE102004046964B3 Device for production of traverses useful for cable line construction and/or insertion of dewatering structures under traffic routes has traverse tube consisting of upper and lower shells (sic) |
| 03/29/2006 | EP1639289A2 Bladder system for conduit expansion |
| 03/28/2006 | US7018577 Panel liner and method of making same |
| 03/28/2006 | US7017613 Segment for rehabilitating pipe assembly |
| 03/23/2006 | DE10319834B4 Vorrichtung zur Sanierung von Einsteigeschächten Apparatus for rehabilitation of manholes |
| 03/09/2006 | DE202006000203U1 Glass fiber reinforced plastic construction part for a pit or pipe structure has layer of glass fiber reinforced resin between gel coat layer and laminated knitted fiber |
| 03/08/2006 | EP1632614A1 Underground pipe system |
| 03/08/2006 | CN2763664Y High-strength reinforced cement pipe |
| 03/02/2006 | DE102004041535A1 Verfahren zum Sanieren von unter einer Strasse verlegten Zu- und Ableitungen Method for remediating laid under a street inlets and outlets |
| 03/01/2006 | EP1630464A2 Method for the rehabilitation of supply and drain pipes under streets |
| 03/01/2006 | CN2761722Y Penetration type city rainwater drainage installation |
| 02/28/2006 | US7004681 Method and apparatus for routing cable in existing pipelines |
| 02/22/2006 | CN1737297A Perforated pipe device used for toilet and kitchen |
| 02/21/2006 | US7000643 for use in connection with a conduit expansion process, where a liner conduit is positioned within a host conduit, and where the liner conduit is expanded within the host conduit and pressed against an inside wall of the host conduit. |
| 02/21/2006 | US7000642 comprises a form having an exterior surface adapted to position the sheet of pipe liner adjacent the inner walls of the pipe, wherein the exterior surface substantially conforms to the contours of the inner walls |
| 02/16/2006 | US20060034667 Drain sealing |
| 02/15/2006 | CN2758348Y Easy inspection type water storage bend |
| 02/09/2006 | WO2006012855A1 Method for producing an infrastructure channel |
| 02/09/2006 | DE102004032356A1 System for working in underground pipes using a compact servo driven flexible thrust chain at angles to the pipe from inside an inspection shaft |
| 02/07/2006 | CA2214914C Method of connecting conduits |
| 02/02/2006 | DE19731585B4 Kunststoffrinne Plastic tray |
| 02/02/2006 | DE102004032397A1 Weldable synthetic plastic schaft junction box (sic) useful in waste water treatment technology has stained (sic) heated wire and/or heating coil on shaft inner wall for reception of synthetic plastic tube |
| 02/01/2006 | CN2755200Y Steel plastic composite winding pipe with plastic coated reinforced bar and plastic strip |
| 01/31/2006 | US6991404 Closed modular ditch liners |
| 01/31/2006 | US6991402 Methods and modules for an underground assembly for storm water retention or detention |
| 01/24/2006 | CA2428768C Surge check unit for a liquid distribution system |
| 01/04/2006 | CN2749964Y Plastic sewer pipe joint |
| 01/04/2006 | CN1715726A Method for laying a rehabilitating pipe |
| 01/04/2006 | CN1715571A Connecting structure of holed pipe and pipe |
| 01/04/2006 | CN1234947C Composite water collecting draining blind pipe |
| 12/29/2005 | US20050286977 Closed modular ditch liners |
| 12/28/2005 | CN2748535Y Improvement for pit device of drainage system of bathroom and toilet |
| 12/22/2005 | US20050281619 Drainage channel installation device |
| 12/22/2005 | DE102005013319A1 Flood water regulating system for mountain region, has retaining cistern with opening that is covered with protective crests, which include fingers that rotate around their longitudinal axis to open and close openings |
| 12/22/2005 | DE102004026013A1 Erdverlegbare Rohrleitung mit Wurzelschutz, und Verfahren zum Verlegen einer Rohrleitung Erdverlegbare pipe with root protection, and method of laying a pipeline |
| 12/22/2005 | DE102004025874A1 Ablaufrinne Gutter |
| 12/15/2005 | US20050274085 Split key segmental retaining wall system |
| 12/08/2005 | WO2005116344A1 Inlet collar for highway culverts |
| 12/08/2005 | US20050271473 Width expandable modular erosion control tile system and roadway boundary marker |
| 12/08/2005 | US20050271472 Width expandable modular ditch liners |
| 12/08/2005 | US20050271471 Modular drainage components |
| 12/08/2005 | DE202005014947U1 Packer for repairing bends in drain pipes in situ comprises inflatable tubular sleeve which contains spiral spring |
| 12/08/2005 | DE102004023175B3 Sealing system for shutting off underground drain pipe has two inflatable cuffs on outside of short length of pipe and inner cuff on inner pipe sealing outside diameter of liquid feed pipe |
| 12/07/2005 | CA2490824A1 Modular manhole channel liners |
| 12/06/2005 | CA2166666C Sewer system |
| 11/30/2005 | EP1600568A1 Ground laid pipeline with protection against plant roots |
| 11/30/2005 | EP1600567A2 Drainage channel |
| 11/30/2005 | EP1600222A1 Method for arranging a bend in a plate |
| 11/30/2005 | CN1702242A Steel band reinforced plastic drainpipe and method and apparatus for manufacturing the same |
| 11/29/2005 | US6969215 Method and apparatus for laying pipe on an incline |
| 11/24/2005 | US20050260039 Inlet collar for highway culverts |
| 11/17/2005 | WO2005108681A2 An improved ditch liner system |
| 11/17/2005 | DE102004019920A1 Drainage channel for surface drainage and/or drainage of bulk materials has upper part with seat profiles connected via U-shaped central bar with wings connected to seats on lower part |
| 11/09/2005 | CN2739256Y Inspection well-tube well connection sealing device |
| 11/09/2005 | CN2739255Y Drain pipe ball valve gas stopper |
| 11/03/2005 | US20050244229 Method and apparatus for replacement of underground pipe |
| 11/02/2005 | EP1591593A1 Method for laying a rehabilitating pipe |
| 10/27/2005 | US20050236059 Method for laying a rehabilitating pipe |
| 10/19/2005 | CN2734867Y Thermal shrinkage sheet connecting structure for connecting sewer pipe |
| 10/13/2005 | WO2005095725A1 Method for the installation of a line system, line system and supporting element suitable for the application of the method |
| 10/13/2005 | US20050225088 Rehabilitating pipe and method for laying a rehabilitating pipe |
| 10/13/2005 | DE202005010902U1 Packer to install light chain in liner for sewage pipe repair consists of two parts with profiles corresponding to pipe |
| 10/12/2005 | EP1584761A1 Rehabilitating pipe and method for laying such a pipe |
| 10/12/2005 | CN2733148Y Entwining tube spigot-and-socket coupling device |
| 10/12/2005 | CN1680743A Rehabilitating pipe and method for laying a rehabilitating pipe |
| 10/07/2005 | CA2489959A1 Rehabilitating pipe and method for laying a rehabilitating pipe |
| 10/05/2005 | EP1582801A2 Pipe segment for a rehabilitating pipe assembly |
| 10/05/2005 | CN2730967Y Backflow preventing device |
| 10/05/2005 | CN1676799A Urban-rural pipeline system engineering sewage discharge and utilization comprehensive system structure |
| 10/05/2005 | CN1221754C Flange installation for water drainage, air exhaust and sewage, and its mfg. method |
| 09/29/2005 | DE202005010901U1 Insertion aid to slide end packer into liner hose for sewage pipe repairs consists of two parts, with upper part inserted into liner, and packer on lower part pushed into liner over it |
| 09/28/2005 | EP1580470A1 Method and device for the repair and coating of channels, basins, gutters and the like |
| 09/28/2005 | CN1673603A Segment for rehabilitating pipe assembly |
| 09/22/2005 | WO2005087491A1 Liner for waste water system rehabilitation |
| 09/22/2005 | US20050205148 Segment for a rehabilitating pipe assembly |
| 09/22/2005 | DE202005011947U1 Runoff channel for placing in a pavement comprises a metal sheet channel body, side walls and visible frames whose free ends from a right angled edge and each having a support profile |
| 09/22/2005 | DE102004014152A1 Surface water removal device, e.g. for roads or squares, has thrust block attached or applied to channel body so off-center loading of cover with torque about longitudinal axis of device can be taken up by thrust block |
| 09/22/2005 | CA2488101A1 Segment for a rehabilitating pipe assembly |
| 09/15/2005 | US20050201834 Method and apparatus for installing underground pipe |
| 09/15/2005 | US20050201833 Method and apparatus for laying pipe on an incline |
| 09/13/2005 | US6942424 Width expandable modular ditch liners |
| 09/08/2005 | DE202005010326U1 Gutter for carrying water has visible bar that is inclined relative to vertical axis of channel so that drop towards channel opening is formed |
| 09/01/2005 | DE102004008960A1 Regenwasserbehandlungsanlage Rain water treatment plant |
| 08/31/2005 | EP1568824A1 Plant for treating rainwater |
| 08/31/2005 | CN2721739Y Shutoff device of urban outdoor draining pipeline |
| 08/31/2005 | CN2721738Y Automatically opening and closing valve device of drain pipeline |
| 08/31/2005 | CN2721737Y Anti-block sewer of toilet for multi-layer building |
| 08/30/2005 | CA2286949C Bulldozer/pipelayer combination |
| 08/25/2005 | DE10353080B3 Cast roadway drainage channel has cast concrete base with cast in tapering channel |
| 08/24/2005 | CN1657718A Method for repairing sewer using water-proof film lining |
| 08/24/2005 | CN1657714A Double-supply double-drainage circulation system for multipurpose use city water resource |
| 08/24/2005 | CN1657562A Special material for large-diameter plastic draining pipe |
| 08/18/2005 | US20050183028 System and method for acquisition and analysis of time and location-specific data |