| Patents for E03F 3 - Sewer pipe-line systems (3,593) |
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| 10/25/2001 | DE10019977A1 Vorrichtung zur Verlegung eines Kabels bzw. einer Schutzhülle Apparatus for laying a cable or a protective sleeve |
| 10/25/2001 | DE10017711A1 Method for lining drains comprises applying initial lining consisting of fibers impregnated with reactive resin, feeding in sleeve and dilating it so that it is pressed into initial lining |
| 10/24/2001 | EP1148603A2 Device for laying a cable or a protective sheath |
| 10/23/2001 | US6305880 Device and method for trenchless replacement of underground pipe |
| 10/23/2001 | US6305403 Aeration apparatus for a vertical riser in a vacuum drainage system |
| 10/17/2001 | CN1317613A Method for installing swer pipe |
| 10/09/2001 | US6298870 Vacuum-operated sewage system and air inlet valve |
| 10/04/2001 | EP1138840A2 Drainage channel |
| 10/03/2001 | CN2451643Y Sink sewer |
| 10/02/2001 | CA2185792C Trench forming assembly having a counterbuoyancy member and associated method |
| 09/27/2001 | WO2001070494A1 Liner for waste water system rehabilitation |
| 09/20/2001 | WO2001068997A2 Method and apparatus for lining manholes |
| 09/12/2001 | CN2447408Y Directional discharging four-way sewer pipe with enclosed valve for toilet cistern |
| 09/11/2001 | US6286542 Method and article of manufacture for inserting a locator wire into a subterranean, or otherwise concealed, pressurized plastic pipeline |
| 09/05/2001 | CN2446187Y Sliencing plastic drainage tube |
| 09/05/2001 | CN2446186Y Adapting joint of sewer |
| 09/05/2001 | CN2446185Y Water breaking free and folding T-shape pipe |
| 09/05/2001 | CN1311868A Device for mounting an internal clamp in a pipe which is not man-sized |
| 09/05/2001 | CN1070569C Water cut-off construction of side ditch |
| 09/05/2001 | CN1070568C Method for repairing buried sewage pipes |
| 09/05/2001 | CN1070567C Water cut-off construction of side ditch |
| 08/30/2001 | DE10006043A1 Vorrichtung zum Behandeln von in einer in einen zu sanierenden Kanal mündenden Rohrleitung anfallender Flüssigkeit Apparatus for treating a opening into a sewer to be rehabilitated pipe accruing liquid |
| 08/23/2001 | WO2001061236A2 Method and apparatus for curing liners in large diameter pipe |
| 08/09/2001 | US20010012477 Method and system for replacing a damaged section of a channel to which an inserted part has previously been affixed |
| 08/08/2001 | CN2441892Y Drain member for face washing basin |
| 08/02/2001 | US20010010781 Method of laying data cables and the like in underground pipes and pipe-cable combinations |
| 07/31/2001 | WO2001057340A1 Synthetic panel, especially for lining concrete building components |
| 07/18/2001 | EP1115952A1 Sewage system and method of handling wastewater |
| 07/18/2001 | CN1303976A Vacuum sewage pipeline system |
| 07/17/2001 | US6262801 Laser reference level setting device |
| 07/04/2001 | EP1113114A2 Accessible installation and sewage pipe |
| 06/28/2001 | DE19963539A1 Begehbarer Entwässerungs- und Installationskanal Walk-in drainage and sewer installation |
| 06/28/2001 | DE19960832A1 Repairing damaged areas of sewer, by mixing catalyst with sealing compound immediately before filling region between formwork and damaged area |
| 06/28/2001 | DE19960831A1 Method for repairing damaged sections of supply and/or disposal channels involves filling of the space between the shuttering elements and the damaged wall sections with a heated meltable adhesive |
| 06/28/2001 | DE19527369C2 Gerät zum Erfassen und Handhaben verschiedener Formbauteile von Straßenwasserabläufen Apparatus for detecting and handling of various components form of street water drains |
| 06/28/2001 | DE10004334A1 Water drainage system for accessible sewage channels during repair works consists of provisional longitudinal drainage pipe with house connections |
| 06/26/2001 | US6250687 Process for leak proof connection of branch lines to rehabilitated sewer pipes |
| 06/20/2001 | CN1299909A Box culvert |
| 06/17/2001 | CA2292814A1 Multi-purpose underground duct |
| 05/30/2001 | EP0828964B1 Connector for concrete pipes |
| 05/23/2001 | EP1100999A1 Method for laying data cables and data transmission device for a communal gas, pressure or waste-water pipe system comprising at least one waste-water drain and a service shaft |
| 05/17/2001 | DE19950984C1 Pipe for making channel run which can be measured by laser, including centering element for positioning reflector holder |
| 05/16/2001 | EP0953162B1 Fibre-optic cable network |
| 05/16/2001 | CN2430485Y Oriented outlet three way drain pipe with sealing valve |
| 05/10/2001 | DE19950683A1 Textile sleeve for refurbishing drainage pipes comprises multilayer knitted tube, optionally with second knitted tube wound around this, either at right angles or at angle |
| 05/09/2001 | CN2429584Y Filtering inspection cap for vertical water draining pipe |
| 05/09/2001 | CN2429583Y Water saving draining pipe |
| 05/09/2001 | CN2429582Y Ventilative vertical water drain pipe |
| 05/09/2001 | CN2429581Y Unitary casing for indoor water supply and drain accessories |
| 05/09/2001 | CN1065607C Process and equipment for pulling pipes laid or to be laid in ground |
| 05/09/2001 | CN1065582C Vacuum valve controller for vacuum sewer system |
| 05/08/2001 | US6227763 Waterway |
| 05/03/2001 | DE19950070A1 Holder for channel construction laser has bearer mounted in bearer casing with one or more bearings, e.g. ball bearings or liquid bearings, so as to be free to rotate, position stabilizers |
| 05/03/2001 | DE10033396A1 Shut-off device for testing chamber for channel joint consists of slide with form-stable plug and sponge rubber sealing strip |
| 05/01/2001 | US6224342 Conduit pump system to increase water flow capacity |
| 05/01/2001 | US6223475 Method and apparatus for lining manholes |
| 05/01/2001 | CA2236286C Highway trench drain |
| 04/24/2001 | US6220784 Method and apparatus for forming a trench |
| 04/24/2001 | US6220635 Assembly set up between two pipes, and applied pipe assembles |
| 04/24/2001 | CA2219218C Sump-vented controller mechanism for vacuum sewerage transport system |
| 04/17/2001 | US6216285 Waste transport arrangement |
| 04/12/2001 | DE19944271A1 Rinnenkörper Channel body |
| 04/04/2001 | CN1064102C Permeating unobstructed water discharging arrangement for athletic field |
| 03/28/2001 | CN1288990A Ventilation device for rise straight-tube of vacuum water drainage system |
| 03/21/2001 | EP1085135A1 Drainage channel |
| 03/21/2001 | EP1085134A2 Aeration apparatus for a vertical riser in a vacuum drainage system |
| 03/14/2001 | CN2423332Y 偏心顺水三通 Eccentric sailing tee |
| 03/14/2001 | CN1287204A Assembly type vacuum drainage system |
| 03/08/2001 | DE19956543C1 Coupling pipe for pipeline system incorporates optical prism element for deflection of laser measuring beam fed along pipeline |
| 03/07/2001 | EP1081298A2 Modular vacuum drainage system |
| 03/07/2001 | EP0978743B1 Device for mounting a sleeve at the inside of a nonaccessible tube |
| 03/01/2001 | WO2000008506A8 Device for mounting an internal clamp in a pipe which is not man-sized |
| 02/28/2001 | CA2316481A1 Modular vacuum drainage system |
| 02/20/2001 | CA2024024C Pipe connection structure and vacuum-type sewage collecting apparatus incorporating the pipe connection structure |
| 02/14/2001 | CN2419285Y Odor isolator for drain |
| 01/24/2001 | EP0964965B1 Sewer pipe |
| 01/23/2001 | US6176644 Pipe rehabilitation test mandrel |
| 01/18/2001 | DE10024222A1 Connection sleeve, especially for ground slab, sewer manhole or shaft gutter; has two pipe parts of different diameters with intermediate pipe and compensation part to form smooth transition |
| 01/17/2001 | EP1068468A1 Sealing element for piping |
| 01/17/2001 | CN2415067Y Large bore spiral plastic water outlet pipe |
| 01/11/2001 | WO2001002656A1 Sewer system and parts therefor |
| 01/11/2001 | DE19920461A1 Laying objects in channels involves introducing object into channel, fixing it near shafts and channel apex, then fixing it to channel wall using robot that traverses channel between shafts |
| 01/09/2001 | US6170796 Mold and associated method for making a drainage channel |
| 01/09/2001 | US6170531 Flexible tubular lining material |
| 01/04/2001 | DE19920460A1 Arrangement for setting mounting anchorage for attaching especially optical cable in channel or similar has anchorage setting unit, drilling machine, riveting jaws, remote controller |
| 01/04/2001 | DE19920459A1 Device for attaching, clamping and protecting light conducting cable has Bowden cable type flexible cover for optical cable with own minimum radius not less than minimum permitted radius |
| 01/03/2001 | CN2412942Y New water pipe structure with lowering waterflow speed and noise |
| 01/02/2001 | US6168846 Liner strip for pipelines or tunnels |
| 01/02/2001 | US6167916 Multi-purpose underground utility conduit system |
| 12/29/2000 | CA2312617A1 Waterway |
| 12/26/2000 | US6164618 Joining method and joining structure as well as form for concrete products |
| 12/21/2000 | DE19916964A1 Collector device for rainwater and waste water has retainer channel containing full-length mixed water channel with perforations in upper section |
| 12/21/2000 | DE10018432A1 Multiple sewer pipe system for parcels of land built on and not built on |
| 12/20/2000 | EP1060310A1 An arrangement in a drain system and a method for taking care of drain media |
| 12/20/2000 | CN2411289Y Drainage pipe fitting |
| 12/20/2000 | CN1059725C Water saving circulating utilization system |
| 12/14/2000 | DE19927020A1 Buried drainage shaft and drivage uses free-holed telescoping shaft elements raised or lowered or axially turned to line up with house and drain line connections. |
| 11/30/2000 | DE19923858A1 Procedure for repairing pipelines, entails placing of inner layer on auxiliary carriage, introducing carriage with inner layer into pipe, and introducing filling material in space between inner layer and outer layer |
| 11/28/2000 | US6152160 Modular vacuum drainage system |
| 11/23/2000 | DE19922830A1 Accessible tunnel system for all municipal services is constructed from individual modular components, connection and sealing units |