| Patents for E03F 5 - Sewerage structures (11,230) |
|---|
| 04/15/2003 | US6547962 Stormwater treatment system |
| 04/10/2003 | DE20301646U1 Rainwater catchment basin emptying device, has inlet end of hose height adjustably secured to float |
| 04/09/2003 | EP1300366A1 Road surface waste water treatment device and tubular water treatment unit |
| 04/09/2003 | EP1299600A1 Undershot overflow filter |
| 04/02/2003 | EP1297277A1 Well |
| 04/02/2003 | CN2542757Y Combined pipe device for recovering domestic sewage |
| 03/27/2003 | DE9422461U1 Outlet fitting for roofs or floors - has horizontal and radially outward reaching flange on lower container to prevent flame egress through drainage duct |
| 03/20/2003 | WO2003023156A1 Dual-action decontamination system |
| 03/20/2003 | DE20217415U1 Gravity fed pump shaft fabricated of glass fibre |
| 03/19/2003 | CN1103400C High-strength, high-elasticity light manhole appliance and its producing method |
| 03/18/2003 | US6533941 Comprises four concentric screens having deionizing filter material and hydrophobic and liquid hydrocarbon absorbent material for removing trash, sediment, liquid hydrocarbons, and metal ions |
| 03/18/2003 | US6533497 Method of using a trench forming assembly having removable pin anchoring mechanism |
| 03/18/2003 | CA2278671C Debris catcher for manholes and catch basins |
| 03/13/2003 | US20030047514 Dual-action decontamination system |
| 03/05/2003 | EP1288427A2 Weather-protection grille |
| 03/05/2003 | EP1287214A1 Gutter element |
| 03/05/2003 | EP1287213A1 A drain and a building structure having a drain |
| 03/05/2003 | CN2538877Y Toilet with excrement and urine separated treating reactor |
| 03/05/2003 | CN2538876Y Draining structure |
| 03/05/2003 | CN2538875Y Composite draining gully grating |
| 03/05/2003 | CN1102686C Apparatus for preventing reverse flow in drainage |
| 02/26/2003 | EP1285141A1 Weir section; a sewer pipe structure including such a weir section and their method of construction |
| 02/26/2003 | CN2537755Y Simple faeces and water separator |
| 02/25/2003 | US6524473 Gravitational separator and drainwater treatment system for use in a horizontal passageway |
| 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 | US20030036889 Computerized design method and apparatus for drainage systems |
| 02/20/2003 | US20030034286 Flow through drain filter for a stormwater or wastewater catch basin |
| 02/13/2003 | WO2003012210A2 Concrete manhole connector gasket |
| 02/13/2003 | US20030029808 Water treatment system |
| 02/13/2003 | DE10112840C1 Entwässerungseinrichtung zur Oberflächenentwässerung Drainage device for surface drainage |
| 02/12/2003 | CN1396350A System for automatically treating human excrement and urine without water in urban area and using submersible pump to flush excrement by urine in public toilets |
| 02/11/2003 | US6517709 Catch basin erosion containment filter assembly |
| 02/06/2003 | DE10141165C1 Weather-protection grating for flow channels comprises a lamella support provided with recesses having a two-armed configuration with an insertion slit running backward from a front opening and an angled inner suspending region |
| 02/05/2003 | CN2534266Y Direct-buried septic-tank adapted for factorial production |
| 01/30/2003 | WO2003008715A1 Manhole structure constructing method, manhole structure water-stop flexible joint and manhole structure |
| 01/30/2003 | US20030019163 Concrete manhole connector gasket |
| 01/30/2003 | CA2427846A1 Method for constructing manhole structures, waterproof flexible joints for such manhole structures and the manhole structures thus constructed |
| 01/29/2003 | CN2533167Y Theftproof road rainwater grate |
| 01/28/2003 | US6511595 Apparatus and methods for separating solids from flowing liquids or gases |
| 01/23/2003 | DE20217897U1 Single piece road drain made from plastic, has base part with integrally formed overhang acting as stand and fixing aid during drain installation |
| 01/22/2003 | CN2532136Y Theft-proof gully grating |
| 01/16/2003 | DE20207880U1 Casting mold for casting metal has upper part for molten material poured in and lower part made from concrete with run-off slits and sleeve |
| 01/08/2003 | EP1273728A2 Sewage lifting device with low suction inlet |
| 01/07/2003 | US6503404 For treating excess wastewater from a sewer system, such as a combined sewer system or a sanitary sewer system by injecting a treating agent |
| 01/03/2003 | WO2002096812A9 Method for removing oil, fat and grease from water |
| 01/02/2003 | US20030000892 Stormwater treatment system |
| 01/02/2003 | DE20215910U1 One-piece tangential shaft for waste water drain |
| 01/01/2003 | CN1388069A Water treatment facilities |
| 12/27/2002 | WO2002103233A1 Check valve floor drain |
| 12/27/2002 | WO2002102220A1 Adjustable floor drain apparatus |
| 12/26/2002 | US20020194675 Drain flow control device for commercial drainage system |
| 12/24/2002 | US6497533 Drainage system with membrane cover and method for covering wastewater reservoir |
| 12/19/2002 | WO2002101159A1 Lined manhole base section |
| 12/19/2002 | US20020189675 Check valve floor drain |
| 12/19/2002 | DE10214305A1 Waste water treatment assembly has sluice gates converting trap basin to through flow channel for rainwater surge |
| 12/18/2002 | EP1266107A2 Method and apparatus for lining manholes |
| 12/18/2002 | EP0954651B1 Raked bar screen |
| 12/18/2002 | CN2526379Y Reciprocating pin tooth sliding grate sewage remover |
| 12/18/2002 | CN2526378Y Elevator-type step grate sewage remover |
| 12/12/2002 | US20020185449 Apparatus and method for collecting floating debris |
| 12/12/2002 | US20020185438 Such as overflow sewage or oil-contaminated water; includes an inflow pipe connected to the receiving means of the vertical membrane storage system, an inflow overflow valve within the pipe and an outflow pipe with valve |
| 12/11/2002 | CN1384256A Sewage conduit connector to stop awful smell |
| 12/11/2002 | CN1095907C Pollutant interceptor |
| 12/11/2002 | CA2390406A1 Drain flow control device for commercial drainage system |
| 12/10/2002 | CA2269565C Inside drop system for manholes |
| 12/05/2002 | WO2002097275A1 Liquid seal pump of the helical screw type |
| 12/05/2002 | WO2002097204A1 Sump assembly |
| 12/05/2002 | WO2002097200A1 Precast manhole base section |
| 12/05/2002 | WO2002096812A1 Method for removing oil, fat and grease from water |
| 12/04/2002 | EP1262459A1 Water treatment system |
| 12/04/2002 | EP1261438A1 Well-cleaning system |
| 12/04/2002 | EP0900175B1 Apparatus and method for treating storm water runoff |
| 12/04/2002 | CN2523816Y Drain air weirs |
| 12/04/2002 | CN2523815Y Rain drain cover with hinge and waterproof groove |
| 12/04/2002 | CN2523814Y Entrances of sewage drains |
| 12/04/2002 | CN1382883A Reinforced concrete trench cover with very low reclaiming value for pavement and its making method |
| 11/28/2002 | WO2002095150A2 Drainage apparatus |
| 11/28/2002 | US20020175115 Self-draining filtering system |
| 11/28/2002 | DE10221208A1 Arrangement for collecting dirty water containing salt, has water collecting container with outlet via which water is fed using distributor or mixing container to produce desired concentration |
| 11/28/2002 | CA2446891A1 Method and system for analyzing the effect of inflow and infiltration on a sewer system |
| 11/27/2002 | EP1260641A1 Sewage pipe connector for intercepting bad smell |
| 11/27/2002 | EP1259676A1 Wastewater separator and method of using same |
| 11/27/2002 | CN1381295A 分离器装置 Separator means |
| 11/19/2002 | US6481927 Assembly and method for joining a drain pipe and a catch basin |
| 11/14/2002 | WO2002090675A1 Cover for a drainage device |
| 11/14/2002 | DE19930346C2 Kanalspüler Sewer |
| 11/13/2002 | CN1094179C 泵叶轮 Pump impeller |
| 11/12/2002 | US6478954 Debris collecting apparatus |
| 11/12/2002 | CA2167789C Automatic back water valve system |
| 11/07/2002 | WO2002088472A1 Method for the removal of sediment from sand traps |
| 11/07/2002 | US20020164209 High capacity catch basin filtration system with adjustable deflector ring |
| 11/07/2002 | US20020163189 Sewage pipe connector for intercepting bad smell |
| 11/06/2002 | EP1254991A2 Assembly of a gutter and a grate |
| 11/05/2002 | US6474361 Floating weir assembly and fluid flow management system comprising same |
| 11/05/2002 | US6474357 Vacuum sewer system |
| 10/31/2002 | WO2002086248A1 Catch basin attachment |
| 10/31/2002 | WO2002086247A1 Ready-to-install road equipment and corresponding installation method |
| 10/31/2002 | WO2002085488A1 Screen apparatus |
| 10/31/2002 | DE10119920A1 Sewage system has an access shaft, with an opening into the sewage pipe, covered by a connection with a hose link to a filter to keep the shaft interior free of foul air |
| 10/30/2002 | EP1253254A2 Pumped trap and method of installing same |