| Patents for E03F 5 - Sewerage structures (11,230) |
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| 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 |
| 08/29/2001 | EP1127988A2 Gulley with floating closure |
| 08/29/2001 | CN2445018Y Unpowered septic tank |
| 08/29/2001 | CN1310691A Method and apparatus for treating contaminated material containing animal or vegetable waste oil or the like |
| 08/28/2001 | CA2231565C Grease separator grease recovery system |
| 08/22/2001 | CN2444009Y Swing type grate sewage sewerage machine |
| 08/22/2001 | CN1309214A Dirt remover with steel cable and grate |
| 08/21/2001 | US6276093 Air-tight sump cover with water inlet |
| 08/16/2001 | WO2001058605A1 Well-cleaning system |
| 08/16/2001 | US20010013489 Gravitational separator and drainwater treatment system for use in a horizontal passageway |
| 08/16/2001 | CA2812873A1 Filtration of hydrocarbon containing liquid |
| 08/16/2001 | CA2678275A1 Filtration of hydrocarbon containing liquid |
| 08/15/2001 | CN1308167A Automatically opened and closed manhole cover |
| 08/14/2001 | US6273124 Check valve floor drain |
| 08/14/2001 | US6272804 Recessed tray floor drain |
| 08/08/2001 | CN2441893Y Water-free multiple bucket assembled sanitary toilet |
| 08/07/2001 | US6270684 High performance combined sewage overflow and water intake screen |
| 08/07/2001 | US6269495 Adjustable floor drain apparatus |
| 08/07/2001 | CA2216571C Improved oil/grit interceptor |
| 08/02/2001 | DE19951351A1 Procedure and device for edge round rounding and for deburring from below comprises flow around the edge with a erosive liquid |
| 08/01/2001 | EP1119667A1 Securing device for a drainage channel |
| 07/26/2001 | WO2001053614A2 Drain |
| 07/26/2001 | WO2001053208A2 Stormwater treatment apparatus |
| 07/24/2001 | US6264835 Apparatus for separating a light from a heavy fluid |
| 07/24/2001 | US6264056 Tub box |
| 07/24/2001 | CA2162371C Readily installed universal sewage grinder pump |
| 07/19/2001 | WO2001051424A1 Method and arrangement for introduction of sewage pre-treatment upstream of sewage treatment facility |
| 07/19/2001 | DE10101087A1 Sealing device for cylindrical shafts of sewage systems consist of seal pressed via metal band clamping element into joint between shaft rings |
| 07/18/2001 | CN2439478Y Concrete prefabricated rain and sewage well |
| 07/12/2001 | DE10059857A1 Curbstone fitting has casings around the upper and lower ribbed frames with an outer lug for a firm anchor in the surrounding concrete/asphalt material |
| 07/11/2001 | CN2438759Y Gully trap |
| 07/11/2001 | CN1303455A Removable coupling coating to receptacle in that accumulate dirt and endowment of connectors for fitting of that |
| 07/11/2001 | CN1068239C Apparatus and method for separating solids from flowing liquids or gases |
| 07/05/2001 | DE3943704C2 Vorrichtung zum Absaugen von Abwässern aus Schmutzwassersammelbehälter Device for sucking waste water from dirty water collecting |
| 07/05/2001 | DE19961560A1 Process for separating undissolved substances in fluids involves supplying fluid first to a circular flow basin where a superimposed transverse flow moves substances into centre |
| 07/05/2001 | DE19961414A1 Under-ground cylindrical shaft of plastic, as oil collector, waste water shaft, etc. has securing ring locking with radial ribs in convex shaft base to secure against lifting movement caused by groundwater |
| 07/05/2001 | DE19960128A1 Wasserablauf für versiegelte Flächen Water drain for sealed surfaces |
| 07/04/2001 | EP1112416A1 Drain cover in sanitary compartments |
| 07/04/2001 | CN2437764Y Grating |
| 07/04/2001 | CN2437763Y Cast iron concrete gully grating |
| 07/04/2001 | CN2437762Y Sediment trap for gully |
| 07/04/2001 | CN2437761Y City inland river flood and sewage divided delivering device |
| 06/27/2001 | EP1109976A1 Apparatus for preventing reverse flow in drainage |
| 06/26/2001 | US6251286 Accumulating automatic skimmer |
| 06/26/2001 | CA2206338C Improved catch basin |
| 06/20/2001 | EP1108827A2 Drain for sealed surfaces |
| 06/20/2001 | EP1108822A1 Sewage lifting plant |
| 06/20/2001 | EP1108455A1 Device for the separation of washing and rain water for obtaining pre-cleaned water for domestic use |
| 06/20/2001 | EP1108096A1 Device for sequential flushing and for distributing liquid |
| 06/20/2001 | CN2435444Y Integrated plastic septic-tank |
| 06/20/2001 | CN1300335A Apparatus for preventing reverse flow in drainage |
| 06/14/2001 | WO2001042574A2 Multimedia shaft building |
| 06/13/2001 | EP1105588A1 Method and system for discharging a waste flow and siphon installation for use therein |
| 06/13/2001 | DE10051821A1 System for holding liquids, in particular, precipitation water comprises collector and delivery tanks, and is provided with means serving for ventilation of the delivery tank |
| 06/12/2001 | US6245225 Stepped filtration device for mechanically separating solids from liquids |
| 06/07/2001 | WO2001040590A2 Access means for a pipe system |
| 06/06/2001 | EP1104825A2 Shaft piece, particularly concrete shaft ring |
| 06/05/2001 | US6241882 Sump & filter device for drainage inlets |
| 06/05/2001 | US6241881 Pollution separator and filtration apparatus |
| 05/31/2001 | DE10034676A1 Arrangement with female pipe adapter used for bottom pans, sewer or water mains etc. |
| 05/30/2001 | EP1103666A2 Apparatus for separating debris from a liquid stream in a gully |
| 05/30/2001 | EP1103660A2 Bridge kerb drain |
| 05/30/2001 | CN1297092A High-strength high-elasticity light menhole appliance and its making method |
| 05/29/2001 | US6238569 Flotation pile oil/water separator apparatus |
| 05/23/2001 | EP1100996A1 Drainage outlet part of bridge gully |
| 05/23/2001 | DE19956022A1 Rain water collection basin with clarifier overflow has rainwater intake device with concrete dividing wall to define intake flow, and pipes in wall to form clarifier overflow |
| 05/23/2001 | DE19955424A1 Cleaning appliance for esp. rainwater overflow basin consists of stand on floor of basin with holders for centrifugal pump, jet pipes, pivot drive, and tube with flanges |
| 05/23/2001 | CN1066068C Apparatus for drainage of oil and water from surface, especially from the desk of a tanker |
| 05/22/2001 | US6234711 Curb and gutter frame and funnel drain |
| 05/17/2001 | WO2001034919A1 Sewer system flow control to reduce wastewater treatment costs |
| 05/16/2001 | CN2430486Y Leak-proof digestion tank |
| 05/15/2001 | US6231764 Septic tank pump arrangement including a self-cleaning rotary strainer |
| 05/15/2001 | US6231758 Curb-inlet storm drain systems for filtering trash and hydrocarbons |
| 05/10/2001 | DE19953961A1 Compact waste water treatment sand trap comprising a cylindrical curtain positioned above and separated by a gap from conical baffle plate |
| 05/09/2001 | EP1097275A1 Removable coupling coating to receptacle in that accumulate dirt and endowment of connectors for fitting of that |
| 05/09/2001 | EP1097274A2 Transportable biological water-flushed toilet cubicle |
| 05/08/2001 | US6227758 Protector for through-the-curb drain |
| 05/08/2001 | US6226952 Device for anchorage to a grating floor |
| 05/08/2001 | US6226928 Caustic fluid blocking member in the base of a manhole |
| 05/03/2001 | WO2001031129A1 Apparatus for stormwater retention and release, and method of use thereof |
| 05/02/2001 | EP1073610A4 Curb-inlet storm drain systems for filtering trash and hydrocarbons |
| 05/01/2001 | US6223475 Method and apparatus for lining manholes |
| 04/26/2001 | WO2001029335A1 Pump over unit and shaft |
| 04/24/2001 | US6221243 Device for removing hydrocarbons from storm water |
| 04/24/2001 | US6220784 Method and apparatus for forming a trench |
| 04/24/2001 | US6220301 Drainage system |
| 04/24/2001 | CA2219218C Sump-vented controller mechanism for vacuum sewerage transport system |
| 04/18/2001 | EP1092813A2 Metallic grating to cover the channel for picking up and conveying water |
| 04/17/2001 | US6217756 Drain grate responsive to high flow rates of water |
| 04/12/2001 | WO2001025539A1 Plate-shaped construction element |
| 04/11/2001 | CN2426504Y Transfer moulded resin cross winded valve manhole |
| 04/11/2001 | CN1290788A Water discharger for road |
| 04/05/2001 | WO2001023682A1 Tank |
| 04/05/2001 | WO2001023680A1 A drainage pipe covering kit for use during building or floor construction |
| 04/04/2001 | CN2425965Y Closed type spout of sewer |
| 03/29/2001 | DE19946158A1 Process for reconstructing concrete, steel, brickwork or plastic indentations in the ground comprises applying a polyester-based layer followed by a filling material based on an epoxy resin |
| 03/29/2001 | CA2626835A1 Structure forming method, apparatus and product |
| 03/28/2001 | CN1063815C Structure of drainage channel |
| 03/22/2001 | DE19936577A1 Cleaning device for rain overflow tank; has at least one rinsing tank that can be filled with rinsing medium and can be emptied from above tank base into rain overflow tank to clean tank base |
| 03/21/2001 | CN2424249Y Double weir opening discharge swing-arm decanter |