| Patents for E03F 5 - Sewerage structures (11,230) |
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| 05/30/1995 | US5419359 Gas and liquid backflow-preventing valve device for drains |
| 05/24/1995 | DE4339483A1 Control-service and-or repair shaft for supply and or waste disposal lines |
| 05/18/1995 | WO1995013434A2 Drainage system |
| 05/17/1995 | EP0653233A1 Plant for separating floating and suspended matter |
| 05/16/1995 | US5415499 Method for the repair of existing manholes using elastomeric materials |
| 05/09/1995 | US5413307 Precast manhole invert forming |
| 05/06/1995 | CA2102556A1 Method for the repair of existing manholes using elastomeric materials |
| 05/04/1995 | DE4437873A1 Waste-water discharge |
| 05/03/1995 | CN2196141Y Metallic cover plate for escape canal |
| 04/27/1995 | WO1995011355A1 Sewage treatment plant |
| 04/27/1995 | DE4337387A1 Process for dirty water disposal in the wet cleaning of furnaces |
| 04/27/1995 | DE4336228A1 Rainwater settling tank for sewerage systems with an overflow for clarified water |
| 04/26/1995 | EP0649346A1 Device for centrically charging circular tanks |
| 04/25/1995 | US5408706 Fitting assembly for vinyl lined pools |
| 04/20/1995 | DE4335335A1 Petrol separator (low-viscosity-liquid separator) with overflow safety device |
| 04/13/1995 | DE4334747A1 Shaft ring for waste-water (sewage) shafts in a separation system with integrated rainwater line, with a concrete part which is integrally formed on in the manner of a bracket and intended for closed rainwater lead-through |
| 04/12/1995 | EP0559670B1 Cap for a shaft |
| 04/11/1995 | US5405539 Waste runoff water treatment utilizing a collection box with inlet for drainage water and outlet for filtered water; filtration |
| 04/11/1995 | US5405538 Immiscible liquids separator |
| 04/11/1995 | US5405530 Separator for separating floating and sinking matter from waste water contaminated with said matter |
| 04/11/1995 | US5405218 Spraying with fast curing material |
| 04/06/1995 | WO1995009285A1 Device for removably fixing plunger elbows |
| 04/05/1995 | EP0646204A1 Drywell cover and drywell |
| 04/04/1995 | US5403474 Curb inlet gravel sediment filter |
| 03/30/1995 | WO1995008717A1 Device for limiting the outflow and simultaneous intermediate storage of waste water and separation |
| 03/29/1995 | EP0645495A2 Cleaning device for water flowing in a sewer |
| 03/29/1995 | CN2193387Y Road water discharge plate |
| 03/28/1995 | US5401114 Manhole ventilation insert with duct shut-off device |
| 03/28/1995 | CA2133022A1 Spill containment system |
| 03/23/1995 | WO1995008031A1 Transformer station |
| 03/22/1995 | EP0644366A2 Flange connection with a fixed and a loose flange |
| 03/16/1995 | DE4407343A1 Apparatus for separating off particles having solid consistency from a liquid |
| 03/16/1995 | DE4330838A1 Pumping station for liquids |
| 03/16/1995 | DE4330553A1 Ground gulley |
| 03/09/1995 | DE4325278C1 Arrangement for separating coarse matter and/or bulky materials in rainwater-surplussing works |
| 03/08/1995 | EP0641900A1 Handling device for a dirt capture device in a manhole cover assembly |
| 03/01/1995 | EP0640728A1 Drainage channel with grating |
| 03/01/1995 | EP0640370A2 Device for discharging solid compounds from a fluid |
| 02/23/1995 | DE4327726A1 Solids separating apparatus provided for clarification plants |
| 02/21/1995 | US5391295 Spill containment system |
| 02/18/1995 | CA2113236A1 Sewer chimney system |
| 02/15/1995 | EP0638692A1 Process for downward sloped discharge of fluids and installation for carrying out the process |
| 02/14/1995 | CA2084632C Adjustable removable cunette |
| 02/09/1995 | DE4326603A1 Sewage treatment plant with activation tank |
| 02/08/1995 | EP0637653A2 Device for separating, in particular coarse contaminants in separation plants for water protection |
| 02/08/1995 | EP0637652A1 Shaft element of an inspection chamber |
| 02/08/1995 | CN2189174Y Automatic rotating device for removing sludge from grate |
| 02/08/1995 | CN2189173Y Gully gratings made of polymer and concrete |
| 02/07/1995 | US5387054 Scouring system for automatically scouring an empty liquid reservoir |
| 02/07/1995 | US5386669 Corrosion resistant leakproof plastic manhole system |
| 02/01/1995 | EP0636787A1 Unidirectional pumpturbine |
| 02/01/1995 | EP0636751A1 Device for retaining solid matters carried by water at the overflow of rainwater-discharge systems |
| 01/26/1995 | DE4425488A1 Roadway/pavement stepped covering |
| 01/25/1995 | EP0635085A1 Chain conveyor or scraper, in particular for sewage installations. |
| 01/24/1995 | US5383311 Lined structure and liner |
| 01/19/1995 | DE4341803C1 Valve for allowing air into and out of a sewer |
| 01/12/1995 | DE4420030A1 Throughflow-speed regulator for gas/liquid separation |
| 01/12/1995 | DE4321795A1 Process for the purification of pourable materials |
| 01/11/1995 | EP0548149B1 Flow controlling device for a discharge system such as a drainage system |
| 01/10/1995 | US5380436 Solid-liquid separator |
| 01/05/1995 | DE4339036C1 Sealing rotary connection |
| 01/04/1995 | CN2186771Y Vertically bound rectangle oblique |
| 01/03/1995 | US5378375 From sewage treatment plant; generating turbulence to breakdown fecal contaminants, dewatering, compaction; pollution control |
| 12/28/1994 | EP0631019A1 Manhole or container |
| 12/28/1994 | EP0630674A1 Apparatus for separating debris from a polluted liquid stream in a gully, especially from purification plants |
| 12/27/1994 | US5375940 Water permeable landscape ditch cover |
| 12/22/1994 | DE4315308C1 Lining for concrete structures |
| 12/19/1994 | CA2098795A1 Setup for the transformation of husbandry dung to the manure |
| 12/13/1994 | US5372715 Siphonage floor drain and port protector |
| 12/13/1994 | US5372714 Storm sewer catch basin and filter |
| 12/13/1994 | US5372713 Long sand trap for separating and removing sand from water from inflow channels |
| 12/08/1994 | WO1994028260A1 Floor drain with a water trap |
| 12/07/1994 | EP0627530A1 Flow control device |
| 12/01/1994 | DE4317559A1 Shaft arrangement |
| 11/30/1994 | EP0626189A2 Deodorizing filter |
| 11/30/1994 | CN2184029Y Composite grid of sewer |
| 11/24/1994 | WO1994026416A1 Readily installed universal sewage grinder pump |
| 11/24/1994 | DE4333903A1 Filter device for cleaning liquids |
| 11/23/1994 | EP0625365A1 Separator for fluids |
| 11/23/1994 | EP0509011B1 Liquid flow apparatus |
| 11/23/1994 | CN1026717C Rain bar made by reinforced concrete |
| 11/22/1994 | US5366318 Sump assembly |
| 11/17/1994 | DE4414093A1 Tauchwandanordnung in einer Regenwasseranlage Baffle arrangement in a rainwater system |
| 11/17/1994 | DE4315535A1 Plastic shaft |
| 11/16/1994 | CN1095128A Arrangement for removal of objects to be seperated from liquid |
| 11/15/1994 | US5364535 Attaching absorbent pad to catch basin that floats on water surface; removal when saturated |
| 11/10/1994 | DE4315110A1 Apparatus for scooping off material floating on a liquid surface |
| 11/10/1994 | DE4314958A1 Device for recovering energy from flowing water |
| 11/09/1994 | EP0623713A1 A method and a device for automatic circulation in a waste water pump station |
| 11/09/1994 | EP0623712A2 Device for removing separable matter from a liquid |
| 11/09/1994 | EP0623711A2 Strainer for gully |
| 11/08/1994 | US5362386 Support mechanism of overflow weir in sewage disposal tank |
| 11/08/1994 | CA2053446C Process and apparatus for groundwater extraction using a high vacuum process |
| 11/03/1994 | DE4414094A1 Siebrechenanordnung für Überlaufbecken Siebrechenanordnung for Overflow |
| 11/03/1994 | DE4413841A1 Siebrechenanordnung für Überlaufbecken Siebrechenanordnung for Overflow |
| 11/02/1994 | EP0622496A1 Method for making a manhole |
| 11/01/1994 | US5360555 Solids handling in an oil/grease separator |
| 11/01/1994 | US5360290 Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump |
| 11/01/1994 | US5360289 Drainage water pumping station and method for operating the same |
| 11/01/1994 | US5360284 Precast concrete drain inlet |