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 |