Patents
Patents for E03F 5 - Sewerage structures (11,230)
02/2004
02/19/2004WO2004015212A2 Method and device for locking manhole and catch basin covers
02/19/2004WO2003093590A8 Slot drain
02/19/2004DE29825009U1 Gully cover for frame within channel body of concrete, to take off surface water from roads and highways - has intermediate elastic layer between frame and cover to take up shock forces from traffic
02/19/2004DE19840593B4 Vorrichtung zur Herstellung einer Flachdach-Entwässerung Apparatus for producing a flat roof drainage
02/17/2004US6692189 Flume for optimization of sewer system and wastewater treatment plant capacity
02/12/2004WO2004013421A1 Method for producing a plastic pit-floor element
02/12/2004US20040028474 Screen assembly for combined sewer overflow weir
02/12/2004US20040028470 Self-leveling system
02/12/2004DE4406783B4 Ablaufarmatur für Decken und Fußböden sowie Anordnung einer derartigen Ablaufarmatur in einer Deckenöffnung einer Deckenplatte A drain fitting for ceilings and floors, as well as arranging such a drain fitting in a ceiling opening a cover plate
02/12/2004DE20317812U1 Odor trap for collection shafts and pumping wells of sewerage systems, comprises chamber with activated carbon outlet filter, through which waste gases pass
02/12/2004DE20317483U1 Street drain has outer frame around grid with snap-fit springs engaging with projection from outer frame inner sidewall
02/11/2004CN2603138Y Circular flushing type environment protection closet
02/10/2004US6687925 Load resistant floor drain assembly
02/05/2004DE19959250B4 Schachtbauwerk Shaft construction
02/04/2004EP1386650A2 Device to separate a lighter phase from a wastewater.
02/04/2004EP1385596A1 Screen apparatus
02/04/2004CN2602082Y Lockable cellar well cover
02/04/2004CN2602022Y Anaerobic glass fibre reinforced plastic egesta pot
02/04/2004CN1473226A Manhole structure constructing method, manhole structure water-stop flexible joint and manhole structure
02/03/2004US6684902 Dual sensor liquid accumulator
01/2004
01/29/2004DE10230672A1 Verfahren und Vorrichtung zur Reinigung von Rechen, Rechengut und Sand Method and apparatus for cleaning screens, screenings and grit
01/28/2004EP1383967A1 Cover for a drainage device
01/28/2004CN2601278Y Auto-closed drainage cover
01/27/2004US6681801 Pumping station with efficiency increasing and backflow preventing structure
01/22/2004WO2004007857A1 Well
01/22/2004WO2004007849A1 Manhole structure, flexible water shut off joint for manhole structure and method for installing manhole structure
01/22/2004US20040011738 Aerated grit chamber and method
01/22/2004DE10229204A1 Verfahren zur Reinigung von Abwasser aus Anlagen zur Behandlung von Niederschlagswasser Process for purifying waste water from treatment plants of rainwater
01/22/2004CA2459853A1 Manhole structure, flexible water shut off joint for manhole structure and method for installing manhole structure
01/21/2004EP1381738A1 Ready-to-install road equipment and corresponding installation method
01/21/2004CN2600511Y Split deordorization sand separating floor drain for read drain
01/20/2004US6679994 Screening apparatus
01/15/2004US20040007655 Device and method for setting a frame
01/15/2004US20040007512 Manhole debris-catching system
01/15/2004DE20315600U1 Amphibian stopping channel for preventing amphibians from crossing a channel is made of reinforced concrete with a grid made of vertically arranged flat steel
01/15/2004DE20312983U1 Bath base feed for baths has a water inlet corresponding to the floor shape and size and lying over a feed grate having openings
01/14/2004CN1134575C Aerobic digestion toilet
01/13/2004US6676832 Surface water purifying catch basin
01/08/2004DE10226431A1 Aufsatz zur Sammlung und Ableitung von Wasser und Informationssystem Essay for the collection and disposal of water and Information System
01/02/2004EP1194714B1 Method for in situ renovation of a manhole, particularly a sewer manhole, and prefabricated liner therefore
12/2003
12/30/2003US6669405 Assembly and method for joining drain pipe to concrete catch basin
12/24/2003DE20313142U1 Device for controlling air circulation in a sewer manhole comprises a tank having a throttle-free outlet opening having an adjustable throttle element with a protective leaf and sand collector
12/24/2003CN2594338Y Odour sealing case in drain
12/24/2003CN1463254A Method for removing oil, fat and greas from water
12/23/2003US6666966 Self-disinfecting drain trap in drainage channels
12/18/2003DE19545047C2 Vorrichtung zur Aktivierung vorhandener Stauräume sowie zur Abflussverzögerung von Abwasser innerhalb von Abwassersystemen Device for activation of existing storage spaces and to delay discharge of wastewater within sewer systems
12/17/2003EP1371790A1 Apparatus for collecting salt-containing water
12/17/2003CN2592738Y Handle type floor drain cover
12/11/2003WO2003102316A1 Device for connecting a piece of road equipment, such as a drain inlet, to a vertical fixed runoff drainage pipe
12/11/2003US20030228193 Slot drain
12/10/2003EP1368544A1 Drainage device for surface drainage
12/10/2003EP1368543A1 Surface draining arrangement
12/10/2003CN1461371A Catch basin attachment
12/04/2003WO2003099724A1 Method and system for the separation of oily compounds and suspended solids from rainwater
12/04/2003WO2003099723A1 Oil from water separation system
12/04/2003CA2486948A1 Oil from water separation system
12/03/2003EP1366245A1 Waste water installation with purification device
12/02/2003US6655402 System and method for vacuum flushing sewer solids
11/2003
11/27/2003DE20303663U1 Safety grid for water course has a fixed upper section and a hinged lower section fitted with buoyancy aid to prevent build up of debris in flood conditions
11/26/2003CN2587966Y Prefabricated concvete assembling type adjustable stormwater inlet
11/26/2003CN2587965Y No-sediment automatic discharging water tank
11/26/2003CN1458353A Sealing cover for rain drain
11/26/2003CN1128936C Pump
11/19/2003EP1362962A1 Method for rain water treatement and flow controlling
11/19/2003EP1362961A1 Structural unit for fire protection of a draining device and draining device comprising that structural unit
11/19/2003CN2586752Y Horizontal water discharging component
11/19/2003CN2586751Y Sewage check valve
11/19/2003CN1456043A Method for tackling soil and water loss by non-irrigation
11/18/2003US6649048 Filter cartridge with regulated surface cleaning mechanism
11/13/2003WO2003093591A1 Drain cover unit
11/13/2003WO2003093590A1 Slot drain
11/13/2003WO2003012210A3 Concrete manhole connector gasket
11/13/2003US20030210955 Mitred grate and drain cover
11/12/2003CN2585906Y Divided-flow rainwater automatic defeating device
11/12/2003CN1455067A Municipal life sewage utilization and municipal roofing large-scale ecological development and installation thereof
11/12/2003CN1455048A Narrow-groove drainage device
11/11/2003US6645387 Separator device
11/11/2003US6644342 Modular integrated wastewater lift station construction kit
11/11/2003CA2313547C Low profile high capacity inside drop for a manhole
11/06/2003WO2003091662A1 Device for determining the position and direction of channel inlets and channel outlets in sewer manholes
11/06/2003US20030205579 Reusable seal for sewage basins
11/05/2003EP1359255A2 Pivoted bridge drainer
11/05/2003CN2584689Y Improved gulley gate device
11/05/2003CN2584688Y Glass fibre reinforced manhole cover, galley grate
11/05/2003CN2584687Y Gulley
11/04/2003US6641720 Apparatus and methods for separating solids from flowing liquids or gases
10/2003
10/29/2003EP1357231A1 Grating and a frame for a grating
10/29/2003EP1356166A1 Drainage device and method for production of a drainage device
10/28/2003US6638424 Stormwater treatment apparatus
10/23/2003WO2003087419A1 Deformed wire for reinforcing marine optical fiber cable
10/23/2003DE20307105U1 Filter for use in a vertical drain, comprises a cylinder of woven or non-woven textile supported by a concrete base plate
10/22/2003CN2581553Y Odour-proof draining pot for road surface drain
10/22/2003CN2581552Y Funnel-type sewer sand screen
10/21/2003US6634828 Method for in situ renovation of a manhole, particularly a sewer manhole, and prefabricated liner therefore
10/09/2003WO2003083228A1 Method and apparatus for installing and removing netting systems
10/08/2003CN2578422Y Built-in filtering clearing net in drain
10/08/2003CN2578421Y Multifunctional cover of manhole
10/02/2003US20030183569 Method and apparatus for installing and removing disposable netting systems in floatables control systems
10/02/2003DE20220498U1 Method for fire proofing cable duct and ground drain with a cylindrical insert with thermally expanding cladding
10/01/2003EP1348475A2 Apparatus for filtering raw water such as surface water
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