Patents
Patents for E03F 5 - Sewerage structures (11,230)
10/2005
10/05/2005CN2730868Y Integrated cesspool
10/05/2005CN1676799A Urban-rural pipeline system engineering sewage discharge and utilization comprehensive system structure
10/05/2005CN1676314A Solid-liquid separator
10/04/2005US6951619 for storm water sewer systems; pollution control
10/04/2005US6951615 Grease removal system
09/2005
09/29/2005US20050210795 Method for constructing a plastic lined concrete structure and structure built thereby
09/29/2005DE202005010903U1 Access device for round or polygonal shafts consists of ring with vertical steps, seal, crossbar, protective apron, and crane jib for recovery of injured personnel
09/28/2005EP1580339A2 Waste water installation and method for actuating a weir element of a waste water installation
09/28/2005EP1580167A1 Drain water treatment system
09/28/2005CN2729181Y Reniforced concrete combined septic-tank and sub-tank equipped with it
09/28/2005CN2729180Y Sewer mosquito preventer with window
09/28/2005CN2729179Y High-efficient energy-saving cement prefabricating device of enviornmental protection comprehensive ultilization
09/28/2005CN1675438A Grate for closing a drain and similar
09/28/2005CN1673469A Urban public lavatory manure and water separating and water-saving flushing device
09/22/2005WO2005012660A8 Liquid control structure
09/22/2005US20050207902 Machine for removing sump pit water and process for making same
09/22/2005US20050207839 Device for connecting a piece of road equipment, such as drain inlet, to a vertical fixed runoff drainage pipe
09/22/2005US20050205703 Grinder pump tank
09/22/2005DE202005007496U1 System for cleaning overflow grid in a waste water treatment has solids removed by a reciprocating brush between suction hoods connected to a self priming pump by a flexible hose
09/22/2005DE102005008743A1 Solid separator for liquids, e.g. for use in sewage treatment, e.g. for separating solids from liquids from combined sewers, has a self-cleaning separating plate and a non-return valve to control liquid flow through the separator
09/22/2005DE102004014152A1 Surface water removal device, e.g. for roads or squares, has thrust block attached or applied to channel body so off-center loading of cover with torque about longitudinal axis of device can be taken up by thrust block
09/21/2005EP1577453A2 Floor drain
09/21/2005EP1577452A2 Drainage channel
09/21/2005CN2727147Y Device for drying feces and purifying sewage
09/20/2005US6945733 Cover for a drainage device
09/15/2005WO2005085539A1 Anti-backward flow and anti-stench apparatus for manhole
09/15/2005WO2005085537A1 Self-sealing floor drainage
09/15/2005WO2005084834A1 Pivoting jet cleaner with an external-power-free pivoting drive
09/15/2005US20050199537 Storm drain filtration system
09/15/2005DE102004008658A1 System to retain rain and soiled water has a modular structure, which can be planted with wetland vegetation immersed or floating in water bodies with pipes linked to drains fitted with self-cleaning pigs
09/13/2005US6942425 Mitred grate and drain cover
09/13/2005US6942419 Grate assembly
09/13/2005CA2251529C Drain and inspection manhole for liquid conduits and manhole section therefor
09/09/2005WO2005081824A2 Storm water treatment apparatus employing dual vortex separators
09/08/2005US20050193902 Solid-liquid separator
09/08/2005DE202005007922U1 Perforated strip used in installations for treating effluent and drinking water has specified single lengths and comprises a through perforation with specific width
09/08/2005DE102004008859A1 Cleaning device for e.g. rainwater run=off equalizing tanks in sewers, rotated using force of liquid flowing through spray pipe
09/07/2005EP1571269A1 Floor drain
09/07/2005CN2723443Y Movel cimbined digestion tank
09/07/2005CN2723441Y Improved digestion tank structure
09/04/2005CA2499450A1 Method for constructing a plastic lined concrete structure and structure built thereby
09/01/2005DE202005005994U1 Splash feeder for e.g. gush flushing of rain water lines, has tubular dipped siphon connected to flexible tubing seal and funnel provided on inlet side of siphon and flexible tubing seal provided on opposite side
09/01/2005DE202004013914U1 Flüssigkeitssauger Liquid sucker
09/01/2005DE102004008960A1 Regenwasserbehandlungsanlage Rain water treatment plant
09/01/2005DE102004006886A1 Anti-corrosion protective layer over concrete, reinforced concrete or brickwork exposed to industrial effluent and/or sewage
09/01/2005DE102004005216A1 Process and assembly to remove sediment or sludge from settlement basin by suction hose transported in zigzag route by land-based winch
08/2005
08/31/2005EP1568824A1 Plant for treating rainwater
08/31/2005EP1332113B1 Process for fat separation
08/31/2005CN2721740Y Assembled safety draining device
08/31/2005CN2721739Y Shutoff device of urban outdoor draining pipeline
08/31/2005CN2721718Y Stabbing soil and manure lifting-up device
08/31/2005CN2721632Y Manual slagging device of marsh gas pool
08/31/2005CN1661167A Sealed drainage appts. preventing counterflow
08/25/2005US20050184007 Storm water treatment apparatus employing dual vortex separators
08/25/2005DE102004005895A1 Throttle drive for draining e.g. rainwater collection tank, comprises piston connected via rotary bearing to counterweight
08/25/2005DE102004004401A1 Abwassersammelschacht Wastewater collection pit
08/24/2005EP1566498A1 Method of pumping wastewater, and wastewater pump
08/24/2005EP1566497A1 Assembly of a drain hole member and a stench trap, as well as a floor provided with such an assembly, and a method for manufacturing a stench trap
08/24/2005CN2719835Y Pipeline type two-phase biological septic tank
08/24/2005CN1657714A Double-supply double-drainage circulation system for multipurpose use city water resource
08/18/2005DE20321007U1 Fixing mechanism for securing drain grating in gutter, comprises grating web for engaging with recess in gutter edge via opening in edge profile
08/18/2005DE202005008652U1 Hinged manhole cover, has tongue on hinge pin for preventing cover closing accidentally
08/18/2005DE102004011853A1 Run-off arrangement for a shower comprises a collector built into a base of a room, and connecting units for forming a sealing connection of a run-off element with the collector
08/17/2005EP1564335A2 Drainage system flow regulation
08/17/2005EP1562866A1 Method and system for the separation of oily compounds and suspended solids from rainwater
08/17/2005CN1656289A Device for connecting a piece of road equipment, such as drain inlet, to a vertical fixed runoff drainage pipe
08/10/2005EP1561871A2 Throttling valve
08/10/2005EP1561869A2 Water trap with return flow protection
08/10/2005EP1561868A2 Drainage device for shower tray
08/10/2005CN2716370Y Theft-proof moth-proof odour-proof device of sand drain cover
08/10/2005CN2716354Y Wax flushing device by using oral technology
08/10/2005CN2716261Y Assembling cylinder top returning water type methane tank
08/09/2005CA2266920C Apparatus for installing pipeline fill
08/04/2005WO2005071174A1 Collecting structure and drainage structure using the collecting structure
08/04/2005WO2005035888B1 Cover for providing a variable opening level
08/04/2005US20050167344 Solids/liquids separator
08/04/2005US20050166315 Floor drain support plate
08/04/2005DE202005003351U1 Easy entry device for manhole shaft, comprises grip bar holder with claw for hooking onto rung
08/04/2005DE102004002736A1 Dam for regulating overflow in drainage masonry structure, has dam crest constructed in form of e.g. rectangular, square, wavy, polygon, spiral and zigzag, and made of e.g. metal, concrete, brickwork and plastic
08/03/2005EP1559841A2 Sewage collection well
08/03/2005EP1559840A2 Drainage channel
08/03/2005EP1559839A1 Drainage channel
08/03/2005CN2714661Y Environmental protection plastic cement manhole
08/03/2005CN2714643Y Automatically closed type floor drain
08/03/2005CN2714609Y Switching type drainage barrier for urban road
07/2005
07/28/2005WO2005035447A3 Two stage sewage grinder pump
07/28/2005US20050161088 Manhole base
07/27/2005CN2713032Y Cover board for well mouth of sewage drainage channel
07/27/2005CN1646878A Device for determining the position and direction of channel inlets and channel outlets in sewer manholes
07/27/2005CN1646716A Deformed wire for reinforcing marine optical fiber cable
07/26/2005US6921489 Aerated grit chamber and method
07/21/2005US20050155304 Floor drain with membrane strainer
07/21/2005DE202005007662U1 Height adjustable drainage gutter/inlet drain includes cap element consisting of sheet metal component and bent by 180 degrees on two bend points
07/21/2005DE10360310A1 Ablaufvorrichtung Drain device
07/20/2005CN2711277Y Sectional and pre-fabricated concrete digestion tank
07/20/2005CN2711276Y Theft-proof sewage shaft cover grating
07/20/2005CN2711160Y Glass fiber reinforced plastics septic tank
07/14/2005WO2005064087A1 Block structure for gutter, water channel formed of block structure for the gutter, and method of manufacturing block the structure for gutter
07/14/2005DE10356168A1 Manhole cover for e.g. road construction, has two lifting devices, each with extension for gripping, where extensions are hooked into corresponding jacks fixed to ends of cover diameter to lift cover in lifting direction
07/14/2005CA2550949A1 Block structure for gutter, water channel formed of block structure for the gutter, and method of manufacturing block the structure for gutter
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