Patents for E03F 5 - Sewerage structures (11,230) |
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12/29/2004 | EP1491695A1 Electrically conductive confined space ventilator conduit, grounding circuit therefor and corresponding methods |
12/29/2004 | EP1491694A1 Drain water sump |
12/29/2004 | CN2667033Y Environment protection sanitary septic-tank |
12/29/2004 | CN2667032Y Sewer manhole gully grating with spitton |
12/29/2004 | CN1558051A Magnetic odour resistant catch pit cover |
12/28/2004 | CA2185310C Device for rinsing a fluid-storage space |
12/23/2004 | WO2004081305A8 Method and arrangement for renovating well, and inner casing element of well |
12/23/2004 | DE202004015413U1 Einrichtung zur Regenwasserbewirtschaftung Means for stormwater management |
12/22/2004 | CN2665249Y Stink dispelling sand drain cover |
12/22/2004 | CN1181247C Drain and building structure having drain |
12/22/2004 | CN1180988C Water treatment facilities |
12/16/2004 | DE202004015982U1 Flap for throttling discharge/flow in mixed water drain has drive unit to swivel flap and control flow through flow measurement in drain |
12/16/2004 | DE10306142B3 Process to repair drainage shaft structure by cutting trench around top part of trench and insertion of an outer shoring sleeve and replacement top shaft |
12/15/2004 | CN2663552Y Inner and outer ring regular polygon accelerated clarification tank |
12/15/2004 | CN2663551Y Compound mud scraper for depositing tank |
12/15/2004 | CN2663550Y Combined anaerobic tank |
12/15/2004 | CN2663548Y Negative pressure gathering tank |
12/15/2004 | CN1555448A Dual-action decontamination system |
12/15/2004 | CN1555446A Man hole structure, flexible water joint for man hole structure and construction method for man hole structure |
12/09/2004 | WO2004087282A3 Grease removal system |
12/09/2004 | DE20311666U1 Duschbodenelement Shower base element |
12/09/2004 | DE102004022172A1 Upright drain shaft for removal of fine sediment from the area around a sub-surface drain embedded in gravel |
12/08/2004 | CN2661796Y Clip for catch basin decontamination |
12/08/2004 | CN1179103C Square or rectangular roadwork device comprising support frame and covering element |
12/02/2004 | US20040238424 Drainage assembly |
12/01/2004 | EP1266107A4 Method and apparatus for lining manholes |
12/01/2004 | CN2659998Y Composite reinforced drainage shutter grate |
12/01/2004 | CN2659997Y Antitheft portal appts. |
12/01/2004 | CN1177978C Road maintaining piece |
11/30/2004 | US6824696 Oil from water separator |
11/25/2004 | WO2004085754B1 Cover arrangement |
11/25/2004 | WO2004085750B1 Shaft cover and method for the assembly thereof |
11/25/2004 | DE202004011000U1 Cleaning device for e.g. rainwater run=off equalizing tanks in sewers, rotated using force of liquid flowing through spray pipe |
11/25/2004 | DE10318831A1 Back water closure for e.g. floor drains, has automatic float buckle with sealing area having independent sealing surfaces such that one sealing surface blocks the flow opening in case the other sealing surface is leaking |
11/24/2004 | EP1479838A2 Plastic drainage channel |
11/24/2004 | CN2658326Y Mechanical anti-theft device |
11/24/2004 | CN2658241Y Improved gutterway cover |
11/24/2004 | CN2658240Y Traction air stopper |
11/24/2004 | CN1548667A Automatically closing multifunctional floor drain |
11/23/2004 | US6821053 Water flow responsive barrier for gutters and storm drains with rotary actuator |
11/22/2004 | CA2428988A1 Instant water seal trap for existing drainage systems |
11/18/2004 | US20040226606 Vacuum valve controller |
11/18/2004 | DE20320636U1 Filter unit for shafts and drain systems comprises a filter flap which is located between the top coarse filter and the bottom outlet, incorporates a filter insert and a droplet catcher, and is pivotable about an axis |
11/18/2004 | DE10316727A1 Ventilation units for waste water treatment plant sewerage channels, each have ventilation head and are also used for e.g. advertising and road lighting |
11/18/2004 | DE10237768B4 Vorrichtung zur Reinhaltung eines Abwasserpumpwerkes Device for keeping a sewage pumping station |
11/17/2004 | EP1476611A1 Vent for and method of concealing and venting a septic system |
11/17/2004 | CN1546815A Main structural member for false floor |
11/17/2004 | CN1546301A Injection moulding process of water resistant and burglarproof manhole cover |
11/10/2004 | EP1475480A1 Locking device for securing a cover to a frame |
11/10/2004 | EP1165446A4 Method and arrangement for introduction of sewage pre-treatment upstream of sewage treatment facility |
11/10/2004 | CN1544768A Mosquito eradication manhole for urban sewer |
11/09/2004 | US6814858 For sterilizing water retained in a water container |
11/09/2004 | CA2429719A1 Stainless steel oil separator |
11/09/2004 | CA2366606C Method and arrangement for introduction of sewage pre-treatment upstream of sewage treatment facility |
11/04/2004 | DE3660775C5 Flüssigkeitsspeicherraum mit spüleinrichtung. Liquid storage space with cleaning unit. |
11/03/2004 | CN2653021Y Automatic closing type rain drainage well grid for road |
11/03/2004 | CN2653020Y Environmental protection water discharge device |
11/03/2004 | CN2653019Y Sewage discharge accelerator for underground water channel |
10/28/2004 | US20040211733 Vortex grit collector with mechanical conveyor for grit removal |
10/28/2004 | DE10316173A1 Vorrichtung zum Entfernen von feinem Siebgut aus einer Flüssigkeit Apparatus for removing fine material to be screened from a liquid |
10/27/2004 | CN2651325Y Convenient environmental protective rain drainer |
10/27/2004 | CN2651324Y Protector of drain well |
10/21/2004 | WO2004090246A1 Method for the sanitation of a sewer manhole and use of an associated pipe |
10/21/2004 | US20040208704 Manhole structure constructing method, manhole structure water-stop flexible joint and manhole structure |
10/21/2004 | DE10337408A1 Abdeckungsanordnung Cover assembly |
10/21/2004 | DE10330055A1 Shaft cover for placing on the upper edge of a shaft construction and mounted flush with the top surface of a road surface comprises a frame with a supporting edge, and a lost encasing |
10/21/2004 | DE10314748A1 Verfahren zur Reinigung von aus einem Kanalschacht entweichenden Gasen und hierzu geeignete Abwasser-Biofilter-Anordnung sowie Kanalschacht Process for purifying gases escaping from a manhole or commissioning appropriate sewage biofilter arrangement and manhole |
10/20/2004 | EP1468148A1 Locking device for a covering grate |
10/20/2004 | EP1216331B1 Tank |
10/20/2004 | CN1171524C Method for tackling soil and water loss by-irrigation |
10/14/2004 | WO2004088187A1 Gas purge valve |
10/14/2004 | WO2004087302A1 Biofilter system and method for purifying gases escaping from a gully hole |
10/14/2004 | WO2004087289A1 Device for removing fine screened material from a liquid |
10/14/2004 | WO2004087282A2 Grease removal system |
10/14/2004 | US20040200162 Clamp collar design |
10/14/2004 | DE10314943A1 Paved surface water drainage gutter presents U-floored channel having sides and top all projecting one end and covered by slide sealing strips with drainage apertures. |
10/14/2004 | CA2521377A1 Apparatus for removing fine material from a liquid |
10/13/2004 | CN2647957Y Anti-theft well opening device |
10/12/2004 | US6802962 Deck drain cover plate assembly |
10/12/2004 | CA2379598C Method and apparatus for installing and removing disposable netting in floatables control systems |
10/07/2004 | WO2004085754A1 Cover arrangement |
10/07/2004 | WO2004085750A1 Shaft cover and method for the assembly thereof |
10/07/2004 | US20040195186 Grease removal system |
10/06/2004 | EP1464768A2 Floor drain |
10/06/2004 | EP1100996B1 Drainage outlet part of bridge gully |
10/06/2004 | CN2646259Y Insoluble substance blockage proof, deodorant and rat insect proof device for downflow pipe of storied house |
10/06/2004 | CN2646258Y Sewage and sludge lifting device |
10/05/2004 | US6799606 Drainage pipe covering kit for use during building or floor construction |
09/30/2004 | US20040188357 Reducingsolids in fluid flow; fitting filte iwith frame into sewer line; expansion; water pollution control |
09/30/2004 | DE4327121B4 Ablauf zur Montage in vorhandenen Standardtyp-Abläufen Procedure for mounting in existing standard-type processes |
09/29/2004 | CN2644548Y Block-preventing and reclaiming device for building downpipe |
09/28/2004 | US6797162 Catch basin filter for stormwater runoff |
09/28/2004 | US6796325 Apparatus for stormwater retention and release, and method of use thereof |
09/28/2004 | US6795987 Trap guard device |
09/23/2004 | WO2004081305A1 Method and arrangement for renovating well, and inner casing element of well |
09/23/2004 | US20040184911 Liquid seal pump of the helical screw type |
09/23/2004 | US20040182790 Methods of making dual-action decontamination media |
09/23/2004 | DE20304678U1 Drain for a cellar comprises a housing surrounded in its upper region by an annular holder that is surrounded by a ring and can be adjusted in the vertical direction relative to the housing to different ground heights |
09/23/2004 | DE20304640U1 Drain for a cellar comprises a holder provided on a cover for a container for checking the tightness of an inner chamber and accessible from above only when a manually operated slide is closed |
09/23/2004 | DE20304639U1 Drain for a cellar comprises a drainage opening designed as a recess in an annular section of an insert, and a slide eccentrically mounted relative to the insert so that it can pivot |