| Patents for E03F 5 - Sewerage structures (11,230) |
|---|
| 06/10/1999 | DE19813862A1 Control method for water collection basin cleaning system |
| 06/10/1999 | DE19754272A1 Pumping station for solids separator in iron and steel industry |
| 06/10/1999 | DE19752473A1 Drain system for street gutters |
| 06/09/1999 | EP0921236A1 Mobile access means |
| 06/08/1999 | US5909982 Large-depth underground drainage facility and method of running same |
| 06/03/1999 | WO1999027204A1 Pollution separator and filtration apparatus |
| 06/03/1999 | WO1999027199A1 Drain assembly |
| 06/02/1999 | EP0919671A1 Filtering apparatus |
| 06/02/1999 | CN2321842Y Theft-proof manhole cover |
| 06/02/1999 | CN1218148A Pump impeller |
| 05/26/1999 | EP0918113A1 Sliding system for continuous control |
| 05/26/1999 | EP0918111A1 Method of anchoring a sewer manhole and manhole thus anchored or sewer manhole for such an anchoring |
| 05/26/1999 | CN2320686Y Enclosed water channel |
| 05/26/1999 | CN2320685Y Odour seal for cover of cesspool |
| 05/26/1999 | CN1217435A Pump vane |
| 05/25/1999 | CA2048664C Vacuum drainage system |
| 05/20/1999 | DE19836096A1 Waste water pump station for two immersion motor pumps |
| 05/20/1999 | DE19747627A1 Lining for basin or drain |
| 05/19/1999 | EP0916852A1 A pump impeller |
| 05/19/1999 | EP0916851A1 A pump impeller |
| 05/19/1999 | EP0858538A4 Storm water filter arrangement |
| 05/19/1999 | CN2319461Y Water falling grid tray |
| 05/19/1999 | CN2319460Y Floor drain |
| 05/18/1999 | US5904842 Screen baskets for collecting debris |
| 05/14/1999 | WO1999023320A1 Draining system |
| 05/12/1999 | EP0914526A1 Siphon device |
| 05/12/1999 | EP0687332B1 A device in draining gutters |
| 05/12/1999 | DE19847978A1 Waste water treatment assembly separating sludge and oil from industrial effluent |
| 05/11/1999 | US5902477 Combined sewer overflow and storm water diverter screen |
| 05/11/1999 | CA2128374C Bar screen having compound fine screen bar rack |
| 05/06/1999 | EP0913534A1 Manhole for fluid conduits and manhole section therefor |
| 05/06/1999 | DE19849631A1 Portable lavatory cubicle with water flush |
| 04/28/1999 | EP0910707A1 Stepped filtration device for mechanically separating solids from liquids |
| 04/28/1999 | CN2316355Y Grating type sewer cover |
| 04/28/1999 | CN1215446A Device for draining rainwater from the roof surface of a building |
| 04/27/1999 | US5898375 Siphon alarm and restarting mechanism |
| 04/22/1999 | WO1999019040A1 Device for continuously skimming off a floating toplayer |
| 04/20/1999 | US5894858 Device for shutting off the feed or discharge pipe of a mobility separator |
| 04/14/1999 | EP0908569A1 Screening device for sewage in an inlet pipe |
| 04/14/1999 | EP0908568A1 Locking device for gratings in frames |
| 04/14/1999 | EP0908567A1 Anchor bolt for frame |
| 04/14/1999 | EP0907806A1 Apparatus for collecting and/or treating and carrying away liquids, multiphase systems, or liquids containing lumpy substances, primarily waste water |
| 04/14/1999 | EP0882161A4 Stormwater sediment and litter trap |
| 04/14/1999 | CN2313987Y Automatically sealin overflow |
| 04/14/1999 | CN1214096A Covering for sewer manhole |
| 04/08/1999 | DE19742594A1 Outlet regulator for a liquid, especially water, in a storage tank |
| 04/07/1999 | EP0906478A1 Sewer system manhole with a covering part |
| 04/07/1999 | EP0906477A1 Top piece for a manhole structure |
| 04/01/1999 | WO1999015736A1 Ceramic, glass or metal urinal |
| 03/31/1999 | EP0905332A1 Cover for drainage channels |
| 03/31/1999 | EP0904471A1 Sewerage inlet |
| 03/25/1999 | WO1999014446A1 Process for converting gully gratings or the like into filter elements |
| 03/25/1999 | WO1999014444A1 Manhole shutters |
| 03/25/1999 | DE19834317A1 Inlay body for renovation of bottom of sewage shaft |
| 03/25/1999 | DE19741942A1 Passage-ventilation system for clearing fumes from drain |
| 03/25/1999 | DE19740405A1 Ventilated drain hatch |
| 03/24/1999 | EP0903445A1 Drainage grating for liquids in general, and associated support |
| 03/24/1999 | EP0903444A1 Ceramical, glass or metal urinal |
| 03/23/1999 | CA2175277C Enhanced separator tank |
| 03/18/1999 | WO1999013170A1 Locking device for well covers |
| 03/18/1999 | DE19754751C1 Circulation flow generation device for pumping station |
| 03/17/1999 | EP0901542A1 Liquid drainage system for a hard-top surface |
| 03/17/1999 | CN2310805Y Insect prevention drain |
| 03/17/1999 | CN2310804Y Circular theft-proof sand manhole cover |
| 03/17/1999 | CN1210927A Glass fiber reinforced plastic water grate |
| 03/11/1999 | WO1999011878A1 Pollutant interceptor |
| 03/11/1999 | DE19739077A1 Collector trough for floor-drain |
| 03/11/1999 | DE19734590A1 Pumping system for solids-laden liquid e.g. for sewage |
| 03/11/1999 | DE19733571A1 Block-type slotted reinforced-concrete component esp. for use in draining road surfaces, airport runways etc. |
| 03/10/1999 | EP0900175A1 Apparatus and method for treating storm water runoff |
| 03/09/1999 | US5878448 Floor drain extension |
| 03/03/1999 | EP0899387A1 Method for renovating the base of manhole shafts |
| 02/24/1999 | EP0898025A1 Apparatus for actuating the mechanism of a flushing device |
| 02/24/1999 | EP0898024A1 Cover for drainage channel installable in a floor |
| 02/23/1999 | US5874002 Enhanced oxygenation of sewage within multicompartment tank in which an inverted frustopyrimidal hopper defines aeration zones external to hopper and clarification zone internal to hopper whereby supplied air is compressed by incoming sewage |
| 02/17/1999 | CN2307849Y Turnover anti-theft manhole cover with double-pine |
| 02/16/1999 | US5871304 For use in a wet well |
| 02/16/1999 | US5871027 Vacuum valve controller |
| 02/16/1999 | US5870871 Sump liner and method of installation |
| 02/15/1999 | CA2244938A1 Device for operating a mechanism of a rinsing fixture |
| 02/11/1999 | DE19834902A1 Sewage treatment plant |
| 02/11/1999 | DE19820840A1 New water treatment process |
| 02/10/1999 | CN2307056Y High water seal floor drain |
| 02/10/1999 | CN1041999C Readily installed universal sewage grinder pump |
| 02/02/1999 | US5864990 Drain board for gutter |
| 01/21/1999 | WO1999002792A1 Floor drain |
| 01/20/1999 | EP0891461A1 Device for draining rainwater from the roof surface of a building |
| 01/19/1999 | US5861098 Separation chamber having heater to reduce viscosity of lighter fluid and increase specific gravity gradient between them |
| 01/12/1999 | US5857472 Device for rinsing a fluid-storage space |
| 01/07/1999 | WO1999000557A1 Strainer device and method |
| 01/07/1999 | EP0888482A1 Covering for a sewer manhole |
| 01/05/1999 | US5855774 Storm drain filter |
| 12/30/1998 | EP0887479A1 Prefabricated manhole for connection and inspection of sewer pipes and process for installing such a manhole |
| 12/30/1998 | EP0887095A1 Liquids separator |
| 12/30/1998 | EP0823951B1 Building element with a cast mineral body |
| 12/30/1998 | CN2302296Y Composite material gully |
| 12/29/1998 | US5852901 Stackable riser for on-site waste and drainage systems |
| 12/29/1998 | CA2122087C Method for automatically circulating, and then halting, circulation of waste water in a waste water pump station and a valving device therefor |
| 12/24/1998 | DE19726342A1 Process for removing oil and grease from scale pit water |
| 12/24/1998 | DE19725692A1 Surface for roads, paths, industrial and commercial areas, etc. |