| Patents for E03F 5 - Sewerage structures (11,230) |
|---|
| 01/14/1998 | CN1170071A Agitator in water |
| 01/13/1998 | US5707527 Apparatus and method for treating storm water runoff |
| 01/13/1998 | US5706854 Venturi vent valve |
| 01/08/1998 | WO1998000610A1 Apparatus for collecting and/or treating and carrying away liquids, multiphase systems, or liquids containing lumpy substances, primarily waste water |
| 01/08/1998 | WO1998000218A1 Method and apparatus for separating solid material from liquid |
| 01/07/1998 | EP0816586A1 Roof drainage device |
| 01/06/1998 | US5705055 Apparatus for automatically recovering grease from a grease separator |
| 12/31/1997 | WO1997049872A1 Sewer system manhole with a covering part |
| 12/29/1997 | EP0814211A1 Flame extinguisher for a free-head sewer |
| 12/29/1997 | EP0814203A2 Drainage system |
| 12/29/1997 | EP0814202A2 Drainage system |
| 12/29/1997 | EP0814201A2 Drainage system |
| 12/24/1997 | WO1997048859A1 Top piece for a manhole structure |
| 12/24/1997 | CN1168439A Enhanced separator tank |
| 12/18/1997 | WO1997047829A1 Sewerage inlet |
| 12/18/1997 | CA2258030A1 Sewerage inlet |
| 12/17/1997 | CN2270762Y Single body combined sewage treatment tank |
| 12/17/1997 | CN1167743A Method and device for collection and treatment of excrement and urine |
| 12/10/1997 | EP0811735A1 Draining device |
| 12/10/1997 | EP0811732A1 Gutter grating for a quick assembling and disassembling |
| 12/09/1997 | CA2115181C Sewage water pumping station, and a tank therefor |
| 12/04/1997 | WO1997045601A1 Method of joining concrete members, joined construction and molding die |
| 12/04/1997 | WO1997045600A1 Liquid drainage system for a hard-top surface |
| 12/04/1997 | DE19622021A1 Drain channel with flush-fitting grating |
| 12/04/1997 | CA2255729A1 Liquid drainage system for a hard-top surface |
| 12/03/1997 | EP0810332A1 Floor drain with two non-return valves, which are subjected to backflow one after the other |
| 11/25/1997 | US5690824 Septic system screened pump vault |
| 11/19/1997 | CN2268065Y Multifunction floor drain |
| 11/19/1997 | CN2268064Y Lekaage-proof base-plate for toilet |
| 11/13/1997 | WO1997042126A1 Sewage lift station |
| 11/13/1997 | DE19650625C1 Sewage-pumping system with sediment-collecting chambers |
| 11/13/1997 | DE19619147A1 Washing press for screened material e.g. gravel |
| 11/13/1997 | DE19618300A1 Overflow wall for channel carrying dirty water |
| 11/13/1997 | DE19617665A1 Device for separating and retaining floating solids in liquid held in rain collector or similar |
| 11/12/1997 | CN2267288Y Magnetic odour seal device |
| 11/06/1997 | WO1997041316A1 Enhanced separator tank |
| 11/06/1997 | WO1997041310A1 Precast prerotation basin system |
| 11/06/1997 | WO1997041068A1 Apparatus and method for treating storm water runoff |
| 11/06/1997 | DE19616147A1 Inspection shaft for drain |
| 10/30/1997 | WO1997040236A1 Arrangement for collecting waste water from individual objects in decanting pits and for drawing it off into a communal sewage network |
| 10/30/1997 | DE19715905A1 Closure mechanism for the overflow tube of a liquid separator |
| 10/30/1997 | DE19616139A1 Rain water butt cleaner |
| 10/29/1997 | CN2266005Y Ornamental multifunctional floor drain |
| 10/28/1997 | US5680989 Adjustable weir for liquid distribution systems |
| 10/23/1997 | DE19615325A1 Maintenance lifting gear for submerged pumps and stirrers |
| 10/23/1997 | DE19615206A1 Restrictor device for opening in rain backlog reservoirs |
| 10/21/1997 | US5679265 Method and device for the separation of a contaminated top layer |
| 10/21/1997 | US5679246 Spill containment system |
| 10/16/1997 | WO1997038184A1 Device for draining rainwater from the roof surface of a building |
| 10/16/1997 | DE19713854A1 Flow assisting device for piped liquids which are transferred from one container to another |
| 10/16/1997 | DE19614448A1 Rainwater run=off control valve |
| 10/16/1997 | DE19613523A1 Reinforced concrete support element e.g for support of garage above water tank |
| 10/11/1997 | CA2173762A1 Sanitary sewer flow rate reduction reservoir |
| 10/09/1997 | DE19613248A1 Waste water solid screenings broken down by vigorous hydrodynamic forces |
| 10/08/1997 | CN2264215Y Water tank |
| 10/07/1997 | US5674386 Self-cleaning bar screen for storm water and the like large water volumes |
| 10/07/1997 | US5673723 Vacuum sewerage system |
| 10/02/1997 | DE19642972A1 Separator for soak-away drainage system |
| 10/02/1997 | DE19612775A1 Liquid separator, especially for a water/oil mixture |
| 09/30/1997 | US5672506 Concrete tank including member composed of glass long fiber reinforced foamed plastic composite material as inside wall and formwork |
| 09/25/1997 | WO1997035077A1 Drainage system |
| 09/25/1997 | WO1997035076A1 Covering for a sewer manhole |
| 09/25/1997 | WO1997034840A1 Process and device for fat separation |
| 09/25/1997 | DE19623974C1 Light liquid separator for water treatment |
| 09/25/1997 | DE19610510A1 Sealing process, e.g. for underground shafts |
| 09/25/1997 | CA2249270A1 Covering for a sewer manhole |
| 09/25/1997 | CA2249198A1 Process and device for fat separation |
| 09/24/1997 | EP0796717A1 A liner for manhole and a method for lining a manhole |
| 09/24/1997 | CN2263148Y Split concrete grated inlet |
| 09/19/1997 | CA2200262A1 A liner for manhole and a method for lining a manhole |
| 09/18/1997 | DE19610858A1 Inlet box for surface water |
| 09/18/1997 | DE19609427A1 Channel overflow device for environmentally hazardous materials |
| 09/17/1997 | EP0795652A2 Oil cut-off device for floor drains and similar |
| 09/17/1997 | EP0738354B1 Method and apparatus for sewage treatment |
| 09/17/1997 | CN1159501A Device for automatically dredging sewer by using domestic sewage |
| 09/16/1997 | US5667670 Wastewater effluent management system using a sand filter |
| 09/16/1997 | US5667256 Gray water line adaptor |
| 09/16/1997 | CA2007415C Pivotal trap apparatus for drainage pipes |
| 09/10/1997 | CN2262060Y Steel fiber concrete combined manhole cover base |
| 09/03/1997 | CN2261456Y Drain cover |
| 09/02/1997 | US5662138 Water drop structure |
| 08/28/1997 | WO1997031162A1 Stormwater sediment and litter trap |
| 08/28/1997 | CA2247035A1 Stormwater sediment and litter trap |
| 08/27/1997 | CN1158091A Device for removing solids from liquid flowing along a channel |
| 08/19/1997 | US5658135 Waste water pump station |
| 08/19/1997 | US5657782 Septic tank flush |
| 08/14/1997 | DE19616792C1 Channel covering grid, particularly for swimpool overflow channels |
| 08/14/1997 | DE19604446A1 Gravity grease separation process returns concentrated residue to emptied holding vessel |
| 08/13/1997 | CN2259447Y Automatic drainage equipment without position limitation |
| 08/12/1997 | CA2073678C Vacuum sewerage system with increased lift capabilities having electric air admission controllers |
| 08/06/1997 | CN1156203A Fullyutilizing systematic engineering method for municipal sewage and slurry |
| 07/31/1997 | WO1997027145A1 Apparatus for separating a light from a heavy fluid |
| 07/31/1997 | DE19603145A1 Moulding semi-finished product |
| 07/31/1997 | DE19602583A1 Ground cistern for collecting rainwater |
| 07/31/1997 | DE19602533A1 Plastics barrel for household waste water |
| 07/30/1997 | EP0786560A2 Device for collecting rain water |
| 07/30/1997 | CN1155561A Lightweight strengthened drainage grid and its manufacture |
| 07/23/1997 | EP0785316A1 Floor drain with a removable bell siphon |
| 07/23/1997 | CN1155251A Apparatus and method for separating solids from flowing liquids or gases |
| 07/22/1997 | US5650065 Skimmer cover for dry well in a catch basin |