| Patents for E03F 5 - Sewerage structures (11,230) |
|---|
| 10/30/1984 | CA1176993A1 Filtering and collecting device for water drains |
| 10/16/1984 | US4476603 Drainage seal for sewage system |
| 10/09/1984 | US4475571 Sewer relief valve |
| 10/02/1984 | US4474210 Surge control weir structure for sewage treatment plants and the like |
| 10/02/1984 | CA1175243A1 Structure for gaining access to an underground pipe |
| 09/25/1984 | US4472911 Construction for access to a buried pipeline |
| 09/18/1984 | US4472277 Grease trap |
| 09/12/1984 | EP0118021A2 Separator for light liquids |
| 08/15/1984 | EP0115762A2 Flushing device for rain tanks |
| 08/07/1984 | US4463461 Discharge pit having a water trap |
| 08/07/1984 | CA1172052A1 Canal bed shell |
| 07/31/1984 | US4462766 Device for automatic circulation in a waste water pump station |
| 07/31/1984 | US4462123 Fabricated floor drain with large stepped flange for elastomeric trowelled covering |
| 07/11/1984 | EP0113021A2 Sand collector |
| 07/05/1984 | WO1984002512A1 Motor-pump unit lowerable into a container |
| 06/26/1984 | US4456432 Emergency sump pump and alarm warning system |
| 06/26/1984 | US4455693 Self-contained, two-piece gasket seal assembly for drains |
| 06/19/1984 | US4455231 Flow regulation device for waste waters |
| 06/12/1984 | US4454039 Frame and cover members for constructing apertures in road surfaces |
| 05/16/1984 | EP0108378A1 Sewage regulator |
| 05/01/1984 | CA1166582A1 Plastic catch basin |
| 04/24/1984 | USRE31561 Large capacity drainage receptacle |
| 04/24/1984 | US4444221 Sewer manhole channel construction and method |
| 04/10/1984 | CA1165207A1 Flow restrictor |
| 03/27/1984 | US4439323 Method of discharging septic tank filtered effluent |
| 03/27/1984 | CA1164495A1 Self-contained seal for drains |
| 02/21/1984 | US4432384 Sewer fluid trap |
| 01/18/1984 | EP0098820A2 A device adapted to collect and to discharge solid matter |
| 01/17/1984 | US4426293 Method and apparatus for removing oil from water |
| 01/04/1984 | EP0097392A2 A plastic gully and an outlet portion and a plastic gully portion for use in such a plastic gully |
| 01/03/1984 | US4423527 For waste reception |
| 12/27/1983 | US4422994 Method and apparatus for forming inverts in manhole assemblies, and the like |
| 12/13/1983 | CA1158568A1 Frame and cover members for constructing apertures in road surfaces |
| 12/06/1983 | US4419232 Filtering and collecting device for water drains |
| 12/06/1983 | US4419231 Ground surface drainage apparatus |
| 12/06/1983 | US4419230 Apparatus for containing a leakage of PCB compound |
| 11/30/1983 | EP0095141A1 Cap block for a road drain channel |
| 11/23/1983 | EP0094648A1 Method for producing a pot for an underground valve |
| 11/23/1983 | EP0094556A1 Floor drain or other cupped water trap seal |
| 11/22/1983 | US4416546 Buoyancy-responsive device |
| 10/25/1983 | US4411599 Drain fitting with built-in pump |
| 10/12/1983 | EP0049292B1 A gully with possibility for quick cleaning |
| 09/27/1983 | US4406484 Manhole fluid line attachment apparatus |
| 08/30/1983 | CA1152858A1 Sewage pumping station |
| 08/24/1983 | EP0086749A1 Basin having a pivotable flushing bucket and a floatable plunging wall |
| 08/24/1983 | EP0086489A1 Waste water treatment plant |
| 08/18/1983 | WO1983002770A1 Purification installation |
| 08/10/1983 | EP0085306A2 Improvements in or relating to cover and frame assemblies |
| 07/27/1983 | EP0084398A2 Discharge pit having a water trap |
| 07/20/1983 | EP0083588A1 A method and device for reducing the risk of freezing of surface-water pipeline systems |
| 07/06/1983 | EP0082883A1 Arrangement and installation of a water storage tank such as a suction pump chamber, rain or sewage storage tank having an outlet drain beneath the tank |
| 07/05/1983 | US4391288 Method and a device for effecting rinsing of an inverted siphon, which forms part of a sewer |
| 06/28/1983 | US4390421 Separator for low viscosity fluids |
| 06/15/1983 | EP0081038A2 Gully with fluid odour seal |
| 05/18/1983 | EP0034590B1 A method and device for effecting rinsing of an inverted siphon, which forms part of a sewer |
| 05/17/1983 | CA1146441A1 Valve having a ring-shaped, movable valve body |
| 05/11/1983 | EP0078593A1 A system of a shower tray, waste and support |
| 04/20/1983 | EP0076891A1 Apparatus for separating light liquids such as oil and petrol from waste water with a separation tank and a filter |
| 04/14/1983 | WO1983001268A1 A filtering and collecting device for water drains |
| 03/22/1983 | US4377477 Apparatus for equalization of overflow water and urban runoff in receiving bodies of water |
| 03/16/1983 | EP0074034A2 Installation aid for an insert in a waste water drain well |
| 03/09/1983 | EP0073741A1 Apparatus for the regulation of sewage discharge |
| 02/22/1983 | CA1141691A1 Interface unit for vacuum sewers |
| 02/15/1983 | US4373381 Manhole leakage indicator and method for using |
| 02/15/1983 | CA1141180A1 Manhole sewer pipe opening blockout member |
| 02/01/1983 | US4371441 Process and apparatus for the separation of immiscible liquid mixtures |
| 02/01/1983 | US4371437 Fuel sedimentation device |
| 01/25/1983 | US4370227 Vacuum drain facility |
| 01/20/1983 | WO1983000097A1 Method and device for the treatment of a liquid |
| 01/19/1983 | EP0069885A1 Filter with separating action for purifying water contaminated with a light liquid such as oil or petrol |
| 01/18/1983 | CA1139634A1 Siphon well |
| 01/12/1983 | EP0069354A1 Method and apparatus for liquid treatment |
| 01/04/1983 | US4367142 Grate for drainage ducts |
| 12/21/1982 | US4364834 Sedimentation apparatus having an improved skimming mechanism |
| 12/14/1982 | US4363731 Mixed with clear rainwater |
| 12/14/1982 | CA1137326A1 Multi-compartment sump and method and apparatus for making same |
| 12/07/1982 | CA1136952A1 Drain receptacle |
| 11/09/1982 | US4358374 Stripping apparatus for the removal of contaminants floating on a liquid |
| 11/02/1982 | CA1134754A1 Drain cover |
| 09/29/1982 | EP0060901A1 Grating for gutters |
| 09/28/1982 | CA1132431A1 Discharge outlet coupling and guiderail assembly for submersible pumps |
| 09/21/1982 | US4350177 Utility box support |
| 09/15/1982 | EP0016837B1 Coupling structure for water channels |
| 09/07/1982 | US4348158 Sewage pumping station |
| 09/02/1982 | WO1982002913A1 A method and device for reducing the risk of freezing of surfacewater pipe-line systems |
| 08/31/1982 | US4346921 Drainage inspection chambers |
| 08/25/1982 | EP0058648A1 A device for automatic circulation in sewage water pump station |
| 08/24/1982 | US4345998 Plastic catch basin |
| 07/27/1982 | US4341643 Effecting fluid flow to displace solids and sludge on the bottom contoured surfaces for discharging; hydrodynamics |
| 07/27/1982 | US4341236 Sewer manhole channel construction and method |
| 06/15/1982 | US4334991 Baffles for septic tank ports |
| 06/08/1982 | US4333830 Vacuum drain system |
| 06/01/1982 | US4332681 Junction and connection terminal for the service of fixed or mobile premises in particular for the supply of a sanitary unit which may be itself attached to a caravan or a camping-car |
| 05/12/1982 | EP0051316A1 Gulley with a collecting bowl open at the top |
| 04/14/1982 | EP0049292A1 A gully with possibility for quick cleaning. |
| 04/13/1982 | US4324007 Sanitation system particularly for marine craft |
| 03/30/1982 | US4321713 Large capacity drainage receptacle |
| 03/24/1982 | EP0048158A2 Interceptor tank |
| 03/23/1982 | CA1120513A1 Drainage inspection chambers |
| 03/23/1982 | CA1120408A1 Apparatus for clarifying waste water |