Patents
Patents for E03F 5 - Sewerage structures (11,230)
07/1988
07/28/1988DE3744599A1 Installation for the decentralised supply to inhabitable buildings and waste disposal from these
07/27/1988EP0275453A1 Manhole shaft
07/26/1988US4759656 Construction of a manhole chimney
07/19/1988US4758133 Pumping system
07/14/1988DE3700055A1 Process and apparatus for the jet cleaning of a stormwater tank
07/12/1988US4756827 Liquid flow drainage control
06/1988
06/21/1988CA1238196A1 Drop manhole precast encasement
06/16/1988DE3742107A1 Shaft for drainage lines
06/14/1988US4750868 Pump with continuous inflow and pulsating outflow
06/09/1988DE3640339A1 Process and apparatus for producing reservoirs for a drainage system
06/01/1988EP0160641B1 Pump station
06/01/1988DE3639285A1 Floor gulley
05/1988
05/25/1988CN87211933U Water collecting well cover with movable dust-proof board
05/25/1988CN87210983U Discharge and ventilation cover for building construction
05/24/1988US4746127 Adjustable clamping band for gaskets and method for using same
05/18/1988EP0267182A1 Safety device
05/17/1988US4744109 Gas-sealing insert for floor drains
05/11/1988DE3638114A1 Pipeline, which is arranged in a receiving watercourse and is intended for sewage and/or receiving water, for retaining sewage
05/10/1988US4742585 Tub box
05/05/1988WO1988003201A1 A device for water drains and a filter means for use with same
05/05/1988DE3637063A1 Covering for discharge channels
04/1988
04/27/1988EP0264877A2 Device for separating and retaining undissolved hydrocarbons from water
04/27/1988CN87208282U Turnable rake grid cleaner
04/26/1988US4739524 Floor drain apparatus
04/21/1988WO1988002799A1 Floor drain
04/21/1988DE3733525A1 Device for the aeration and deaeration of shafts, containers, rooms or the like loaded with harmful gases
04/20/1988CN87201534U Liftable theft-defence road drain grid
04/14/1988DE3633839A1 Apparatus for eliminating sediment in syphons
04/12/1988US4736968 Coupling device for coupling a hose to a drain pipe
04/12/1988US4736869 Submersible sealed housing
04/07/1988WO1988002423A1 Water reservoir
04/07/1988WO1988002422A1 Buffer tank with alveolar structure for retaining and regulating natural waters
04/07/1988DE3632189A1 Pressure tunnel
03/1988
03/30/1988EP0261946A1 A screening assembly
03/23/1988EP0260256A1 Light liquid trap
03/17/1988DE3630103A1 Apparatus for ventilating a sewerage pressure pipeline
03/16/1988EP0259765A1 Prefabricated part made of concrete or concrete steel
03/16/1988EP0259547A1 Device for removing debris from a flowing sewage liquid
03/01/1988CA1233328A1 Telescopic column pipe to be located in the ground
02/1988
02/25/1988DE3628437A1 Light liquid separator
02/25/1988DE3627808A1 A sewage cleaning pipe provided for installation into a concrete shaft
02/25/1988DE3627807A1 Discharge fitting for a tiled floor of a sanitary shower
02/18/1988DE3630914C1 Apparatus for improving the response behaviour of a mechanical discharge control system
02/18/1988DE3627148A1 Concrete tank
02/16/1988US4725006 Apparatus for conveying sewage
02/09/1988CA1232511A1 Device for controlling the flow in a pipe system
01/1988
01/28/1988DE3624358A1 Means for producing turbulent flow in sewage
12/1987
12/23/1987DE3620602A1 Apparatus for discharging sludge from a liquid tank
12/17/1987DE3620182A1 Floor gully
12/10/1987DE3619405A1 Device for sealing beneath damp rooms
12/10/1987DE3619318A1 Throughflow regulator
12/09/1987EP0248430A2 Gutter
12/09/1987EP0248427A2 Gutter
11/1987
11/26/1987DE3617111A1 Process for keeping clean rectangular stormwater overflow tanks and apparatus for carrying out the process
11/17/1987CA1229329A1 Shaping element for manhole opening and gasket
11/11/1987EP0244765A2 Method for separating solid substances from faecal sludge, and device for carrying out this method
11/04/1987EP0244351A1 Mounting arrangement for a tipping flushing vessel
11/03/1987US4703956 T-fitting for use with different diameter pipes
10/1987
10/29/1987DE3613665A1 Light-liquid separator
10/27/1987US4702274 Quick disconnect for sewage system
10/27/1987US4702271 Flow-control device
10/15/1987DE3612288A1 Oil separator
10/01/1987DE3610737A1 Flushing dump
09/1987
09/24/1987DE3620132A1 Balcony discharge pipe (floor discharge pipe) with a covering grille and an additional odour-sealing element
09/22/1987US4694854 Device for regulating the discharge of fluid from a container
09/22/1987US4694513 For use in a floor
09/16/1987EP0237481A2 Hydraulic siphon for a spillway of a hydraulic structure
09/15/1987US4693482 Molded elastomeric circular gasket
09/10/1987DE3607353A1 Sewage lifting unit
09/09/1987EP0235767A2 Blocking device for liquids
09/02/1987CN86204772U Deodorising device for urinal
08/1987
08/26/1987EP0174968B1 Plant for the treatment of road waste waters
08/26/1987CN86104352A Reclaimer for sludge of sewer
08/25/1987US4689145 Dry well filtration system
08/20/1987DE3604856A1 Inspection and flushing means on a sewage line
08/13/1987DE3604262A1 Device for delaying the discharge of, in general, rainwater into receiving-water systems
08/11/1987CA1225384A1 Variable flow control valve
08/04/1987US4684467 Oil separator
07/1987
07/23/1987DE3601094A1 Device for drawing off a constant water quantity from a basin
07/22/1987EP0229624A2 Apparatus for removal of floating sewage from the surface of liquids
07/21/1987US4681688 Tubular trash net for pre-treating sewage, with replaceable net cassette
07/15/1987EP0228520A1 Separator, particularly for fats from water
07/14/1987US4679991 Submersible pump and wastewater basin apparatus
07/14/1987US4679595 Device for controlling the flow in a pipe system
07/09/1987DE3610627C1 Restrictor shaft for the regulated discharge of retained water quantities, in particular drainage-water quantities
06/1987
06/16/1987EP0225506A1 Separator for light liquids
06/11/1987DE3640847A1 Process for disposing of waste from fat separator units
06/04/1987DE3542529A1 Pneumatic sewage-lifting installation
05/1987
05/21/1987DE3538804A1 Gulley for interior and exterior structural surfaces exposed to liquids
05/14/1987DE3540269A1 Process and device for providing retaining areas for sewage, in particular in the town-drainage system sector
05/13/1987EP0221349A2 Regulation device
05/12/1987US4664792 Water buffer separated from water recipient by flexible curtain
05/06/1987EP0221034A1 Pump with continuous inflow and pulsating outflow
05/05/1987US4663036 Septic system drop box with seal apparatus therefor
04/1987
04/30/1987DE3534921A1 Combined stormwater-retention and oil-collecting tank
04/28/1987US4661008 Joint structure for channels
04/23/1987DE3628550A1 Apparatus for collecting and for periodically channelling a quantity, which is to be measured out, of sewage, which is to cleaned, into an individual sewage treatment plant
04/23/1987DE3536993A1 Cellar gulley
04/23/1987DE3536053C1 Apparatus for closing off building openings with respect to water pressure prevailing from the outside
04/16/1987DE3536616A1 Odour seal for gulleys