Patents
Patents for E03F 5 - Sewerage structures (11,230)
10/1994
10/27/1994DE4312785A1 Ground gully, floor gully or roof gully
10/26/1994CN2180700Y Road drainage well structure
10/26/1994CN2180317Y Sewage treatment device with removing device for accumulated dirt
10/26/1994CN1094111A Waste water pump station
10/25/1994US5358002 Sewer chimney system
10/19/1994EP0620330A1 Bar for grating suitable to walk on
10/19/1994EP0620329A1 Flow regulator particularly for rainwater receiving basin
10/12/1994EP0619131A1 Light liquid separator with automatic shut-off
10/11/1994US5354465 Large capacity filter system
09/1994
09/29/1994DE4407380A1 Combined apparatus for separating off solids and fats
09/29/1994DE4322036C1 Sludge trap unit
09/29/1994DE4309219A1 Ground gulley
09/28/1994EP0617176A1 Separator for separating mixtures of liquids
09/28/1994EP0616823A1 Separator for separating mixtures of liquids
09/28/1994EP0616659A1 Method and device for controlling a flow of fluid
09/22/1994DE4409375A1 Securing device for an overflow weir in a waste-water (sewage) disposal tank
09/22/1994DE4308333A1 Cleaning device for cleaning water flowing in a channel
09/21/1994EP0615776A1 Oil separators
09/21/1994CN2177758Y Glass fibre reinforced plastic gully grating
09/21/1994CN2177757Y Integrated sewage treating tank
09/15/1994WO1994020697A1 A device in draining gutters
09/15/1994CA2157515A1 A device in draining gutters
09/14/1994EP0614397A1 Sewage water installation with an incorporated screening unit.
09/08/1994DE4338085A1 Filter device for a shaft for receiving liquids
09/08/1994DE4306807A1 Low-viscosity-liquid separator
09/06/1994US5344085 Vacuum drainage system
08/1994
08/31/1994EP0612893A1 Elevating device for floor drains
08/30/1994US5341826 Apparatus for compressing and washing contaminated raked-off or screened material, particularly in sewage treatment plants
08/30/1994US5341523 Anti-vortex drain
08/25/1994DE4305494A1 Ground gully with protective sheath
08/25/1994DE4305148A1 Gully
08/23/1994US5340469 Apparatus for removal of fat, oil and grease from laundry wash water
08/23/1994US5340232 Manhole cover
08/18/1994WO1994018418A1 Lined manhole assembly and liner
08/18/1994WO1994018414A1 High flow drains
08/18/1994WO1994017896A1 An apparatus for the separation of solids from flowing liquid
08/18/1994WO1994017890A1 An apparatus for drainage of oil and water from a surface, especially from the deck of a tanker
08/18/1994DE4304867A1 System for separating light liquids from water loaded with such liquids
08/18/1994DE4303827A1 Bore-sealing ring
08/18/1994CA2155838A1 Lined manhole assembly and liner
08/17/1994EP0611269A1 Sewage pump station
08/17/1994EP0610612A1 Water permeable ditch cover
08/16/1994US5337789 Vortex valves
08/13/1994CA2089420A1 Inlet control device
08/11/1994DE4403154A1 Water-discharge installation arranged at a considerable depth beneath the ground, and method of operating the installation
08/04/1994DE4302932A1 Rain water treatment basin
08/03/1994CN2173288Y Grate for sewer
07/1994
07/28/1994DE4313097C1 Floor or roof outflow
07/28/1994DE4240057A1 Installation for collection of water-pollutant liqs from roadway
07/27/1994EP0607349A1 Water retaining reservoir structure
07/26/1994CA1330957C Device for removing material screened or filtered out of a liquid flowing in a channel
07/21/1994WO1994016159A1 A distributing and regulating unit
07/21/1994DE4322096A1 Drain with pipe coil odour trap
07/21/1994DE4301226A1 Oil and water separation
07/21/1994DE4301152A1 Compact separator - has round housing to contain sludge settling and light matter separations sections and sampling section
07/20/1994EP0606606A1 Drainage gutter for flat roofs and terraces
07/14/1994DE4300709A1 Vehicle washing station waste water cleaning process
07/13/1994EP0605792A1 Surface drainage device
07/06/1994CN2170979Y Centrifugal spiral dewatering machine
06/1994
06/30/1994DE4244457A1 Cleaning of sepn. container in gravitational cleaning of waste water
06/28/1994US5323804 Bug-proof and odor-proof draining outlet structure
06/23/1994DE4337147A1 Shaft manhole cover with frame and lid
06/23/1994DE4305511C1 Biological mechanical waste water and sewage cleaner
06/23/1994DE4243271A1 Rod sieve calibration for screw press separators
06/23/1994DE4242519A1 Floating matter separator
06/21/1994CA1330365C Apparatus and method for controlling operation of storm sewage pump
06/16/1994DE4335112A1 Underground inspection shaft prefab. concrete parts - have structure on profiled outer surfaces for traffic load dissipation
06/16/1994DE4241706A1 Drainage ditch with cover securable to ditch body in earth - has cover fastener with clamping spring on ditch body and lug on cover
06/16/1994DE4241705A1 Channel for draining surface
06/16/1994DE4241450A1 Rain overflow construction for controlling water level in canal - has weir flap swivelable at horizontal axis and opening as water level before flap increases and hydraulic cylinder provided to swivel weir flap at its pivot pin
06/15/1994EP0601447A1 Surface drainage device
06/15/1994EP0601446A1 Locking device for a drainage device
06/15/1994EP0601445A1 Surface drainage device
06/15/1994EP0521888B1 Method and apparatus for removing grit from sewage
06/15/1994EP0512027B1 Floor drain
06/14/1994US5320445 Grate riser assembly for use with catch basins and the like
06/11/1994CA2111132A1 Means for securing a cover over a drainage channel
06/11/1994CA2111131A1 Surface drainage apparatus
06/11/1994CA2111128A1 Surface drainage apparatus
06/11/1994CA2111127A1 Surface drainage apparatus
06/09/1994DE4305354C1 Separator for oil-water liquid mixture - has integrated sampling device in upper part of clear water outlet, and cover spring-biased into closed position
06/08/1994EP0454794B1 Vacuum drainage system
06/01/1994EP0530203B1 Improvement in a sewage system
05/1994
05/25/1994EP0598322A1 Separator
05/19/1994DE4321075A1 Sewage and waste water grease separator assembly - includes conversion set to allow removal and disposal of grease in small and manageable charges
05/19/1994DE4315501A1 Waste-water trap for removal of both dense and floating solids - comprises additional partitioned separator vessel connected to trap vessel via its overflow pipe, etc.
05/19/1994DE4314673C1 Worm drive axis - is positioned above and at a distance from the axis of the surrounding rotating sepn. surface
05/19/1994DE4238061A1 Drain with insert installed in floor - has fastener, which is moved by eccentric adjusting drive
05/19/1994DE4238059A1 Drain set in floor - has plug-in removable anti-flooding valve in plug seat with siphon trap
05/17/1994CA1329557C Liquid waste separator
05/11/1994WO1994010398A1 Stormwater discharge regulator
05/11/1994EP0596052A1 Method and inlet device for feeding flat sand traps and settling tanks.
05/11/1994DE4335599A1 Appts. for removal of pollutants from water in drainage pipes
05/11/1994DE4243171C1 Grit trap esp. for clarification plant - avoids sludge formation at low and normal throughputs
05/06/1994CA2082249A1 Drainage structure with integral elbow
05/05/1994DE4335339A1 Cover for road gully - has hinges, which are vertically adjustable in guides in frame
05/05/1994DE4237212A1 Waste or rain water swirl tank - has discharge-accelerating baffle to prevent solids deposition
04/1994
04/28/1994DE4318522A1 Device to charge basin for sepn. process or sewage treatment - has drop tube with structured trumpet mouth expansion for a Coanda effect on material passing into circular basin
04/28/1994DE4236193A1 Underground-drain access shaft - is in plastic annular sections forming double wall filled with free-flowing and hardening material
04/27/1994EP0594548A1 A device for providing automatic circulation in a waste water pump