Device for use in e.g. fork lift truck for lifting e.g. cement covers utilized for covering pits in streets, has hitch unit fastened at upper side of support pairs, and movable profiles for connecting support pairs with each other
CH703152B1
Filter system for use in e.g. container for cleaning and separating sand from rain water, has base plate bent with respect to horizontal axis, where plates of filter are parallelly arranged on base plate
CH702702B1
Device for discharging sewage treatment plant during rain with an overflow, comprises a container with an inlet opening and an outlet opening for wastewater, where a main channel is arranged between the inlet opening and the outlet opening
CH692955A5
Closure is for floor opening of rainwater retention of waste water basin and involves frame extending around opening and at least one pivotable cover linked to frame and swivelling around horizontal axis
CH692989A5
Railings for an opening in the ground comprise posts rotatably fixed at the lower end to parallel axles, and guiding and holding devices molded on the free ends of longitudinal traverses
EP0845561A2
Wave flushing for reservoirs, conduits and sewers
CH692707A5
Safety closure for accessible cover for rain and waste water installations beneath road surface comprises beam located on cover under side, laterally withdrawable from it and secured by lock against axial movement
CH692156A5
Immersion wall arrangement for rain captation basins and high water discharge installations comprises cross-beam installable on overflow edge of overflow wall
CH691320A5
Device for adjustment of outflow quantity and build-up height of rainwater from roofs and other surfaces comprises basic body with eddy throttle at lower end having inwardly bent lobes
DE19635176A1
Device for continuously removing sand
CH691321A5
Entry for rainwater tank comprises stairway held horizontally when not in use and pivotable to inclined usage position
DE19621041A1
Anchoring pile for fence for amphibious animals
CH689807A5
A device for preventing the backflow of waste water.
CH690918A5
Overflow channel.
CH691078A5
Gate valve guide in rain and waste water basins.
CH689644A5
Amphibians exit for a collector or Entwaesserungsschacht.
