A back-water trap for a floor drain system
A device for anchorage to a grating floor
A device in a waste water system and a method for...
A device in draining gutters
A drainage assembly
A draining gutter
A flexible joint for a culvert
A floating skimmer
A stormwater gully
A vacuum unit and a vacuum toilet system comprising such a unit
Absorber for a pipe construction or channel construction and...
An arrangement in a drain system and a method for taking...
Animal control gate for culverts and the like
Apparatus and method for connecting a saddle for a branch...
Apparatus and method for controlling operation of storm...
Apparatus for controlling flow of waste liquid into a...
Apparatus for dredging divided solids submerged in liquid
Apparatus for flushing in a liquid system
Apparatus for flushing sewers
Apparatus for installing pipeline fill