Sediment raking device
Sedimentation apparatus having an improved skimming mechanism
Sedimentation removal assembly for flow-through sedimentary...
Sedimentation tank having a rotary rake structure
Sedimentation tank with raking structure
Sedimentation tank with rotary yieldable rake arm structure
Self-cleaning mud pit
Settled solids removal mechanism
Settling tank sludge collector
Sewage collector flight
Skimmer for square settling tanks
Skimmer mechanism for rectangular basin chain and flight
Sludge collecting apparatus
Sludge collector with entrapment plate
Sludge flight support rail assembly
Sludge removal suction header
Sludge removal system
Sludge scraper apparatus
Sludge scraper mechanism
Sludge scraping and collecting apparatus