Scavenging apparatus

Scum drag

Scum removal system for liquid treatment tank

Sea cleaning and oil recovery vessel termed "scor-vessel"

Self leveling skimmer

Self-floating cover system for a body of water

Separating one liquid from another

Separator vessel

Sewage settling tank

Sewage settling tank

Shallow water oil-skimming barge

Skimmer

Skimmer apparatus for sewage settling tanks and the like

Skimmer for oil spills

Skimmer for removing the surface layer from a stretch of liquid

Skimmer having a retractable dynamic inclined plane

Skimmer system

Skimming apparatus

Skimming apparatus

Skimming weirs