Sand reclamation and purification

Scoring and breaking device with a carrying case therefor

Screeder

Screen printing shaped articles

Sealing assembly for molds used for casting sanitary fixtures

Sealing of refractories

Sealing-curing agent for protecting concrete against initial...

Sectional bar usable as a concrete surface casting ruler

Segmented auger for a concrete dispensing apparatus

Selective sealing of the ends of parallel channels in...

Self-aligning mold box assembly

Self-clamping vibrator and track mount therefor

Self-cleaning molding apparatus and method for forming...

Self-contained waler clamp assembly

Semi-automatic hacking machine

Semi-automatic plant for manufacturing shaped concave...

Separating agents for hydraulic binders

Set modifying admixtures for refractory shotcreting

Shaped article and method, composite material and apparatus...

Shaped ceramic composite and method