Powder delivery system
Pressure regulation apparatus including cooperating valve member
Rohrpoststation (pneumatic-tube station)
Seed hopper construction with centrifugal blower-filler
Self-cleaning slidable cover and track assembly for pneumatic ca
Single line pneumatic tube system
Single line pneumatic tube system
Slurry conveying system
Slurry conveyor system
Slurry recovery from a circular sump
Slurry system for wasting fly ash having nonleachable, self-sust
Solid transfer apparatus
Solids conveying system for compacted, friable solids that can n
Transfer system for dry flowable material
Venturi barge unloading system
Visual customer terminal construction for pneumatic tube banking