Pre-screening element for pneumatic particle transport systems

Precision dispensing of ultra-fines via a gas medium

Pressure regulation apparatus including cooperating valve member

Pressure-reducing device for particulate material

Pressurized hopper car

Process and apparatus for introducing a solid into a reactor

Process and apparatus for selectively gathering lightweight low

Process for increasing the quantity of powder dispensed in a pow

Process for introducing a solid catalyst into a fluidized or...

Process for the pneumatic transfer of a pulverulent material

Quik-loc end arrangement for pneumatic outlet gates

Railroad hopper car outlet gate end tube assemblies

Remotely positioned intake apparatus for a pneumatic conveying s

Reservoir for powdery media

Reservoir for powdery media

Rock duster apparatus

Rohrpoststation (pneumatic-tube station)

Rotary plate feeder

Scrap collection system

Seed hopper construction with centrifugal blower-filler