Disc screen apparatus
Disc screen apparatus with air manifold
Disc screen classifier
Disc screen construction
Disc screen for material separation
Disc screen separator device
Disc screen with controlled interfacial openings
Disc separator
Disc singulator
Discharge chute with variable slope bottom for fragile article s
Discriminating apparatus for printed matter
Disk screen apparatus, disk assemblies and method
Disk screen or like shaft assemblies and method of making the sa
Disk screen with compressible spacers and flanged surrounds
Disk screen with decreasing size of slot openings, and method
Disk screen, modular disk assembly and method
Displacement error correction in sorting systems
Disposal system foe use in tall buildings
Distinguishing elongated articles according to their shape
Distribution installation for moving piece goods