Rotary valve and method of operating it
Rotary valve apparatus
Rotary valve for handling solid particulate material
Rotary valve for particulate materials
Rotary valve with improved sealing means
Rotary vane gate
Rotary vane valve
Seal for compressed air line drain device
Sealing structure for rotary valves
Sealing structure for rotary valves
Sealing structure for rotary valves
Seed planter attachment for garden plow
Self-contained measuring and dispensing device
Self-measuring condiment cap
Slide dispenser apparatus
Soap dispenser
Spoil removal devices for tunnelling machines
Tip-over drum
Universal reagent dispenser
Valve rotor