Profile: Geo Robson & Co. (Conveyors) Ltd. manufactures screw conveyors, belt conveyors, bucket elevators, vibro feeders, vibro screens, and baggage handling systems. Screw conveyors are used to convey, mix, feed, and elevate. With the bespoke construction of the screw conveyor, it is possible to have multiple in-feeds and a single out-feed.