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Loeffler Engineering Group (LEG). LEG is an engineering firm specializing in the handling, transport, storage and loading of unit and bulk materials by conveyor systems. LEG was founded in 1991.

We specialize in the design of materials handling systems and conveyors of various types including: belt, roller, slider, overland, pipe, steep angle, screw, drag, bucket elevators and pneumatic. We also design the specialty mobile machines, (track, rail, and wheel mounted) such as: stackers, reclaimers, snow loaders, mobile screening plants, self-unloading trains, self-unloading ships, ships unloaders and shiploaders. Our design experience also includes auxiliary process equipment such as: truck & rail car loading and unloading systems, thaw sheds, dust collection & suppression systems, feeders, bins, hoppers, scales, mixers, screens and crushers.

Some of the industries for which we have applied these systems include: power, mining and quarrying, aggregate, grain, aluminum, steel, minerals processing, cement, pulp & paper, ports & intermodal terminals, chemical plants, concrete block and brick, ore heap leaching, refineries, hazardous waste, recycling & composting.

Additionally, we have provided expert reports, opinions & testimony for cases involving antitrust, plant asset reappraisal, conveyor injuries, product liability, guarding, confined space, code compliance, equipment failures, patent infringement, conveyor fires, and dust explosions. We have also conduct plant safety inspections.

Frank J. Loeffler Jr., P.E. is a licensed engineer in six states. He is the past chairman of the ASME B20.1 Conveyor Safety Committee and The CEMA Bulk Safety Committee.