Emil Deister, Deister Machine Co.

Emil Deister, the founder of Deister Machine Co., served as the company’s president and general manager from 1912 until his death in 1961. Under Deister’s leadership, the company began manufacturing vibrating screens in 1926 for the separation of materials according to particle size. Seven years later, Deister introduced a special screen for sizing the aggregate used in hot-mix asphalt plants, and the company subsequently added vibrating feeders and foundry equipment.