Foundation of the engineering office Egon W. Könn, VDEh in Ketsch/Rhine.
Thermal technical design of steelmaking furnaces, development of advanced theoretical principles on convective thermal transfer for thermal processing plants with forced air circulation.
Development and construction of roller hearth furnaces for the thermal treatment of reinforcement steel mats.
Fundamental work and publications on thermal treatment, energy use and process automation.
Foundation of Könn GmbH
Supplier of hot test furnaces from the STE series to well-known testing equipment manufacturers
First export order: 14 furnaces for the Royal Thai Navy repair yard in Bangkok
Attendance for the first time at the world’s largest trade fair for industrial furnace production “Thermprocess” in Düsseldorf; Könn introduced the first PC-supported furnace process control system, Thermosoft
Relocation to a new production hall in the Ketsch-Ost business park
Completion and occupation of a new office building
Dipl.-Ing. Michael Könn is appointed managing director
Relocation to a new, larger production site in the Ketsch-Süd business park
Renaming and takeover of business by KÖNN Thermoprozesstechnik GmbH