Himmelwerk Hoch- und Mittelfrequenzanlagen GmbH

Himmelwerk Hoch- und Mittelfrequenzanlagen GmbH is an electrical engineering manufacturer founded in 1879 and located in Tübingen, Germany. The company builds high- and medium-frequency induction heating equipment with output frequencies spanning 2 kHz to 3000 kHz and power ratings reaching 250 kW. Its converters support thermal processes including hardening, annealing, tempering, soldering, brazing, forming, joining, melting, forge heating, drying, and coating. The systems handle metals such as steel, aluminium, copper, brass, and titanium, as well as non-metallic materials including graphite, molten glass, and fibre plastics. The firm reports more than 70 years in induction technology and over a century in industrial electronics manufacturing, and participates in research projects including the ITER nuclear fusion programme.