Frank Früngel manufactures with his company "Geräteentwicklung Danzig GmbH" the first commercial Capacitance Discharge Welding Machines (20KWs)

The company moves to Hamburg and manufactures under the name "Dr.-Ing. Frank Früngel GmbH" Capacitance Discharge Welding Machines with higher energy (up to 50KWs)

The Company moves to Hamburg-Rissen and changes the name to "IMPULSPHYSIK GMBH"

Due to age Frank Früngel sells IMPULSPHYSIK GMBH to Salzgitter Elektronik GmbH, a daughter company of Preussag AG.

Salzgitter Elektronik GmbH merge with Hagenuk GmbH, another daughter company of Preussag AG

ex-manager of IMPULSPHYSIK formed the impuls Schweißtechnik GmbH and take over the industrial product line from Hagenuk GmbH.

a new company named IST Impuls-System-Technik GmbH forms. Main issue is the further development of the Capacitor-Discharge-Welding process, so to extend the applicability of the welding system for the high energy segment, especially for the vehicle building industry.

2009

the company pulse welding gmbh was established by the Swiss corporation group UNITALIS AG, to which belongs the companies Resistronic AG and Mechtronik AG in CH-Turgi. By the employment of all employee of the former company IST GmbH has the new company the entire know-how for development and sale for capacitor discharge welding machines of the upper performance class, starting from 2000 Joule and thereby complet the assortment of the welding machine range of the company Resistronic AG with < 2000 Joule. The production of the components happens majority by Mechtronik AG in Turgi.