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1919 - FoundationEng. Carl Cloos founds Carl Cloos Schweisstechnik in Siegen-Weidenau and starts to manufacture acetylene gas generators and oxyacetylene welding torches. |
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1948 - New production lineThe company starts to manufacture welding power sources for stick electrodes. |
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1956 - CLOOS does pioneer workLaunch of the first CO2 shielded gas welding machine by Eng. Erwin Cloos. |
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1958 - Beginnings of automated weldingIntegration of welding power sources in manufacturing systems – the foundation for automated welding. |
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1968 - A new welding power sourceDevelopment of the first pulsed arc welding machines - an important step for automated robot welding. |
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1978 – A new age of welding technologyFirst use of robot system technology for gas shielded arc welding. The triumph of robot welding begins. |
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1981 - Beginning with robot productionConstruction and production of industrial robots in-house. The brand name ROMAT ® is born. |
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1981 - Welding with new qualityDevelopment of a spatter-free and transistor based pulsed arc welding power source. |
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1986 - CLOOS develops its own robot controlIntelligent robot welding: development and production of controllers for industrial robots under the brand ROTROL ® . |
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1992 - A milestone in welding technologyDispatch of computer-controlled and programmable welding power sources of the QUINTO series. |
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1996 - CLOOS out in frontDistribution of the TANDEM welding technology. Worldwide market leadership to this day. |
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1996/97 - Generation changeNew MIG/MAG arc welding power source MC3 with computer-controlled power programming. |
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2001 - New robot controlRobot welding becomes convenient: Novel ROTROL ® II robot control with touch screen on the teach pendant. |
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2002 – New welding robot mechanicsMore dynamic, more precise, broader reach: due to the newly developed ROMAT welding robot mechanics. |
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2003 – Robot compact cellsA complete welding robot plant on minimal space: the robot compact cells Z1 to Z6. |
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2004 - Laser hybrid process – Ready for series productionCarl Cloos Schweisstechnik makes the MSG laser beam hybrid welding process ready for the market. |
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2006 - Pulsed arc welding at high speedCold Process (CP) - the innovation in thin sheet welding. Launched together with the arc welding power source GLC 353 QUINTO CP. |
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2008 – QINEO® The new generation of welding power sourcesQINEO ® are high-quality power sources especially developed for commercial and industrial use. |


























