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About CLOOS
Since 1985, CLOOS North America has been providing customized automated welding solutions throughout North America as a subsidiary of Carl Cloos Schweisstechnik GmbH, Haiger, Germany, founded in 1919 and represented in 40 countries.
CLOOS pioneered tandem wire welding and has more than 100 years of innovation history. In North America, we continue to advance the CLOOS legacy, delivering high-quality welding equipment and systems backed by a global organization.
At CLOOS, we bring expert welding know-how to solve your welding production challenges.
Reliable Custom Welding Solutions
Renowned German engineering ensures the quality and reliability of our products from manual welding machines and cost-effective compact welding cells to complex welding automation lines. We develop, design, and manufacture custom solutions. All our systems and components are tested in-house prior to installation to fulfill our commitment to delivering efficient, safe, and reliable solutions.
Our History
Explore the history of CLOOS since 1919: Ongoing contributions to advancing welding technology.
1919
CLOOS is founded
Engineer Carl Cloos establishes Carl Cloos Schweisstechnik and begins manufacturing gas generators.
1956
MAG welding debuts at the Hannover Fair
CLOOS introduces the first controllable welding power source with continuous welding wire.
1968
Pulse welding power source
Development and production of the first pulsed arc welding machines - a significant step toward automation.
1978
Introduction of robotic welding
The first use of robot technology for gas-shielded arc welding.
CLOOS starts building and producing industrial robots, and the ROMAT brand is born.
1985
CLOOS USA is established
Sales activities expand from the Schaumburg location.
1992
QUINTO: A breakthrough in welding technology
Release of computer-controlled and programmable welding power sources.
1996
CLOOS TANDEM
Introduction of TANDEM welding technology, leading to global market leadership.
2001
Touch screen robot controller and laser hybrid welding
Introduced the first touch-screen on the ROTROL II robot controller.
Introduction of laser hybrid welding.
2009
QIROX: The first 7-axis robot and modular robot system kit
Peripheral equipment for welding robot systems becomes fully modular.
Comprehensive robot welding solutions, including robot technology, software, sensor technology, positioners, and process technology.
2017
Innovation across the board
MoTion Weld: Controlled short arc with reversing wire drive unit.
QINEO NexT: New generation of high-end inverter welding power sources.
QIROX QC & QS2: Launch of new controller generation.
2019
100th Anniversary and Industry 4.0
CLOOS celebrates a century of pioneering advancements.
C-Gate leads the digitalization of welding technology.
2023
QIROX ExperT
Launch of the modular kit for welding automation worldwide.
2024
Ribbon cutting of new North American Headquarters in Schaumburg, Illinois
