Company Filing History:
2 out of 55 
1 out of 1 Years Active: 2001-2012
Title: The Innovative Contributions of Stefan Sonntag
Introduction
Stefan Sonntag is a notable inventor based in Duisburg, Germany. He has made significant contributions to the field of metal processing through his innovative patents. With a total of 3 patents, Sonntag has developed methods that enhance the efficiency and effectiveness of metal strip processing.
Latest Patents
One of Sonntag's latest patents is a method of and apparatus for splicing metal strips. This invention involves overlapping the leading end of an upstream metal strip with the trailing end of a downstream strip, followed by friction welding the overlapping ends together at multiple spots to create strong spot welds. Another significant patent is for a method and apparatus for contactless planarity measurements on ferromagnetic metal strips. This technology allows for the contactless determination of planarity during the transit of the strip through processing lines. By measuring the tangential magnetic field strength, Sonntag's method evaluates the residual intrinsic stress distribution, thereby determining the planarity of the strip.
Career Highlights
Throughout his career, Sonntag has worked with prominent companies such as Bwg Bergwerk-und Walzwerk-Maschinenbau GmbH and its USA branch. His experience in these organizations has contributed to his expertise in metal processing technologies.
Collaborations
Some of Sonntag's notable coworkers include Dieter Baukloh and Rolf Noé. Their collaboration has likely fostered an environment of innovation and creativity in their respective projects.
Conclusion
Stefan Sonntag's contributions to the field of metal processing through his patents demonstrate his commitment to innovation. His work continues to influence the industry and improve metal processing techniques.