Location History:
- Endorf, DE (2009)
- Bad Endorf, DE (2009 - 2013)
- Munich, DE (2012 - 2016)
- Seebruck, DE (2014 - 2023)
Company Filing History:
11 out of 672 
2 out of 190 
Years Active: 2009-2023
Title: Innovative Contributions of Mario Keller
Introduction
Mario Keller, an accomplished inventor based in Bad Endorf, Germany, has made significant strides in the realm of technology and materials science. With a remarkable portfolio of 13 patents, Keller has demonstrated his innovative spirit through unique inventions that enhance various applications.
Latest Patents
Among his latest innovations is a composite glass featuring an intermediate film that changes color depending on the viewing angle. This inventive glass comprises two glass or plastic plates separated by an intermediate foil, allowing it to appear more transparent from the inside than from the outside. This innovative design provides side-dependent appearance modification, making it a versatile choice for modern applications.
Another noteworthy invention by Keller is an apparatus designed for applying security elements. This device includes a transport mechanism for a value document substrate web and a carrier band that facilitates the movement and application of security elements. The apparatus is engineered so that each security element is securely applied to the value document substrate, ensuring heightened security and durability.
Career Highlights
Keller’s career includes significant contributions while working with prestigious organizations such as Giesecke & Devrient GmbH and Giesecke+Devrient Currency Technology GmbH. His tenure at these companies allowed him to develop cutting-edge technologies and strengthen his expertise in security features and innovative materials.
Collaborations
Throughout his career, Keller has collaborated with several talented individuals, including his coworkers Theo Burchard and Lars Hoffmann. These collaborations have fostered an environment of creativity and innovation, further driving the development of impactful inventions.
Conclusion
Mario Keller stands out as a notable inventor whose work has contributed to advancements in material technology and security applications. With a total of 13 patents, his innovative spirit and collaborations indicate a promising future for continued contributions to the field.