Location History:
- Seyssinet-Pariset, FR (2007)
- Seyssinet, FR (2008)
- Grenoble, FR (2024)
Company Filing History:
2 out of 2 
1 out of 3,559 
1 out of 1 Years Active: 2007-2024
Title: The Innovations of Jean-Marie Gentzbittel
Introduction
Jean-Marie Gentzbittel, an esteemed inventor located in Grenoble, France, has made significant contributions to the field of material science. With a focus on innovative methods, his research primarily aims at enhancing the properties of steel and super alloys through advanced oxidation techniques. His invention showcases not only his expertise but also his commitment to driving progress in this vital area of engineering.
Latest Patents
Gentzbittel is the holder of a notable patent titled "Method for forming a layer of single-phase oxide (Fe, Cr)O with a rhombohedral structure on a steel or super alloy substrate." This patent outlines a unique method that involves several critical steps:
1. Supplying a steel or super alloy substrate with a minimum of 2 wt.-% chromium and covered with a surface layer.
2. Removing the surface layer in an oxygen-rich atmosphere, leading to a significant micro-deformation in the crystal lattice of the substrate.
3. Heating the substrate at a rapid rate exceeding 400° C/s to develop a layer of rhombohedral oxide (Fe, Cr)O.
4. Conducting a thermal treatment under controlled conditions to grow the oxide layer to a specified thickness of 70 to 150 nm.
This innovative method is essential for various industrial applications, particularly in enhancing the durability and performance of material components.
Career Highlights
Jean-Marie Gentzbittel has established himself as a prominent figure in materials engineering through his work at Mannesmann Precision Tubes France. His dedication to research and development has led to significant advances in the field and has positioned him as a key contributor to the industry. His skillful application of scientific principles in practical contexts exemplifies the role of inventors in driving technological advancements.
Collaborations
Throughout his career, Gentzbittel has collaborated with fellow professionals, including his coworkers Olivier Raccurt and Olivier Sicardy. These partnerships have enriched his research endeavors and have led to the exchange of ideas that fuel innovation. Collaboration is an essential element in the world of invention, allowing diverse expertise to converge in creating impactful solutions.
Conclusion
Jean-Marie Gentzbittel’s work represents a remarkable blend of theoretical research and practical application. His patented method for forming a single-phase oxide layer reflects his innovative spirit and dedication to enhancing material properties. As he continues to contribute to the field, Gentzbittel's efforts serve as an inspiration for current and future inventors in the realm of materials engineering.