Location History:
- Montmagny, FR (1986)
- Ezanville, FR (1994 - 2023)
Company Filing History:
14 out of 1,223 
4 out of 420 
2 out of 191 
Years Active: 1986-2023
Title: **Marc Rehfeld: A Pioneer in Vibroacoustic Damping Innovations**
Introduction
Marc Rehfeld, an accomplished inventor based in Ezanville, France, has made significant contributions to the field of innovation, particularly in the realm of vibroacoustic damping technologies. With a remarkable portfolio of 25 patents to his name, Rehfeld's work exemplifies the intersection of functionality and acoustic performance in materials.
Latest Patents
Among his most notable patents is the development of a viscoelastic plastic interlayer designed for vibroacoustic damping applications. This interlayer can be incorporated between two glass sheets to form laminated glazing with enhanced sound-dampening properties. The patent outlines specific performance criteria, including a resonant frequency range of 760 Hz to 1000 Hz, and a loss factor of at least 0.25, determined through mechanical impedance measurements. Another significant patent focuses on a method for selecting interlayers for vibroacoustic damping, emphasizing the precise measurement of shear modulus and the strategic selection of materials to ensure optimal acoustic performance.
Career Highlights
Marc Rehfeld's professional journey includes key positions at renowned companies such as Saint-Gobain Glass France and Saint-Gobain Vitrage. His tenure at these institutions has not only honed his expertise in material science but has also facilitated the practical application of his innovative ideas in the industry.
Collaborations
Throughout his career, Rehfeld has collaborated with notable colleagues, including David Fournier and Gilles Garnier. These partnerships have fostered a dynamic exchange of ideas and contributed to the advancement of their shared pioneering work in vibroacoustic technologies.
Conclusion
Marc Rehfeld stands out as a leading inventor whose work continues to push the boundaries of material science. With a strong emphasis on enhancing vibroacoustic properties in glazing applications, his innovations have the potential to transform industries that require advanced acoustic solutions. His dedication to research and collaboration underscores the spirit of innovation that drives progress in this vital field.