Location History:
- Grenoble, FR (1989)
- Paris, FR (1992)
- Rueil Malmaison, FR (1993 - 1999)
Company Filing History:
3 out of 29 
2 out of 191 
2 out of 420 
Years Active: 1989-1999
Title: Innovations by Francis Defendini: Revolutionizing Architectural Design
Introduction
Francis Defendini is a prominent inventor based in Rueil Malmaison, France. With a total of seven patents to his name, Defendini has made significant contributions to the field of architectural engineering, particularly through his groundbreaking work on electrochromic technology.
Latest Patents
Among Defendini's latest inventions is the architectural electrochromic pane. This invention relates to an electrically controllable solar building pane composed of two panels spaced apart by a layer of an intermediate gas. The outer panel features a variable transmission system of the electrochromic type, comprising two transparent substrates made from glass sheets. These substrates are joined together by an ion-conducting organic polymer and are coated on their jointing face with transparent electrically conducting films, as well as films of anodic and cathodic electrochromic materials. This innovative design allows for dynamic control over light and heat entry into buildings, enhancing energy efficiency.
Career Highlights
Throughout his career, Defendini has worked with notable companies in the industry. He has made significant contributions at Saint-Gobain Recherche and Saint-Gobain Vitrage International, where he played a crucial role in advancing materials and technologies for the construction sector.
Collaborations
Defendini has collaborated with esteemed coworkers in his field, including Christian Padoy and Bernard Buffat. These partnerships have fostered an environment of innovation, allowing for the development of cutting-edge technologies that push the boundaries of architectural design.
Conclusion
With a focus on enhancing energy efficiency in buildings through innovative electrochromic technologies, Francis Defendini continues to leave a remarkable mark on the industry. His inventions not only highlight advancements in materials science but also pave the way for a more sustainable architectural future.