Location History:
- Grenoble, FR (2002)
- Poisat, FR (2005 - 2011)
Company Filing History:
Years Active: 2002-2011
Title: The Innovations of Laurent Cottignies
Introduction
Laurent Cottignies is a notable inventor based in Poisat, France. He has made significant contributions to the field of welding technology, particularly in the development of aluminum alloys. With a total of 3 patents to his name, Cottignies has demonstrated a commitment to advancing materials science and engineering.
Latest Patents
Cottignies' latest patents include a filler wire for welding aluminum alloys. This innovative aluminum-based welding filler wire is made with an aluminum alloy that contains between 0.1 and 6 wt. % titanium, incorporating TiB particles, TiC particles, or a combination thereof, along with free titanium. This filler wire is designed for use in welding aluminum-based materials, enhancing the quality and durability of welded joints.
Another significant patent is for a product designed for welded constructions made of AlMgMn alloy, which boasts improved mechanical strength. These rolled or extruded products contain specific percentages of magnesium, manganese, iron, silicon, and zinc, along with optional elements such as chromium, copper, titanium, and zirconium. In the welded state, these products exhibit enhanced mechanical strength and fatigue resistance, making them particularly suitable for applications in naval construction, industrial vehicles, and bicycle frames made of welded tubes.
Career Highlights
Throughout his career, Laurent Cottignies has worked with prominent companies in the aluminum industry, including Pechiney Rhenalu and Aluminium Pechiney. His experience in these organizations has allowed him to refine his expertise in materials and welding technologies.
Collaborations
Cottignies has collaborated with notable professionals in his field, including Guy-Michel Raynaud and Jean-Luc Hoffmann. These partnerships have contributed to the development of innovative solutions in welding and materials science.
Conclusion
Laurent Cottignies is a distinguished inventor whose work in aluminum welding technology has led to significant advancements in the industry. His patents reflect a deep understanding of materials and their applications, making him a valuable contributor to the field.