Company Filing History:
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Years Active: 2012-2025
Title: Les A. Yocum: Innovator in Aluminum-Copper-Lithium Alloys
Introduction
Les A. Yocum is a distinguished inventor based in West Lafayette, Indiana, renowned for his significant contributions to the development of advanced aluminum-copper-lithium alloys. With two patents to his name, Yocum’s innovations have played a pivotal role in enhancing material properties for various industrial applications.
Latest Patents
Yocum's latest patents focus on improved aluminum-copper-lithium alloys. These alloys incorporate specific compositions consisting of 3.4-4.2 wt. % copper (Cu), 0.9-1.4 wt. % lithium (Li), 0.3-0.7 wt. % silver (Ag), 0.1-0.6 wt. % magnesium (Mg), 0.2-0.8 wt. % zinc (Zn), 0.1-0.6 wt. % manganese (Mn), and 0.01-0.6 wt. % of at least one grain structure control element, with the balance being aluminum along with incidental elements and impurities. This innovative approach achieves an improved combination of properties over existing alloys, marking a significant advancement in the field.
Career Highlights
Les A. Yocum has had an impressive career, having worked with notable organizations such as Alcoa Inc. and Arconic Corporation. His tenure at these companies has provided him with the platform to develop his innovative concepts in material science, particularly in the realm of aluminum alloys.
Collaborations
Throughout his career, Yocum has collaborated with accomplished professionals in the field. Notable coworkers include Edward L. Colvin and Roberto J. Rioja, both of whom have contributed to the progression of research and development in aluminum technologies alongside Yocum.
Conclusion
Les A. Yocum stands as a prominent figure in the realm of material innovation, particularly through his work on aluminum-copper-lithium alloys. His ongoing contributions and collaborations continue to influence advancements in material properties, solidifying his legacy as an influential inventor in the industry.