Location History:
- North Muskegon, MI (US) (1994 - 1995)
- Muskegon, MI (US) (1993 - 2001)
Company Filing History:
8 out of 98 
3 out of 490 
2 out of 307 
Years Active: 1993-2001
Title: The Innovative Contributions of Donald E. Larsen, Jr.
Introduction
Donald E. Larsen, Jr. is a notable inventor based in Muskegon, MI (US), recognized for his significant contributions to the field of metallurgy and casting technologies. With a total of 11 patents to his name, Larsen has developed innovative methods and systems that enhance the efficiency and effectiveness of metal processing.
Latest Patents
Among his latest patents, Larsen has introduced groundbreaking technologies such as the Hybrid Induction Skull Melting. This invention involves placing a solid charge of metal or alloy in a crucible melting chamber, which is defined by a monolithic refractory tubular sleeve on a water-cooled metallic base. An energizing induction coil heats the solid charge inductively, forming a skull of solidified metal or alloy on the inner surfaces of the sleeve and base. This process allows for the reuse of the crucible for subsequent melting operations after the molten charge is removed. Another significant patent is the Method of Making Composite Castings Using Reinforcement Insert Cladding. This method involves creating a casting reinforced with a preformed fiber-reinforced metal matrix composite insert, which is clad to prevent adverse reactions during the melting process. The clad insert is suspended in the mold cavity, and the melt solidifies around it, resulting in a reinforced casting.
Career Highlights
Larsen has had a distinguished career, working with prominent companies such as Howmet Corporation and Martin Marietta Corporation. His experience in these organizations has contributed to his expertise in metal processing and casting technologies.
Collaborations
Throughout his career, Larsen has collaborated with notable professionals in the field, including Stephen L. Kampe and Leontios Christodoulou. These collaborations have further enriched his work and innovations.
Conclusion
Donald E. Larsen, Jr. stands out as a significant figure in the field of metallurgy, with his innovative patents and contributions to casting technologies. His work continues to influence the industry and inspire future advancements.