Location History:
- Oakland Township, Oakland County, MI (US) (1976 - 1978)
- Rochester Hills, MI (US) (1991 - 1992)
Company Filing History:
Years Active: 1976-1992
Title: The Innovations of Francis H Dulin
Introduction
Francis H Dulin is a notable inventor based in Rochester Hills, MI (US). He has made significant contributions to the field of materials science, particularly in the development of semi-conducting ceramics. With a total of four patents to his name, Dulin's work showcases his innovative approach to solving complex engineering challenges.
Latest Patents
One of Dulin's latest patents involves a semi-conducting ceramic that consists of 50 percent to 72 percent silicon carbide particles and 25 percent to 47 percent silicon nitride particles. This ceramic is bonded with a modified silicon oxynitride glass, which enhances its structural integrity. The patent also discloses an improved method for producing an article that includes silicon carbide particles dispersed in a matrix. This method involves firing or sintering the article to create a densified ceramic with a liquid phase. A key improvement in this process is the embedding of the article in a cover material containing powdered silicon, while maintaining a nitrogen or inert atmosphere during firing. This innovative approach protects the silicon carbide particles from oxidation.
Career Highlights
Throughout his career, Dulin has worked with prominent companies such as Champion Spark Plug Company and Cooper Industries, Inc. His experience in these organizations has contributed to his expertise in materials development and innovation.
Collaborations
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Conclusion
Francis H Dulin's contributions to the field of semi-conducting ceramics and his innovative methods for production highlight his role as a significant inventor in the industry. His work continues to influence advancements in materials science.