Location History:
- Pittsburgh, PA (US) (1993 - 1994)
- Bethel Park, PA (US) (1994)
Company Filing History:
Years Active: 1993-1994
Title: Innovations of Lawrence D. Fitch
Introduction
Lawrence D. Fitch is a notable inventor based in Pittsburgh, PA, who has made significant contributions to the field of refractory materials. With a total of four patents to his name, Fitch has developed innovative solutions that enhance the performance and longevity of materials used in metallurgical applications.
Latest Patents
Fitch's latest patents include a slide gate plate and method, which features a slide gate plate made from a burned refractory impregnated with tar. This refractory composition consists of approximately 70 to 95 wt. % alumina, 1 to 10 wt. % reactive alumina, 1 to 5 wt. % volatilized silica, and 3 to 15 wt. % silicon carbide. The method aims to increase the service life of the slide gate plate by utilizing this specific composition. Another significant patent is for high alumina refractory shapes, which are designed to resist aluminum penetration. This mix includes at least 60% by weight aluminum oxide, 1 to 5% by weight boron phosphate, and 5 to 15% by weight silicon carbide. A phosphorous-containing binder is added, allowing the mix to be formed into bricks that minimize aluminum penetration and dross when used in contact with molten aluminum.
Career Highlights
Throughout his career, Lawrence D. Fitch has worked with prominent companies such as Indresco Inc. and Dresser Industries, Inc. His experience in these organizations has contributed to his expertise in developing advanced refractory materials.
Collaborations
Fitch has collaborated with notable individuals in his field, including Stanley A. Smith and Thomas R. Kleeb. These partnerships have likely fostered innovation and the exchange of ideas, further enhancing his contributions to the industry.
Conclusion
Lawrence D. Fitch's work in the field of refractory materials showcases his innovative spirit and dedication to improving industrial applications. His patents reflect a deep understanding of material science and a commitment to advancing technology in metallurgy.