Location History:
- White Oak Boro, PA (US) (1985)
- White Oaks, PA (US) (1989)
- White Oak, PA (US) (1983 - 2011)
Company Filing History:
7 out of 1,238 
1 out of 47 
1 out of 38 Years Active: 1983-2011
Title: The Innovative Contributions of David J Michael
Introduction
David J Michael is a notable inventor based in White Oak, PA (US), recognized for his significant contributions to the field of refractory materials. With a total of 10 patents to his name, he has made substantial advancements that have impacted various industries, particularly in steel manufacturing.
Latest Patents
Among his latest innovations is a refractory brick designed for steel ladles. This magnesia-carbon brick consists of approximately 50 to 95% by weight magnesia and 1 to 20% by weight carbon, with potential metallic additions. The chemical composition of the aggregates used in this brick includes about 2 to 15% SiO, 3 to 50% AlO, and 50 to 95% MgO. Another significant patent involves burned refractories with low soluble chromium. This innovation provides a refractory material containing less than 5 ppm total soluble chromium, achieved by incorporating less than 10 wt. % (often less than 3 wt. %) of zirconia, silica, zircon, or molybdic oxide into the starting mix.
Career Highlights
David J Michael has had a distinguished career, working with reputable companies such as Dresser Industries, Inc. His expertise in refractory materials has positioned him as a key figure in the development of innovative solutions for the steel industry.
Collaborations
Throughout his career, David has collaborated with notable professionals, including David A Kirk and Leigh F Brooks. These partnerships have contributed to the advancement of his inventions and the overall progress in the field of refractory technology.
Conclusion
David J Michael's contributions to the field of refractory materials through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the industry and inspire future innovations.