Location History:
- Baltimore, MD (US) (1977 - 1980)
- Monroe, OH (US) (1985 - 1992)
Company Filing History:
3 out of 225 
2 out of 80 
1 out of 2 Years Active: 1977-1992
Title: **William J Schumacher: Innovator in Stainless Steel Technology**
Introduction
William J Schumacher, based in Baltimore, MD, has made significant contributions to the field of material science through his innovative work with stainless steel. With a total of 7 patents to his name, Schumacher’s inventions have enhanced the performance and utility of stainless steels, particularly in various manufacturing sectors.
Latest Patents
One of Schumacher's latest patents introduces a martensitic stainless steel that is designed to be cast while retaining excellent ductility and hardening capabilities. This innovative steel composition features, in weight percent, up to about 0.08% carbon, between 1.0 to 4.0% manganese, and approximately 13.0 to 17.0% chromium, among other specific elements. This new steel is particularly advantageous for producing cast golf clubs, forged golf clubs, cutlery, and boat propellers, demonstrating notable versatility in various products.
Another recent patent by Schumacher focuses on an austenitic stainless steel that boasts improved castability without compromising strength and ductility. This steel, characterized by its unique composition including 13% to 17% chromium and 8% to 12% manganese, holds promise for applications in cold-drawn wire with impressive tensile strength and elongation properties.
Career Highlights
Throughout his career, William J Schumacher has held key positions at notable companies, including Armco Inc. and Armco Steel Corporation. His role in these organizations has allowed him to further advance his research and bring innovative materials to market, enhancing the performance standards across various industries.
Collaborations
Schumacher has collaborated with esteemed colleagues such as Harry Tanczyn and James A Daniels. These partnerships have fostered an environment of innovation and mutual support, contributing to the successful development of various stainless steel technologies.
Conclusion
William J Schumacher stands out as a pivotal figure in the field of stainless steel innovation. His patents reflect a commitment to enhancing material properties that benefit numerous industries, from sports equipment to manufacturing tools. As technology continues to evolve, his contributions will undoubtedly influence future advancements in steel production and application.