Company Filing History:
Years Active: 1992-2001
Title: Innovations of Stephen D. Ridder
Introduction
Stephen D. Ridder is an accomplished inventor based in Gaithersburg, MD (US). He has made significant contributions to the field of materials science, particularly in the development of advanced stainless steel alloys. With a total of 2 patents to his name, Ridder's work has implications for various industrial applications.
Latest Patents
Ridder's latest patents include a high nitrogen stainless steel alloy. This innovative alloy comprises chromium (Cr), molybdenum (Mo), manganese (Mn), nickel (Ni), nitrogen (N), and iron (Fe). The composition features between about 27 and about 30% by weight Cr, between about 1.5 and about 4.0% by weight Mo, and at least about 8% by weight Ni, among other elements. The unique chemistry allows for the formation of stainless steel articles with a thicker cross-section and reduced processing costs. Another notable patent involves a method of producing nitrogenated metal alloys by melting an alloy under a nitrogen atmosphere and gas atomizing the molten alloy. This process results in alloy powders with high nitrogen content and superior mechanical properties.
Career Highlights
Stephen D. Ridder works for the Government of the United States of America, as represented by the Secretary of Commerce. His role involves research and development in materials that enhance the performance and durability of metal alloys. Ridder's expertise has positioned him as a key figure in advancing the field of metallurgy.
Collaborations
Ridder has collaborated with notable colleagues such as Francis S. Biancaniello and Gregg N. Janowski. These partnerships have contributed to the successful development of innovative materials and processes.
Conclusion
Stephen D. Ridder's contributions to the field of materials science, particularly through his patents on high nitrogen stainless steel alloys, demonstrate his commitment to innovation. His work not only advances industrial applications but also enhances the understanding of metal alloy properties.