Company Filing History:
Years Active: 1981
Title: Gerard F Johnson: Innovator in Abrasive Materials
Introduction
Gerard F Johnson is a notable inventor based in Wilmington, NC (US). He has made significant contributions to the field of abrasive materials, particularly through his innovative patent that enhances the performance of abrasive products in high-temperature applications.
Latest Patents
Gerard F Johnson holds a patent for an "Alumina Coated Silicon Carbide Abrasive." This invention discloses an improved abrasive material that is particularly useful as a dispersoid in metal matrices. The material provides articles with superior abrasive properties, especially at elevated temperatures. The improved abrasive typically comprises silicon carbide particulate, with individual particles having a predominantly alumina coating. This coating inhibits the dissolution of the particles in the metal matrix at high temperatures. The invention finds special application in abrasive blade tips for service in gas turbine engines, where the tips comprise a nickel base or cobalt base superalloy with the alumina-coated silicon carbide particles dispersed within.
Career Highlights
Gerard F Johnson is associated with United Technologies Corporation, where he has been instrumental in developing advanced materials for various applications. His work has significantly impacted the performance and durability of products used in demanding environments.
Collaborations
Gerard has collaborated with Peter W Schilke, contributing to the advancement of abrasive technologies and materials science.
Conclusion
Gerard F Johnson's innovative work in abrasive materials exemplifies the importance of research and development in enhancing product performance in high-temperature applications. His contributions continue to influence the field and pave the way for future advancements.