Company Filing History:
4 out of 38 
1 out of 31,024 
Years Active: 1994-2001
Title: Ralph Edward Jeffries: Innovator in High-Temperature Structures
Introduction
Ralph Edward Jeffries is a notable inventor based in Indianapolis, IN, with a significant contribution to the field of high-temperature structures. He holds a total of five patents, showcasing his innovative spirit and technical expertise.
Latest Patents
Among his latest patents are groundbreaking inventions related to single-cast, high-temperature, thin wall structures. One of his patents discloses a single-cast, thin wall structure capable of withstanding impinging gases at temperatures of 4300°F and higher, along with a method of making the same. This innovation highlights his commitment to advancing materials that can endure extreme conditions.
Career Highlights
Throughout his career, Ralph has worked with prominent companies such as Allison Engine Company, Inc. and GM Global Technology Operations LLC. His experience in these organizations has allowed him to refine his skills and contribute to significant advancements in engineering and technology.
Collaborations
Ralph has collaborated with talented individuals in his field, including Kurt F. O'Connor and James Paul Hoff. These partnerships have likely enriched his work and led to innovative solutions in high-temperature applications.
Conclusion
Ralph Edward Jeffries stands out as an influential inventor whose work in high-temperature structures has made a lasting impact. His patents and collaborations reflect his dedication to innovation and engineering excellence.