Location History:
- Mountain View, CA (US) (1992)
- San Jose, CA (US) (1994)
Company Filing History:
Years Active: 1992-1994
Title: Innovations of Rex A Churchward
Introduction
Rex A Churchward is a notable inventor based in Mountain View, CA (US). He has made significant contributions to the field of materials science, particularly in the development of protective coatings and insulation materials. With a total of 2 patents, his work has implications for various high-performance applications, including aerospace.
Latest Patents
One of Rex A Churchward's latest patents is a protective coating for ceramic materials. This innovative coating is designed for materials such as silicon carbide, aluminum oxide, zirconium oxide, aluminoborosilicate, and silicon dioxide. The protective coating comprises a mixture of silicon dioxide powder, colloidal silicon dioxide, water, and various emittance agents. These agents include silicon tetraboride, silicon hexaboride, silicon carbide, molybdenum disilicide, tungsten disilicide, and zirconium diboride. A primary application of this invention is as a protective coating for ceramic materials used in heat shields for space vehicles that are subjected to extreme aeroconvective heating environments.
Another significant patent by Churchward is for toughened uni-piece fibrous insulation. This invention involves a porous body of fibrous, low-density silica-based insulation material that is impregnated with a reactive boron oxide containing borosilicate glass frit, a silicon tetraboride fluxing agent, and a molybdenum silicide emittance agent. The materials are milled to reduce particle size, mixed into a slurry with ethanol, and then applied to the insulation material before being sintered to create the final porous body.
Career Highlights
Rex A Churchward has worked with the United States of America as represented by the Administrator. His innovative work in materials science has positioned him as a key figure in the development of advanced insulation and protective materials.
Collaborations
Throughout his career, Churchward has collaborated with notable colleagues, including Demetrius A Kourtides and David M Lowe. Their combined expertise has contributed to the advancement of technologies in their respective fields.
Conclusion
Rex A Churchward's contributions to materials science through his patents demonstrate his innovative spirit and commitment to advancing technology. His work continues to have a lasting impact on industries that require high-performance materials.