Company Filing History:
Years Active: 1976-1979
Title: The Innovative Contributions of Donald R. Kerstetter
Introduction
Donald R. Kerstetter is a notable inventor based in Emporium, Pennsylvania. He has made significant contributions to the field of technology, particularly in the development of advanced heating systems. With a total of 4 patents to his name, Kerstetter's work has had a lasting impact on the industry.
Latest Patents
Among his latest patents is the "Low mass, indirectly heated, fast warm-up heater-cathode assembly." This invention features a substrate of substantially pure, hexagonal crystal, α-alumina (sapphire) with a central hub and three radiating spokes. One surface of the substrate has a metallized cathode base, while the opposite surface is equipped with a metallized heater. Electrical connections to the cathode base and heater are facilitated via the spokes, which are also appropriately metallized. Additionally, a suitable electron emissive material is applied to the cathode base. Another significant patent is the "Fast warmup cathode and method of making same." This invention comprises a substrate of nickel or cathode nickel alloy, designed to receive an electron emissive material on its outer surface. The inner surface is enhanced with a high heat radiating material, which can include vacuum deposited aluminum or magnesium, fired at a temperature above the melting point to create a darker surface.
Career Highlights
Donald R. Kerstetter has worked with GTE Sylvania Incorporated, where he has been able to apply his innovative ideas and technical expertise. His work has contributed to advancements in heating technology, showcasing his ability to merge practical applications with scientific principles.
Collaborations
Throughout his career, Kerstetter has collaborated with various professionals, including his coworker William E. Buescher. These collaborations have allowed for the exchange of ideas and the development of groundbreaking technologies.
Conclusion
Donald R. Kerstetter's contributions to the field of technology through his patents and collaborations highlight his innovative spirit and dedication to advancing heating systems. His work continues to influence the industry and inspire future inventors.