Company Filing History:
Years Active: 1991-1993
Title: The Innovative Journey of Robert G. Johnson
Introduction
Robert G. Johnson, an accomplished inventor based in Bloomington, Indiana, has made significant contributions to the field of electrical engineering. With a total of four patents to his name, Johnson's work primarily focuses on the development of varistors, which play a crucial role in protecting electrical systems from voltage surges.
Latest Patents
Johnson's latest innovations include two noteworthy patents that demonstrate his dedication to enhancing varistor technology. The first patent, titled "Surge Stability Improvement of Zinc Oxide Varistor Discs," presents a method of manufacturing varistors by combining preselected amounts of zinc oxide (ZnO) with various additives such as boron (B), sodium (Na), bismuth oxide (Bi₂O₃), and barium oxide (BaO). This process involves pressing the mixture into disc shapes, sintering at a specific temperature, and subsequently annealing at a lower temperature to achieve improved high-temperature performance.
The second patent, focused on "High Energy Absorbing Varistor," describes a method aimed at producing varistors with enhanced energy absorption characteristics. In this innovation, predetermined quantities of Bi₂O₃, BaO, silicon dioxide (SiO₂), and antimony oxide (Sb₂O₃) are combined with ZnO to create a mixture that is sintered to form a varistor disc capable of absorbing high energy levels.
Career Highlights
Robert G. Johnson is affiliated with the Electric Power Research Institute, where he applies his expertise to advancing electrical technologies. His patents are not only a testament to his inventive skills but also highlight his commitment to improving the safety and efficiency of electrical systems.
Collaborations
Throughout his career, Johnson has collaborated with notable coworkers, including Kenneth C. Radford and Andrew S. Sweetana, Jr. These partnerships reflect a collaborative spirit and an environment of shared knowledge that fosters innovation within their research endeavors.
Conclusion
In summary, Robert G. Johnson stands out as a pioneering inventor in the realm of varistor technology. His latest patents illustrate his commitment to enhancing the functionality and reliability of electrical systems, making a lasting impact in the industry. Through collaboration and innovation, Johnson continues to contribute significantly to the electrical engineering field.