Location History:
- Rockford, IL (US) (1991 - 1992)
- Jacksonville, FL (US) (1991 - 2006)
Company Filing History:
8 out of 170 
6 out of 13 
1 out of 1 Years Active: 1991-2006
Title: Innovations of John R. Frus
Introduction
John R. Frus is a notable inventor based in Jacksonville, FL, who has made significant contributions to the field of ignition systems and high voltage power supplies. With a total of 18 patents to his name, Frus has demonstrated a commitment to advancing technology through innovative solutions.
Latest Patents
Among his latest patents is a "Method and apparatus for controllably generating sparks in an ignition system or the like." This invention provides an apparatus that includes a spark generating device, multiple output stages, and a logic circuit for selectively triggering the output stages to generate a spark. The design allows for the generation of sparks with various energy levels and plume shapes, making it adaptable for different applications. Another significant patent is the "Method and apparatus for generating high voltage," which describes a power supply comprising multiple flyback-type, DC-to-DC converters. This invention ensures that the charge-discharge cycles of the converters are out of phase, enhancing the efficiency of the power supply.
Career Highlights
Frus has worked with reputable companies such as Unison Industries, Inc. and Unison Industries Limited Partnership. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Throughout his career, Frus has collaborated with notable individuals, including Michael Joseph Cochran and Frederick B. Sontag. These collaborations have likely enriched his work and led to further advancements in his inventions.
Conclusion
John R. Frus is a distinguished inventor whose work in ignition systems and high voltage power supplies has made a lasting impact on technology. His innovative patents and collaborations reflect his dedication to advancing the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.