San Jose, CA, United States of America

John C Fravel

This inventor holds 5 USPTO granted patents. Top assignees: Xerox Corporation, Quantum Corporation. Active years: 1977-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John C Fravel. Retrieved from https://idiyas.com/inventor/john-c-fravel

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 60(Granted Patents)


Company Filing History:


Years Active: 1977-1995

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5 patents (USPTO):Explore Patents

Title: Innovation through Invention: The Journey of John C. Fravel

Introduction

John C. Fravel, an accomplished inventor based in San Jose, CA, has significantly contributed to the fields of data storage and printing technologies. With a portfolio boasting five patents, Fravel’s innovative designs have influenced the way we interact with technology in our daily lives. His work is characterized by a meticulous attention to detail and a keen insight into future technology needs.

Latest Patents

Fravel's latest innovations include two notable patents. The first is a hard disk drive architecture designed to enhance data storage efficiency. This architecture features a sturdy housing with a continuous base wall and sidewalls, which encloses multiple rigid data storage disks. It employs a rotary actuator for positioning data transducer heads accurately, thus improving the overall functionality of data storage systems. The second patent involves a control apparatus for a serial printer. It incorporates advanced servo control systems to ensure precise control over printing mechanisms, thereby enhancing printing speed and accuracy.

Career Highlights

Throughout his career, John C. Fravel held significant positions in renowned companies such as Xerox Corporation and Quantum Corporation. His experiences at these companies allowed him to develop groundbreaking technologies and make substantial contributions to the development of printing and data storage solutions.

Collaborations

Fravel's collaborative efforts with various industry professionals have also played a crucial role in his success. Notable coworkers such as Louis H. Chang and Frank D. Ruble have been instrumental in fostering an environment of creativity and innovation, leading to the successful realization of multiple projects throughout his career.

Conclusion

John C. Fravel exemplifies the spirit of innovation, consistently pushing the boundaries of technology through his inventions. His patents reflect a deep understanding of both current and future technological needs, ensuring that his contributions will have a lasting impact on the industry. As technology continues to evolve, so too will the work of inventors like Fravel, paving the way for next-generation innovations.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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