Glenshaw, PA, United States of America

John F Deffner

This inventor holds 2 USPTO granted patents. Top assignee: Gulf Research & Development Company. Active years: 1978-1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John F Deffner. Retrieved from https://idiyas.com/inventor/john-f-deffner-i7buvepx

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 = 1.3

ph-index = 2

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1978-1979

Loading Chart...
2 patents (USPTO):Explore Patents

Title: John F Deffner: Innovator in Fuel Technology

Introduction

John F Deffner is a notable inventor based in Glenshaw, Pennsylvania. He has made significant contributions to the field of fuel technology, particularly in the development of lead-free fuel compositions and microbial growth inhibitors for hydrocarbon fuels. With a total of 2 patents, his work has implications for both environmental sustainability and fuel efficiency.

Latest Patents

Deffner's latest patents include "Organic synergists for organo-cerium (IV) anti-knock additives" and "Microbicide for use with hydrocarbon fuels." The first patent focuses on creating lead-free fuel compositions that enhance anti-knock and octane characteristics. This invention utilizes a combination of gasoline and organic compounds, such as para-cresol or alkanediols, to improve fuel performance. The second patent addresses the issue of microbial growth in liquid distillate hydrocarbon fuels. It introduces halonitro alcohols as effective microbicides that inhibit microbial growth at low concentrations.

Career Highlights

John F Deffner has had a distinguished career at Gulf Research & Development Company. His innovative work has positioned him as a key figure in the advancement of fuel technologies. His research has not only contributed to the efficiency of fuel but also to the reduction of environmental impact associated with traditional fuel compositions.

Collaborations

Deffner has collaborated with various professionals in his field, including his coworker Pamela M Bunting. These collaborations have fostered a productive environment for innovation and have led to the successful development of his patented technologies.

Conclusion

John F Deffner's contributions to fuel technology through his patents and career at Gulf Research & Development Company highlight his role as an important inventor in the industry. His work continues to influence advancements in sustainable fuel solutions.

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]
Loading…