Sierra Madre, CA, United States of America

Eugene R Du Fresne

This inventor holds 3 USPTO granted patents. Top assignees: Ameron, Inc., California Institute of Technology. Active years: 1978-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eugene R Du Fresne. Retrieved from https://idiyas.com/inventor/eugene-r-du-fresne

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 3

Forward Citations = 40(Granted Patents)


Company Filing History:


Years Active: 1978-1984

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3 patents (USPTO):Explore Patents

Title: Innovations of Eugene R Du Fresne

Introduction

Eugene R Du Fresne is a notable inventor based in Sierra Madre, California. He has made significant contributions to the fields of vapor degreasing and water purification. With a total of 3 patents, his work reflects a commitment to advancing technology for practical applications.

Latest Patents

One of his latest patents is a vapor degreasing system. This invention features a method and apparatus that utilizes a second cooling coil to prevent the escape of solvent or solvent vapor from a degreaser. The gaseous refrigerant from the second coil can be released to the freeboard space above the solvent vapor zone, creating a barrier layer. Another significant patent is a system for the removal of toxic heavy metals from drinking water. This system employs electrochemical replacement to remove toxic heavy metal ions as water flows through a tandem bed of activated zinc and magnesium alloyed with a minor amount of manganese. The design includes features to prevent clogging and simplify scale-up, enhancing its practical application in water treatment.

Career Highlights

Eugene has worked with reputable organizations such as Ameron, Inc. and the California Institute of Technology. His experience in these institutions has contributed to his innovative approach to problem-solving in engineering and environmental technology.

Collaborations

Eugene has collaborated with various professionals in his field, including his coworker Lee M Parson. These collaborations have likely enriched his work and led to further advancements in his inventions.

Conclusion

Eugene R Du Fresne's contributions to innovation, particularly in vapor degreasing and water purification, showcase his expertise and dedication to improving technology for everyday use. His patents reflect a blend of creativity and practicality that continues to influence the industry.

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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