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For the Inventor, By the Inventor

Auburn, WA, United States of America

Ralph E Dufresne

This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignee: The Boeing Company. Active years: 1987-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ralph E Dufresne. Retrieved from https://idiyas.com/inventor/ralph-e-dufresne

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

USPTO Granted Patents = 7

% Patents Active = 100.0


Average Co-Inventor Count = 2.5

ph-index = 5

Forward Citations = 56(Granted Patents)


Company Filing History:

goldMedal7 out of 23,011 
 
The Boeing Company
 patents

Years Active: 1987-2014

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7 patents (USPTO):Explore Patents
1. 8728245 - Gelled adhesive remover composition and method of use (2014-05-20),
2. 7977294 - Gelled adhesive remover composition and method of use (2011-07-12),
3. 7934676 - Pre-fabricated article for EME protection of an aircraft (2011-05-03),
4. 7883050 - Composites with integrated multi-functional circuits (2011-02-08),
5. 7829796 - Circuit joining assembly materials for multi-layer lightning protection systems on composite aircraft (2010-11-09),
6. 7759298 - Thickened composition and method for removing adhesive residue (2010-07-20),
7. 4662975 - Apparatus for determining the etch rate of nonconductive materials (1987-05-05),

Title: Innovations by Ralph E. Dufresne

Introduction

Ralph E. Dufresne is a notable inventor based in Auburn, WA (US), recognized for his contributions to adhesive removal technologies. With a total of 7 patents to his name, Dufresne has made significant strides in developing environmentally friendly solutions for various industries.

Latest Patents

One of Dufresne's latest inventions is a gelled adhesive remover composition and method of use. This innovative process utilizes environmentally friendly materials to effectively remove adhesive residues from hard substrates, particularly vehicles such as cars, trucks, buses, and aerospace vehicles including airplanes. The composition comprises one or more non-halogenated organic solvents, a non-abrasive thickening agent, a surfactant, and a vapor-pressure modulating agent. The total Hansen Solubility Parameter (δt) at 25°C for each of the non-halogenated organic solvents ranges from about 14 MPa to about 24 MPa. This invention provides a cost-effective, safe, and environmentally friendly adhesive remover specifically formulated for the removal of pressure-sensitive adhesive residues from large areas of aircraft composite and aluminum surfaces.

Career Highlights

Dufresne is currently employed at The Boeing Company, where he applies his expertise in adhesive technologies. His work contributes to the advancement of aerospace manufacturing and maintenance processes, ensuring that safety and environmental standards are met.

Collaborations

Throughout his career, Dufresne has collaborated with talented individuals such as David F. Feider and Quynhgiao Nguyen Le. These partnerships have fostered innovation and enhanced the development of new technologies in the field of adhesive removal.

Conclusion

Ralph E. Dufresne's innovative work in adhesive removal technologies showcases his commitment to creating environmentally friendly solutions. His contributions to The Boeing Company and the broader aerospace industry highlight the importance of sustainable practices in modern engineering.

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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