McFarland, WI, United States of America

Douglas P Marquis

This inventor holds 1 USPTO granted patent. Top assignee: Fleetguard, Inc.. Active years: 2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas P Marquis. Retrieved from https://idiyas.com/inventor/douglas-p-marquis

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 = 15.0

ph-index = 1

Forward Citations = 34(Granted Patents)


Company Filing History:


Years Active: 2005

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1 patent (USPTO):Explore Patents

Title: Douglas P. Marquis: Innovator in Filter Coating and Manufacturing Systems

Introduction

Douglas P. Marquis is a notable inventor based in McFarland, Wisconsin. He has made significant contributions to the field of filter technology, particularly through his innovative patent related to coating and manufacturing systems.

Latest Patents

Marquis holds a patent for a "Filter coating, winding, finishing and manufacturing system." This invention encompasses a comprehensive coating system, winding system, finishing system, and manufacturing system designed for spiral-wound fluted filter media. His work in this area demonstrates a commitment to enhancing the efficiency and effectiveness of filter production.

Career Highlights

Douglas P. Marquis is associated with Fleetguard, Inc., a company known for its advancements in filtration technology. His role at Fleetguard has allowed him to apply his inventive skills in a practical setting, contributing to the development of high-quality filtration solutions.

Collaborations

Throughout his career, Marquis has collaborated with talented individuals such as Murray R. Schukar and Brian K. Fillbach. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Douglas P. Marquis is a dedicated inventor whose work in filter technology has made a lasting impact. His patent and contributions to Fleetguard, Inc. highlight his role in advancing filtration systems.

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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