East Grand Forks, MN, United States of America

Karen Dufault

This inventor holds 3 USPTO granted patents. Top assignee: Other. Active years: 1998-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karen Dufault. Retrieved from https://idiyas.com/inventor/karen-dufault

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 = 4.0

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • E. Grand Forks, MN (US) (1998)
  • East Grand Forks, MN (US) (2001)

Company Filing History:

goldMedal3 out of 834,513 
Other
 patents

Years Active: 1998-2001

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3 patents (USPTO):Explore Patents

Title: Innovations by Karen Dufault

Introduction

Karen Dufault is an accomplished inventor based in East Grand Forks, MN (US). She has made significant contributions to the field of mobile apparatus design, holding a total of three patents. Her innovative work focuses on enhancing the efficiency of material handling through advanced conveyor systems.

Latest Patents

One of her latest patents is titled "Mobile apparatus with plurality of conveyors." This invention is directed to a mobile bin device that features a first conveyor extending along the bottom of the bin. This conveyor is designed to convey material from the bin to one end. Additionally, a second belt conveyor is pivotally mounted to allow for upward and downward movement, as well as lateral adjustments. This design enables the second conveyor to effectively manage the distance from the first conveyor to the outlet end, optimizing material flow.

Another notable patent is "Conveying, spreading and milling apparatus." This invention involves a mobile bin equipped with two conveyors mounted on a main frame with wheels for mobility. The first conveyor is positioned beneath the bin's opening, while the second conveyor can pivot to various positions, allowing for versatile material handling. This innovative design facilitates the efficient transfer of materials from the bin to the desired location.

Career Highlights

Throughout her career, Karen Dufault has demonstrated a commitment to innovation in the field of material handling. Her patents reflect her ability to solve complex engineering challenges and improve existing technologies.

Collaborations

Karen has collaborated with notable individuals in her field, including Kevin J Pierce and Michael J Pierce. Their combined expertise has contributed to the successful development of her innovative designs.

Conclusion

Karen Dufault's contributions to the field of mobile apparatus design exemplify her innovative spirit and dedication to improving material handling systems. Her patents showcase her ability to create practical solutions that enhance efficiency and functionality.

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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