Nashwauk, MN, United States of America

Virgil C Rostvold

This inventor holds 1 USPTO granted patent. Top assignee: The Hanna Mining Company. Active years: 1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Virgil C Rostvold. Retrieved from https://idiyas.com/inventor/virgil-c-rostvold

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 = 1.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1984

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1 patent (USPTO):Explore Patents

Title: The Innovations of Virgil C. Rostvold

Introduction

Virgil C. Rostvold is an accomplished inventor based in Nashwauk, MN (US). He is known for his innovative contributions to engineering, particularly in the field of sealing systems for industrial applications. His work has significantly impacted the efficiency and functionality of machinery.

Latest Patents

Rostvold holds a patent for a "Pressure actuated seal for travelling grate." This invention features a pressure actuated sealing system designed for a travelling grate. It comprises at least one horizontally elongated rigid seal plate that is pivotally mounted below the travelling grate. The system ensures a sealing relationship with the travelling grate and the windbox means mounted beneath it. The design allows for pivotal movement of the seal plate in both directions, depending on the pressure differential across it. This innovative approach enhances the operational efficiency of the travelling grate system.

Career Highlights

Virgil C. Rostvold has made significant strides in his career, particularly through his work with the Hanna Mining Company. His expertise in engineering and design has led to advancements in industrial machinery, showcasing his commitment to innovation and improvement in the field.

Collaborations

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Conclusion

Virgil C. Rostvold's contributions to the field of engineering through his innovative patent demonstrate his dedication to enhancing industrial processes. His work continues to influence the efficiency of machinery in various applications.

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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