Espoo, Finland

Erik Agren

This inventor holds 3 USPTO granted patents. Top assignees: Ahlstrom Machinery Oy, A. Ahlstrom Corporation. Active years: 1995-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Erik Agren. Retrieved from https://idiyas.com/inventor/erik-agren

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 = 1.8

ph-index = 3

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1995-1998

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3 patents (USPTO):Explore Patents

Title: Erik Agren: A Visionary Inventor in the Field of Process Engineering

Introduction

Erik Agren, a notable inventor based in Esbo, Finland, has made significant contributions to process engineering, particularly in the treatment of black liquor. With a portfolio that includes three patents, Agren has demonstrated a commitment to innovating solutions that address industry challenges.

Latest Patents

One of Agren's latest inventions is a falling film evaporator designed for the method and apparatus for the treatment of black liquor. This innovative technology focuses on controlling crystallization to prevent harmful fouling of heat transfer surfaces. The process involves concentrating black liquor to a high dry solids content, approximately 70% to 90%, within a falling film crystallizing apparatus. Agren's method recirculates part of the liquor flowing from the heat transfer surfaces back into the system, enhancing the mixing and promoting the crystallization of inorganic salts, which is crucial for effective treatment and subsequent processing in recovery boilers.

Career Highlights

Throughout his career, Erik Agren has been associated with respected companies such as Ahlstrom Machinery Oy and A. Ahlstrom Corporation. These experiences have allowed him to develop and refine his inventions, contributing to advancements in industrial processes and technologies.

Collaborations

Agren has had the opportunity to work alongside talented individuals like Olof Fagerlind and Juhani Hoikkala. These collaborations have enriched his projects, fostering an environment of innovation and teamwork that exemplifies the spirit of technological advancement.

Conclusion

In summary, Erik Agren stands out as an inventor whose work addresses critical challenges in process engineering. His latest patent regarding the treatment of black liquor showcases his dedication to improving industrial methodologies. Agren's contributions, along with his collaborations, highlight the importance of innovation in refining and advancing technology in 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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