Domsjö, Sweden

Per A Hillstrom

This inventor holds 3 USPTO granted patents. Top assignee: Mo Och Domsjo Aktiebolag. Active years: 1979-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Per A Hillstrom. Retrieved from https://idiyas.com/inventor/per-a-hillstrom

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 = 2.0

ph-index = 3

Forward Citations = 40(Granted Patents)


Company Filing History:


Years Active: 1979-1981

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3 patents (USPTO):Explore Patents

Title: Innovations of Per A Hillstrom: A Pioneering Inventor from Domsjo

Introduction

Per A Hillstrom is a noteworthy inventor based in Domsjo, Sweden. He has made significant contributions to the field of pulp manufacturing through his innovative processes and apparatuses. With three patents to his name, he continues to shape the industry with his cutting-edge ideas.

Latest Patents

Per A Hillstrom's latest patents reflect his commitment to improving the efficiency of pulp production. One of his notable patents is a process and apparatus for continuously washing aqueous fibrous suspensions. This innovative method allows for the effective removal of impurities from fibrous suspensions, ensuring the quality of the final product. By exchanging contaminated aqueous suspending liquid with a cleaner alternative, he has developed a methodology that optimizes the washing process and maintains the desired consistency of fibrous materials.

Another significant invention is a process for maintaining a low sodium chloride content in recycled sodium during the sodium chemicals recovery stage of sodium-based pulp manufacturing. This method involves treating an aqueous sodium chloride-containing solution with carbon dioxide gas, which generates a saturated sodium bicarbonate solution. By precipitating sodium bicarbonate and separating it from sodium chloride, his process enhances the sustainability of pulp manufacturing by recycling valuable materials.

Career Highlights

Per A Hillstrom's career is distinguished by his work with Mo Och Domsjo Aktiebolag, where he applies his innovative ideas to practical applications in pulp manufacturing. Throughout his career, he has consistently focused on developing processes that enhance the efficiency and environmental sustainability of the industry.

Collaborations

During his journey, Per has collaborated with esteemed colleagues, including Lars G Norehall and Kent I Sondell. These partnerships have fostered a creative and collaborative atmosphere that has led to multiple advancements in their respective fields.

Conclusion

Per A Hillstrom stands as a prominent figure in the realm of innovation within pulp manufacturing. His dedication to creating efficient and sustainable processes, coupled with his collaborative efforts, positions him as a leading inventor in his field. As he continues to innovate, the impact of his work is likely to resonate throughout the industry for years to come.

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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