Lund, Sweden

John Troeng

This inventor holds 2 USPTO granted patents. Top assignee: Aktiebolaget Bofors. Active years: 1981-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Troeng. Retrieved from https://idiyas.com/inventor/john-troeng

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 = 3.0

ph-index = 2

Forward Citations = 5(Granted Patents)


Location History:

  • Lund, SE (1981)
  • Gesallgatan, SE (1982)

Company Filing History:


Years Active: 1981-1982

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2 patents (USPTO):Explore Patents

Title: John Troeng: Innovator in Mineral Acid Concentration

Introduction

John Troeng is a notable inventor based in Lund, Sweden. He has made significant contributions to the field of mineral acid concentration, particularly focusing on sulphuric acid. With a total of 2 patents to his name, Troeng's work showcases innovative approaches to chemical processing.

Latest Patents

Troeng's latest patents include a "Device for concentration and possible purification of mineral acids" and a "Device for concentration of mineral acids, particularly sulphuric acid." The first patent describes a furnace that utilizes long quartz tubes for heating and purifying sulphuric acid. The quartz tubes are sealed at both ends, allowing the acid to be fed in from the top and collected at the bottom after purification. The second patent presents a unique structure that employs multiple vertical quartz tubes within a furnace, facilitating effective heat transfer through convective and radiative means. This design enhances the concentration process of mineral acids by generating turbulence in the gas flow, ensuring efficient heating of the acid.

Career Highlights

John Troeng is associated with Aktiebolaget Bofors, where he has applied his expertise in chemical engineering to develop innovative solutions for acid concentration. His work has been instrumental in advancing the technology used in this field.

Collaborations

Troeng has collaborated with notable colleagues such as Lars Douren and Hans Broberg, contributing to the development of his patented technologies.

Conclusion

John Troeng's innovative patents in the concentration and purification of mineral acids highlight his significant contributions to chemical engineering. His work continues to influence the industry and improve processes related to sulphuric acid.

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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