Jarved, Sweden

Stig-Gunnar E Lofgren

This inventor holds 1 USPTO granted patent. Top assignee: Kmw Aktiebolag. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stig-Gunnar E Lofgren. Retrieved from https://idiyas.com/inventor/stig-gunnar-e-lofgren

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 = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Stig-Gunnar E Lofgren: Innovator in Drum Technology

Introduction

Stig-Gunnar E Lofgren is a notable inventor based in Jarved, Sweden. He has made significant contributions to the field of drum technology, particularly with his innovative designs that enhance the functionality and performance of musical instruments. His work exemplifies the spirit of innovation that drives advancements in the music industry.

Latest Patents

Lofgren holds a patent for a unique invention titled "Barking drum with at least one bearing ring." This invention features a substantially cylindrical drum shell with an essentially horizontal axis and at least one bearing ring that surrounds an annular portion of the shell. The design includes an interjacent gap and utilizes a plurality of fastening means to secure the ring to the shell. Notably, some of these fastening means consist of an adjustable clamp that expands radially, ensuring a rigid connection between the ring and the shell.

Career Highlights

Throughout his career, Lofgren has demonstrated a commitment to innovation in musical instrument design. His patent reflects a deep understanding of the mechanics involved in drum construction and the importance of stability and sound quality in musical performance. He is associated with KMW Aktiebolag, where he continues to contribute to the development of advanced drum technologies.

Collaborations

Lofgren has worked alongside talented individuals such as Sven A Svensson and Bo J Oledal. Their collaborative efforts have likely fostered an environment of creativity and innovation, leading to advancements in their respective fields.

Conclusion

Stig-Gunnar E Lofgren's contributions to drum technology through his innovative patent highlight his role as a significant inventor in the music industry. His work not only enhances the performance of musical instruments but also showcases the importance of innovation in creating better sound experiences.

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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