Karlstad, Sweden

Per Nahnfeldt

This inventor holds 1 USPTO granted patent, plus 1 CIPO patent and 3 EPO patents. Top assignee: Rolls-Royce Akteibolag. Active years: 2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Per Nahnfeldt. Retrieved from https://idiyas.com/inventor/per-nahnfeldt

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 = 4.0

ph-index = 1


Company Filing History:


Years Active: 2019

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Per Nahnfeldt

Introduction

Per Nahnfeldt is a notable inventor based in Karlstad, Sweden. He has made significant contributions to the field of marine propulsion technology. His innovative approach has led to the development of a unique method and device aimed at protecting electric motors in pod units from damage caused by external shocks.

Latest Patents

Nahnfeldt holds a patent for a "Method of and a device for protecting a motor in a pod against shaft bending shocks." This invention addresses the challenges faced by electric motors in pod units when the propeller blades encounter hard objects, such as ice blocks. The design incorporates a radial plain bearing with arcuate bearing surfaces that maintain a gap during normal operation, only coming into contact under extreme loads. This innovative solution helps prevent detrimental contact between the rotor and stator, ensuring the longevity and reliability of the motor.

Career Highlights

Throughout his career, Per Nahnfeldt has worked with prominent companies in the maritime industry. Notably, he has been associated with Rolls-Royce Aktiebolag and Kongsberg Maritime Sweden AB. His experience in these organizations has allowed him to refine his skills and contribute to advancements in marine technology.

Collaborations

Nahnfeldt has collaborated with talented individuals in his field, including coworkers Andreas Eriksson and Anders Lobell. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Per Nahnfeldt's contributions to marine propulsion technology exemplify the spirit of innovation. His patented methods and devices demonstrate a commitment to enhancing the safety and efficiency of electric motors in challenging environments. His work continues to influence the industry and inspire future advancements.

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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