Wallisellen, Switzerland

Jan Richard De Fries

This inventor holds 2 USPTO granted patents. Top assignees: Sulzer Brothers Limited, Other. Active years: 1994-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jan Richard De Fries. Retrieved from https://idiyas.com/inventor/jan-richard-de-fries

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 = 2.4

ph-index = 2

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1994-2003

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2 patents (USPTO):Explore Patents

Title: Jan Richard De Fries: Innovator in Solar Technology and Electric Motor Systems

Introduction

Jan Richard De Fries is a notable inventor based in Wallisellen, Switzerland. He has made significant contributions to the fields of solar technology and electric motor systems. With a total of 2 patents, his work reflects a commitment to advancing energy efficiency and innovative engineering solutions.

Latest Patents

De Fries's latest patents include a solar cell integrated with a solar collector and storage elements. This innovative solar cell design features heat insulations in houses that utilize a cardboard lattice positioned behind a glass pane. The system effectively manages heat flow, which varies with insolation, ensuring lower heat flow at night and during periods of weak sunlight. The solar cell is designed to optimize energy yield while preventing overheating in indoor spaces, even when the sun is at its peak. Additionally, he has developed a system for driving electric motor machines that allows for variable torque based on the angle of rotation. This adaptive control system enhances the performance of machines such as compressors and printing machines by maintaining a consistent angular velocity.

Career Highlights

Throughout his career, Jan Richard De Fries has worked with various companies, including Sulzer Brothers Limited. His experience in these organizations has contributed to his expertise in innovative technologies and engineering practices.

Collaborations

De Fries has collaborated with notable individuals in his field, including Jacob Rudolf Metz and Giuseppe Fent. These partnerships have likely enriched his work and expanded the impact of his inventions.

Conclusion

Jan Richard De Fries stands out as an influential inventor whose work in solar technology and electric motor systems continues to shape the industry. His innovative patents reflect a dedication to improving energy efficiency and engineering solutions.

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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