York, United Kingdom

James Douglas Alexander Chambers

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Switched Reluctance Drives Limited. Active years: 2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James Douglas Alexander Chambers. Retrieved from https://idiyas.com/inventor/james-douglas-alexander-chambers-5a4t4ljn

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 = 1

Forward Citations = 14(Granted Patents)


Company Filing History:


Years Active: 2005

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1 patent (USPTO):Explore Patents

Title: Innovations by James Douglas Alexander Chambers

Introduction

James Douglas Alexander Chambers is a notable inventor based in York, GB. He has made significant contributions to the field of switched reluctance drives, showcasing his expertise through innovative patents. His work focuses on enhancing the efficiency and functionality of electric drive systems.

Latest Patents

One of his key patents is titled "Rotor position determination in a switched reluctance machine." This invention allows for the control of a switched reluctance drive without the need for a physical rotor position detector. The control method enables continuous current flow in a single winding while the rotor is in motion. It detects the rotor's position by identifying either the peak of the current waveform or another unique feature related to the rotor's position. This innovation represents a significant advancement in the control of electric drives.

Career Highlights

James Chambers is associated with Switched Reluctance Drives Limited, where he applies his knowledge and skills to develop cutting-edge technologies. His work has contributed to the advancement of electric drive systems, making them more efficient and reliable.

Collaborations

He has collaborated with Howard James Slater, working together to push the boundaries of innovation in their field. Their partnership has led to the development of technologies that enhance the performance of switched reluctance drives.

Conclusion

James Douglas Alexander Chambers is a prominent inventor whose work in switched reluctance drives has paved the way for advancements in electric drive technology. His innovative patent demonstrates his commitment to improving efficiency in this field.

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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