Stamford, United Kingdom

James Dougall Wotherspoon

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Perkins Engines Company Limited, Caterpillar Inc.. Active years: 2010-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: James Dougall Wotherspoon. Retrieved from https://idiyas.com/inventor/james-dougall-wotherspoon

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 33.3

 

Average Co-Inventor Count = 2.9

ph-index = 3

Forward Citations = 17(Granted Patents)


Location History:

  • Stamford, GB (2010 - 2011)
  • Lincolnshire, GB (2014)

Company Filing History:


Years Active: 2010-2014

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3 patents (USPTO):Explore Patents

Title: James Dougall Wotherspoon: Innovator in Engine Technology

Introduction

James Dougall Wotherspoon is a notable inventor based in Stamford, GB. He has made significant contributions to the field of engine technology, holding a total of 3 patents. His innovative designs focus on improving the efficiency and functionality of internal combustion engines.

Latest Patents

Wotherspoon's latest patents include an exhaust gas mixing system and a device for retaining a valve bridge. The exhaust gas mixing system features a mixing tube designed to introduce exhaust gas into the intake air flow of an internal combustion engine. This mixing tube comprises an opening, a tube section, and multiple tube ports strategically located in low static pressure regions. The second patent, a device for retaining a valve bridge, is engineered to engage with multiple valves. It includes a first base member that interacts with at least one valve and a first latching member that secures the valve bridge in place.

Career Highlights

Throughout his career, Wotherspoon has worked with prominent companies such as Perkins Engines Company Limited and Caterpillar Inc. His experience in these organizations has allowed him to refine his skills and contribute to advancements in engine technology.

Collaborations

Wotherspoon has collaborated with talented individuals in the industry, including Martin W Dirker and Eduardo De Almeida. These partnerships have fostered innovation and the development of new technologies.

Conclusion

James Dougall Wotherspoon is a distinguished inventor whose work in engine technology has led to valuable patents and collaborations. His contributions continue to influence the field and drive advancements in internal combustion engine efficiency.

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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