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For the Inventor, By the Inventor

Richland, WA, United States of America

Dorothy L Stewart

This inventor holds 3 USPTO granted patents. Top assignees: Electric Power Research Institute Incorporated, Other. Active years: 1989-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dorothy L Stewart. Retrieved from https://idiyas.com/inventor/dorothy-l-stewart

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

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 3

Forward Citations = 40(Granted Patents)


Location History:

  • Richland, WA (US) (1989 - 1992)
  • San Jose, CA (US) (2012)

Company Filing History:

goldMedal1 out of 994 
 
Electric Power Research Institute Incorporated
 patents
silverMedal1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-2012

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3 patents (USPTO):Explore Patents
1. D653857 - Caddy assembly (2012-02-14),
2. 5084160 - Method for solubilization of low-rank coal using low molecular weight (1992-01-28),
3. 4882274 - Method for solubilization of low-rank coal using a cell-free enzymatic (1989-11-21),

Title: The Innovative Contributions of Dorothy L. Stewart

Introduction

Dorothy L. Stewart is a notable inventor based in Richland, WA (US). She has made significant contributions to the field of innovation, particularly in the area of coal solubilization. With a total of 3 patents to her name, her work has had a meaningful impact on energy research and development.

Latest Patents

Among her latest patents, Dorothy has developed a caddy assembly and a method for solubilization of low-rank coal using low molecular weight. Additionally, she has created a method for isolating a less than 5,000 dalton molecular weight extracellular product from Coriolus versicolor. This extracellular product is particularly useful for biosolubilizing low-rank coals to form water-soluble products.

Career Highlights

Throughout her career, Dorothy has worked with the Electric Power Research Institute Incorporated, where she has contributed to various innovative projects. Her expertise in energy solutions has positioned her as a key figure in her field.

Collaborations

Dorothy has collaborated with notable individuals such as James K. Fredrickson and James A. Campbell. These partnerships have further enhanced her research and development efforts.

Conclusion

Dorothy L. Stewart's innovative work and dedication to her field have made her a significant contributor to energy research. Her patents and collaborations reflect her commitment to advancing technology and sustainability.

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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