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For the Inventor, By the Inventor

Morgantown, WV, United States of America

Ranjani V Siriwardane

This inventor holds 29 USPTO granted patents and 3 published patent applications, primarily in Chemical Looping. Top assignees: The United States of America as Represented by the Department of Energy, The United States of America as Represented by the United States. Active years: 1993-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ranjani V Siriwardane. Retrieved from https://idiyas.com/inventor/ranjani-v-siriwardane

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

USPTO Granted Patents = 29 

% Patents Active = 58.6

Average Co-Inventor Count = 1.5

ph-index = 7

Forward Citations = 165(Granted Patents)


Company Filing History:

goldMedal26 out of 1,211 
 
The United States of America as Represented by the Department of Energy
 patents
silverMedal3 out of 3,975 
 
The United States of America as Represented by the United States
 patents

Years Active: 1993-2025

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Areas of Expertise:
Hydrogen Production
Chemical Looping
Synthesis Gas
Ferrite Catalysts
Methane Reforming
CO2 Conversion
Solid Fuels
Gasification
Sorbents
Desulfurization
Copper-Iron Catalysts
Attrition Resistance
29 patents (USPTO):Explore Patents
1. 12319575 - Process for production of hydrogen with transport from chemical looping using mixture of partial oxidation oxygen carriers and combustion oxygen carriers (2025-06-03),
2. 12122967 - Process for production of Hrich synthesis gas from coal/steam with Cu—Fe-alumina based catalysts (2024-10-22),
3. 11433385 - Encapsulation method for preparation of pellets with high attrition resistance (2022-09-06),
4. 11427467 - Iron based catalysts for production of carbon and hydrogen from decomposition of methane (2022-08-30),
5. 11059721 - Production of synthesis gas from natural gas with copper—iron—manganese oxide oxygen carriers/catalysts via partial oxidation and dry reforming processes (2021-07-13),
6. 10864501 - Metal ferrite oxygen carriers for conversion of CO2 to CO and fuel to syngas or CO (2020-12-15),
7. 10513436 - Production of pure hydrogen and synthesis gas or carbon with CUO-Fe2O3 oxygen carriers using chemical looping combustion and methane decomposition/reforming (2019-12-24),
8. 10427138 - Metal ferrite catalyst for conversion of CO2 and methane to synthesis gas via reforming (2019-10-01),
9. 10106407 - Metal ferrite oxygen carriers/catalyst for partial oxidation of methane for production of synthesis gas (2018-10-23),
10. 10030204 - Metal ferrite oxygen carriers for gasification of solid carbonaceous fuel (2018-07-24),
11. 9797594 - Tri-metallic ferrite oxygen carriers for chemical looping combustion (2017-10-24),
12. 9557053 - Metal ferrite oxygen carriers for chemical looping combustion of solid fuels (2017-01-31),
13. 9523499 - Regenerable mixed copper-iron-inert support oxygen carriers for solid fuel chemical looping combustion process (2016-12-20),
14. 9333485 - [object Object] (2016-05-10),
15. 9138683 - [object Object] (2015-09-22),

Title: The Innovative Journey of Inventor Ranjani V Siriwardane

Introduction:

Ranjani V Siriwardane is a pioneering inventor based in Morgantown, WV (US) known for her groundbreaking contributions to the field of energy and environmental technologies. As a woman in a male-dominated industry, she has shattered barriers and continues to inspire with her innovative spirit.

Latest Patents:

Ranjani V Siriwardane holds several patents in the areas of carbon capture, utilization, and storage technologies, showcasing her commitment to sustainable solutions for a greener future.

Career Highlights:

With a distinguished career spanning over two decades, Ranjani V Siriwardane has held key roles in research institutions and universities, where she has led cutting-edge projects focused on clean energy technologies. Her work has been instrumental in advancing the field and addressing critical environmental challenges.

Collaborations:

Throughout her career, Ranjani V Siriwardane has collaborated with leading experts in the industry, forging partnerships that have resulted in impactful research outcomes and innovative solutions. Her collaborative approach has been key to driving progress in the field of energy innovation.

Conclusion:

Inventor Ranjani V Siriwardane's dedication to pushing the boundaries of energy and environmental technologies has established her as a trailblazer in her field. Her passion for creating sustainable solutions and her relentless pursuit of innovation continue to make a lasting impact on the industry and inspire future generations of inventors.

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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