For the Inventor, By the Inventor

Enter assignee name

Stamford, CT, United States of America

Fuel Tech, Inc.

USPTO Granted Patents = 68

% Expired Patents = 23.5

CIPO Patents = 1

EPO Patents = 4

Trademarks = 10

Forward Citations = 977

Loading Chart...

Loading Chart...

56 inventors (with patents filed for the assignee):

William H Sun (18 out of 22 patents)

William R Epperly (17 out of 17 patents)

James C Sullivan (17 out of 17 patents)

4. Barry N Sprague (15 out of 27 patents)

5. Christopher R Smyrniotis (11 out of 12 patents)

6. John M Boyle (10 out of 10 patents)

7. Kent W Schulz (10 out of 10 patents)

8. Ian Saratovsky (9 out of 21 patents)

9. Emelito P Rivera (9 out of 9 patents)

10. Vasudeo S Gavaskar (7 out of 9 patents)

11. Wayne E Bowers (7 out of 10 patents)

12. Paul G Carmignani (6 out of 6 patents)

13. Mingming Fang (5 out of 19 patents)

14. Jeremy D Peter-Hoblyn (5 out of 24 patents)

15. John H O'Leary (5 out of 5 patents)

Core Competencies:

Nitrogen Oxides

Sulfur Oxides

Water Treatment

Ammonia Generation

Adsorbents

Emissions Control

Flame Combustion

Pollutant Concentration

Scrubbing

Acid Mediation

Gas Saturation

Combustion Efficiency

68 patents: Sort by Forward Citations

1. 11944952 - Removing contaminants from water with adsorbents (2024-04-02),

2. 11642634 - Gas saturation of liquids with application to dissolved gas flotation and supplying dissolved gases to downstream processes and water treatment (2023-05-09),

3. 11339056 - Controlled, compact, on-demand ammonia gas generation process and apparatus (2022-05-24),

4. 11332388 - Removal of selenium from water with kaolinite (2022-05-17),

5. 11332387 - Removing arsenic from water with acid-activated clay (2022-05-17),

6. 10197272 - Process and apparatus for reducing acid plume (2019-02-05),

7. 10166507 - Process for hydrochloric acid mediation (2019-01-01),

8. 10124288 - [object Object] (2018-11-13),

9. 9802154 - Process for sulfur dioxide, hydrochloric acid and mercury mediation (2017-10-31),

10. 9718025 - Reducing hydrochloric acid in cement kilns (2017-08-01),

11. 9656207 - [object Object] (2017-05-23),

12. 9399597 - Ash compositions recovered from coal combustion gases having reduced emissions of HCI and/or mercury (2016-07-26),

13. 9393518 - Processes, apparatus, compositions and systems for reducing emissions of HCI and/or sulfur oxides (2016-07-19),

14. 9289721 - Process and apparatus for improving the operation of wet scrubbers (2016-03-22),

15. 8992868 - Dry processes, apparatus compositions and systems for reducing mercury, sulfur oxides and HCl (2015-03-31),

Fuel Tech, Inc. is a technology company based in Stamford, CT, specializing in advanced solutions for pollutant reduction. The company focuses on developing innovative technologies aimed at controlling emissions of nitrogen oxides and sulfur oxides, as well as enhancing water treatment processes. Fuel Tech's expertise extends to ammonia generation, adsorbents, and flame combustion, positioning it as a leader in emissions control and pollutant concentration strategies. Its commitment to environmental sustainability drives ongoing research and development in these critical areas.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

68 Patents

#17 in Stamford, CT

#148 in Connecticut

#5,367 in US

#10,873 in the World

Stamford, CT, United States of America

Fuel Tech, Inc.

Forward Citations = 977

56 inventors:

William H Sun (18 out of 22 patents)

William R Epperly (17 out of 17 patents)

James C Sullivan (17 out of 17 patents)

4. Barry N Sprague (15 out of 27 patents)

5. Christopher R Smyrniotis (11 out of 12 patents)

Please report any incorrect information to [email protected]

Loading…