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For the Inventor, By the Inventor

Warrenville, IL, United States of America

Fuel Tech, Inc.


USPTO Granted Patents = 68



Trademarks = 10

Forward Citations = 975

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56 inventors (with patents filed for the assignee):

goldMedal William H Sun (18 out of 22 patents)

silverMedal William R Epperly (17 out of 17 patents)

bronzeMedal 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 19 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:
Water Treatment
Gas Saturation
Ammonia Gas Generation
Contaminant Removal
Pollutant Reduction
Nitrogen Oxides Reduction
Sulfur Oxides Reduction
Emissions Control
Wet Scrubber Optimization
Combustion Technologies
Adsorbent Materials
Thermal Urea Gasification

68 patents:

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 leading technology company engaged in the development, commercialization, and application of state-of-the-art proprietary technologies for air pollution control, process optimization, and advanced engineering services. They deliver cost-effective solutions to their customers in the power generation, refining, chemical, and industrial sectors worldwide. With over 30 years of experience, Fuel Tech continues to innovate and provide efficient technologies for cleaner and more sustainable energy production.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

68 Patents

#3 in Warrenville, IL

#296 in Illinois

#5,196 in US

#10,601 in the World

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Warrenville, IL, United States of America

Fuel Tech, Inc.

Forward Citations = 975

56 inventors:

goldMedal William H Sun (18 out of 22 patents)

silverMedal William R Epperly (17 out of 17 patents)

bronzeMedal 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)

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