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Pittsburgh, PA, United States of America

Calgon Carbon Corporation

USPTO Granted Patents = 135

% Expired Patents = 8.9

EPO Patents = 18

Trademarks = 45

Forward Citations = 2,069

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113 inventors (with patents filed for the assignee):

Richard A Hayden (29 out of 32 patents)

Walter George Tramposch (18 out of 18 patents)

Michael Greenbank (12 out of 12 patents)

4. Thomas M Matviya (12 out of 23 patents)

5. Nicholas R Pollack (11 out of 11 patents)

6. Robert H Vaughn (10 out of 11 patents)

7. David T Doughty (9 out of 9 patents)

8. Jason P Mazzoccoli (7 out of 14 patents)

9. Richard A Mimna (7 out of 20 patents)

10. Ryan W Walker (7 out of 7 patents)

11. Chen-Chou Chiang (6 out of 6 patents)

12. Robert F Sutt, Jr (6 out of 6 patents)

13. Toan P Vo (5 out of 7 patents)

14. Richard W Farmer (5 out of 5 patents)

15. Rebecca L Distefano (5 out of 5 patents)

Core Competencies:

Sorbent Materials

PFAS Filtration

Mercury Removal

Air Purification

Chemical Sorbents

Activated Carbon

Fluid Treatment

Heavy Metals

Vapor Adsorbents

Odor Removal

Nitrogen Oxides

Biogas Purification

135 patents: Sort by Forward Citations

1. 12766456 - Sorbent devices (2026-10-20),

2. 12746531 - Method of characterizing a sorbent (2026-09-29),

3. 12710353 - HYDROCARBON ADSORBER TESTING DEVICE AND METHOD (2026-08-18),

4. 12558672 - Chloramine and chlorine removal material and methods for making the same (2026-02-24),

5. 12558668 - Vapor adsorbent for enclosed volumes (2026-02-24),

6. 12478948 - Perfluoroalkyl and polyfluoroalkyl sorbent materials and methods of use (2025-11-25),

7. 12319593 - Sorbents having high volumetric iodine and molasses values for removal of PFAS from fluids and methods of making and using the same (2025-06-03),

8. 12318758 - Textured sorbent sheets, assemblies containing them, and molds for making same (2025-06-03),

9. 12274997 - Sorbents for immersion cooling (2025-04-14),

10. 12083502 - Chemical sorbent oxidation method and sorbents made therefrom (2024-09-10),

11. 12076687 - Sorbent devices for air intakes (2024-09-03),

12. 12064745 - Iron and nitrogen treated sorbent and method for making same (2024-08-20),

13. 12059668 - Copper, iron, and nitrogen treated sorbent and method for making same (2024-08-13),

14. 11975305 - Sorbent and method of making (2024-05-07),

15. 11958803 - Method for inerting activated carbon in biogas purification equipment (2024-04-16),

Company Overview

Calgon Carbon Corporation, headquartered in Pittsburgh, PA, specializes in the development and manufacturing of advanced sorbent materials. The company focuses on innovative solutions for PFAS filtration, mercury removal, and air purification, utilizing technologies such as activated carbon and chemical sorbents. With a commitment to environmental sustainability, Calgon Carbon addresses critical challenges in fluid treatment and heavy metals removal, providing effective products and services to various industries globally.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

135 Patents

#27 in Pittsburgh, PA

#119 in Pennsylvania

#2,882 in US

#5,991 in the World

Pittsburgh, PA, United States of America

Calgon Carbon Corporation

Forward Citations = 2,069

113 inventors:

Richard A Hayden (29 out of 32 patents)

Walter George Tramposch (18 out of 18 patents)

Michael Greenbank (12 out of 12 patents)

4. Thomas M Matviya (12 out of 23 patents)

5. Nicholas R Pollack (11 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Calgon Carbon Corporation. Retrieved from https://idiyas.com/company/calgon-carbon

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

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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