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For the Inventor, By the Inventor

Doraville, GA, United States of America

Purafil, Inc.


USPTO Granted Patents = 22

% Expired Patents = 13.6


Trademarks = 13

Forward Citations = 208

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20 inventors (with patents filed for the assignee):

goldMedal William G England (18 out of 18 patents)

silverMedal Michael W Osborne (2 out of 2 patents)

bronzeMedal Ricardo Gonzalez (1 out of 4 patents)

4.  Matthew Potts (1 out of 1 patent)

5.  Kent Kekeis (1 out of 6 patents)

6.  Michael DelGais (1 out of 1 patent)

7.  David W Nicholas (1 out of 1 patent)

8.  James Aaron Nicholas (1 out of 1 patent)

9.  Xiuyi Zhang (1 out of 1 patent)

10.  Jeffery F Rabon (1 out of 1 patent)

11.  James W Mash (1 out of 1 patent)

12.  Christopher O Muller (1 out of 1 patent)

13.  Cynthia A Afforder (1 out of 1 patent)

14.  Erik Ward (1 out of 1 patent)

15.  Jeff Goergen (1 out of 1 patent)


22 patents:

1. 12629621 - Antimicrobial filter media (2026-05-19),
2. 12594522 - Solid filtration medium incorporating polyacrylamide powder and carbon (2026-04-07),
3. 12357935 - Filter module with radio-frequency identification tag for tuning a filtration system (2025-07-15),
4. 11040307 - Method for removing contaminant from a fluid stream (2021-06-22),
5. 10857518 - Dry-scrubbing media compositions and methods of production and use (2020-12-08),
6. 10151683 - Corrosion sensor using electrical continuity (2018-12-11),
7. 9370763 - High capacity solid filtration media (2016-06-21),
8. 9108142 - High capacity solid filtration media (2015-08-18),
9. 8992867 - Dry-scrubbing media compositions and methods of production and use (2015-03-31),
10. 8586502 - Dry scrubbing media compositions and methods of production and use (2013-11-19),
11. 8420038 - Method for removing contaminants from a fluid stream (2013-04-16),
12. 8343401 - Filtration media having recycled waste materials (2013-01-01),
13. 8247346 - Dry scrubbing air filtration media (2012-08-21),
14. 8182775 - Dry-scrubbing media compositions and methods of production and use (2012-05-22),
15. 7862644 - Dry scrubber and method of converting a wet scrubber to a dry scrubber (2011-01-04),
Company Overview
Purafil, Inc. is a leading provider of air and water filtration solutions, specializing in advanced technologies for indoor air quality management and environmental control. The company develops innovative products designed to remove harmful contaminants and improve the safety and comfort of various environments, including commercial, industrial, and residential spaces. Headquartered in Doraville, Georgia, Purafil is committed to sustainability and enhancing the quality of life through effective air purification solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Purafil, Inc. USPTO Patent Assignee Logo
22 Patents

#2 in Doraville, GA

#289 in Georgia

#15,051 in US

#28,807 in the World

Doraville, GA (US)
Doraville, GA, United States of America

Purafil, Inc.

Forward Citations = 208

20 inventors:

goldMedal William G England (18 out of 18 patents)

silverMedal Michael W Osborne (2 out of 2 patents)

bronzeMedal Ricardo Gonzalez (1 out of 4 patents)

4.  Matthew Potts (1 out of 1 patent)

5.  Kent Kekeis (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Purafil, Inc.. Retrieved from https://idiyas.com/company/purafil

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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