For the Inventor, By the Inventor

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Louisville, KY, United States of America

Aaf International, Inc.

USPTO Granted Patents = 26

Forward Citations = 457

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11 inventors (with patents filed for the assignee):

Kyung-Ju Choi (21 out of 46 patents)

Dennis R Porter (2 out of 7 patents)

Ronald E Braswell (2 out of 2 patents)

4. Brian K Baer (2 out of 2 patents)

5. John H Furse (2 out of 2 patents)

6. Russell W Hoeffken (1 out of 23 patents)

7. Robert A Noreen (1 out of 1 patent)

8. Daniel R Haas (1 out of 1 patent)

9. George Matis (1 out of 1 patent)

10. Keiron P O'Connell (1 out of 1 patent)

11. L Alan Gunter (1 out of 1 patent)

Core Competencies:

Pleated Filter

Filter Media

Melt Blown

Automated Manufacture

Air Filter Assembly

Fibrous Web

Sound Attenuation

High Capacity Filters

Spacers

Fluid Stream Positioning

Pocket Filters

Layered Webs

26 patents: Sort by Forward Citations

1. 6409864 - Method of assembly of pleated filter with spacer insert (2002-06-25),

2. 6398839 - Pleated fluid filter medium frame (2002-06-04),

3. 6267832 - Method and apparatus for automated manufacture of unit filters (2001-07-31),

4. 6254653 - Pleated fluid filter medium blend (2001-07-03),

5. 6254476 - Air circulating fan (2001-07-03),

6. 6230776 - Apparatus for forming fibrous filter media (2001-05-15),

7. 6165244 - Filter media with fluid stream positioned fibers (2000-12-25),

8. 6165242 - Pleated filter media with crest spacers and method of making (2000-12-26),

9. 6165241 - Pleated filter media with strip spacers and method of making (2000-12-26),

10. 616524 - Filter media with fluid stream positioned fibers (2000-12-26),

11. 6159318 - Method for forming fibrous filter media, filter units and product (2000-12-12),

12. 6045597 - Pleated filter with spacer insert (2000-04-04),

13. 6033454 - Air filter assembly (2000-03-07),

14. 6022305 - Pleating apparatus (2000-02-08),

15. 5976427 - Melt blowing method for forming layered webs of filter media (1999-11-02),

Aaf International, Inc. is a leading provider of air filtration solutions, specializing in the design and manufacture of high-performance filters for various applications. The company focuses on improving indoor air quality across multiple sectors, including commercial, industrial, and residential environments. With a commitment to innovation, Aaf International leverages advanced technologies to develop products that enhance air cleanliness and efficiency, contributing to healthier living and working spaces. Headquartered in Louisville, KY, the company serves a global market.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

26 Patents

#21 in Louisville, KY

#49 in Kentucky

#12,843 in US

#24,758 in the World

Louisville, KY, United States of America

Aaf International, Inc.

Forward Citations = 457

11 inventors:

Kyung-Ju Choi (21 out of 46 patents)

Dennis R Porter (2 out of 7 patents)

Ronald E Braswell (2 out of 2 patents)

4. Brian K Baer (2 out of 2 patents)

5. John H Furse (2 out of 2 patents)

Please report any incorrect information to [email protected]

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