For the Inventor, By the Inventor

Enter assignee name

Charlotte, NC, United States of America

Pneumafil Corporation

USPTO Granted Patents = 28

CIPO Patents = 2

Trademarks = 2

Forward Citations = 366

Loading Chart...

Loading Chart...

17 inventors (with patents filed for the assignee):

Roger D Williams (12 out of 12 patents)

Bobby L Starling (4 out of 4 patents)

Mark S Gengler (3 out of 5 patents)

4. Stephen M Sanders (2 out of 2 patents)

5. Donnell Cooper (2 out of 2 patents)

6. Roy Hartness (2 out of 2 patents)

7. Harry S Barr, Jr (2 out of 2 patents)

8. David M Ford (2 out of 2 patents)

9. David V Helmlinger (1 out of 1 patent)

10. Thomas E Mullinax (1 out of 1 patent)

11. Hovan Hocutt (1 out of 1 patent)

12. Gary Setzer (1 out of 1 patent)

13. James B Smith (1 out of 1 patent)

14. Craig B Whitney (1 out of 1 patent)

15. Lewis A Levie (1 out of 1 patent)

28 patents: Sort by Forward Citations

1. 5906752 - Self-cleaning belt filter with edge sealing means and method (1999-05-25),

2. 5730767 - Sealing apparatus in a belt-type filter (1998-03-24),

3. 5584913 - Dust collector with two stage self-cleaning of filter elements (1996-12-17),

4. 5582846 - Apparatus for forming compressible material into discrete solid blocks (1996-12-10),

5. 5575143 - Air directing apparatus for use with textile machines and the like (1996-11-19),

6. 5560835 - Pleated belt filter with suction means to remove debris (1996-10-01),

7. 5505385 - Laminar air diffuser (1996-04-09),

8. 5490392 - Heat transfer method and apparatus (1996-02-13),

9. 5346519 - Filter media construction (1994-09-13),

10. 5326511 - Method for forming compressible material into discrete solid blocks (1994-07-05),

11. 5321942 - Method and apparatus for directing conditioned air to a spinning machine (1994-06-21),

12. 5217512 - Apparatus for filtering debris from a moving airstream (1993-06-08),

13. 5116395 - Dust collection with programmable cleaning air control (1992-05-26),

14. 5110331 - Dust collector with re-entrainment prevention walls (1992-05-05),

15. 5062872 - Air filter with horizontal filter elements (1991-11-05),

Pneumafil Corporation is a leading provider of air filtration and dust collection solutions for industrial applications. With more than 50 years of experience, we specialize in designing and manufacturing high-quality air pollution control systems. Our innovative products help companies improve indoor air quality, reduce emissions, and enhance overall operational efficiency. Visit our website to learn more about our comprehensive range of filtration and collection solutions.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

28 Patents

#47 in Charlotte, NC

#264 in North Carolina

#11,614 in US

#22,583 in the World

Charlotte, NC, United States of America

Pneumafil Corporation

Forward Citations = 366

17 inventors:

Roger D Williams (12 out of 12 patents)

Bobby L Starling (4 out of 4 patents)

Mark S Gengler (3 out of 5 patents)

4. Stephen M Sanders (2 out of 2 patents)

5. Donnell Cooper (2 out of 2 patents)

Please report any incorrect information to support@idiyas.com

Loading…