For the Inventor, By the Inventor

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Champaign, IL, United States of America

Advanced Filtration Systems, Inc.

USPTO Granted Patents = 14

% Expired Patents = 7.1

EPO Patents = 4

Forward Citations = 653

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11 inventors (with patents filed for the assignee):

Dennis Michael Deedrich (13 out of 15 patents)

Randall W Heibenthal (13 out of 14 patents)

Richard J Eisenmenger (13 out of 14 patents)

4. Christopher Joseph Salvador (13 out of 14 patents)

5. John R Hacker (12 out of 71 patents)

6. David B Harder (12 out of 23 patents)

7. Jeffrey R Ries (2 out of 61 patents)

8. Patrick Allen Chinn (1 out of 1 patent)

9. David Ofori-Amoah (1 out of 5 patents)

10. Bryant Alan Morris (1 out of 33 patents)

11. Mark Taylor Allott (1 out of 19 patents)

12. Christopher J Salvador (0 patent)

13. Dennis M Deedrich (0 patent)

14. Richard Eisenmenger (0 patent)

14 patents: Sort by Forward Citations

1. 10399015 - Filter cap with insert (2019-09-03),

2. 9511314 - Canister filter system with drain that cooperates with filter element (2016-12-06),

3. 9089795 - Fluid filter system (2015-07-28),

4. 8973760 - Filter system with fuel-water separator (2015-03-10),

5. 8540080 - Fluid filter system (2013-09-24),

6. 8419938 - Fluid filter system (2013-04-16),

7. 8272516 - Fluid filter system (2012-09-25),

8. D656577 - Fuel filter (2012-03-27),

9. D655781 - Fuel filter (2012-03-13),

10. D655376 - Fuel filter (2012-03-06),

11. D648822 - Fuel filter (2011-11-15),

12. D646751 - Filter (2011-10-11),

13. D646750 - Fuel filter (2011-10-11),

14. D646350 - Filter (2011-10-04),

Advanced Filtration Systems, Inc. is a leading provider of innovative filtration solutions for various industries. With a focus on quality and efficiency, we offer a wide range of products and services to meet the unique needs of our customers. Our team of experts is dedicated to delivering superior filtration systems that improve performance and reliability.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

14 Patents

#9 in Champaign, IL

#1,123 in Illinois

#22,289 in US

#42,168 in the World

Champaign, IL, United States of America

Advanced Filtration Systems, Inc.

Forward Citations = 653

11 inventors:

Dennis Michael Deedrich (13 out of 15 patents)

Randall W Heibenthal (13 out of 14 patents)

Richard J Eisenmenger (13 out of 14 patents)

4. Christopher Joseph Salvador (13 out of 14 patents)

5. John R Hacker (12 out of 71 patents)

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