For the Inventor, By the Inventor

Enter assignee name

Nashville, TN, United States of America

Fleetguard, Inc.

USPTO Granted Patents = 181

% Expired Patents = 13.3

EPO Patents = 5

Trademarks = 3

Forward Citations = 5,500

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212 inventors (with patents filed for the assignee):

Peter K Herman (28 out of 127 patents)

Barry Mark Verdegan (18 out of 113 patents)

Zemin Jiang (17 out of 52 patents)

4. William C Haberkamp (16 out of 34 patents)

5. Paul D Miller (14 out of 14 patents)

6. Kevin C South (13 out of 51 patents)

7. Hendrik Amirkhanian (12 out of 26 patents)

8. A Caner Demirdogen (12 out of 12 patents)

9. Byron Andrew Pardue (11 out of 13 patents)

10. Z Gerald Liu (10 out of 47 patents)

11. Ismail C Bagci (10 out of 61 patents)

12. Gregory W Hoverson (10 out of 26 patents)

13. Charles W Hawkins (9 out of 35 patents)

14. Murray R Schukar (8 out of 12 patents)

15. Scott P Heckel (8 out of 31 patents)

Core Competencies:

Exhaust Filter

NOx Adsorber

Catalytic Converter

Fluid Filter

Centrifuge

Soot Filter

Acid-Neutralizing Media

Muffler

Electrostatic Precipitator

Air Cleaner

Water Trap

Performance Cartridge

181 patents: Sort by Forward Citations

1. 8181453 - Exhaust Venturi apparatus, system, and method (2012-05-22),

2. 8156732 - Apparatus, system, and method for regenerating an exhaust gas treatment device (2012-04-17),

3. 7913858 - Acid-neutralizing filter media (2011-03-29),

4. 7900441 - Precat-NOx adsorber exhaust aftertreatment system for internal combustion engines (2011-03-08),

5. 7871364 - Centrifuge rotor-detection oil-shutoff device (2011-01-18),

6. 7754123 - High performance filter media with internal nanofiber structure and manufacturing methodology (2010-07-13),

7. 7713493 - Compact combination exhaust muffler and aftertreatment element and water trap assembly (2010-05-11),

8. 7674425 - Variable coalescer (2010-03-09),

9. 7662216 - In-line filter and service method (2010-02-16),

10. 7582267 - Space saving serviceable exhaust aftertreatment assembly (2009-09-01),

11. 7540895 - Multiple flow filter system (2009-06-02),

12. 7533520 - Exhaust aftertreatment mixer with stamped muffler flange (2009-05-19),

13. 7527739 - Apparatus, system, and method for multistage water separation (2009-05-05),

14. 7517380 - Serviceable aligned exhaust aftertreatment assembly (2009-04-14),

15. 7506663 - Magnetic check valve (2009-03-24),

Fleetguard, Inc., headquartered in Nashville, TN, specializes in advanced exhaust aftertreatment technologies. The company develops and manufactures a range of products including exhaust filters, NOx adsorbers, and catalytic converters, aimed at enhancing vehicle emissions control and performance. Fleetguard's expertise extends to fluid filtration and innovative solutions such as centrifuges and soot filters, contributing to cleaner and more efficient engine operations in various automotive and industrial applications.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Fleetguard, Inc.

181 Patents

#5 in Nashville, TN

#22 in Tennessee

#2,237 in US

#4,601 in the World

Nashville, TN, United States of America

Fleetguard, Inc.

Forward Citations = 5,500

212 inventors:

Peter K Herman (28 out of 127 patents)

Barry Mark Verdegan (18 out of 113 patents)

Zemin Jiang (17 out of 52 patents)

4. William C Haberkamp (16 out of 34 patents)

5. Paul D Miller (14 out of 14 patents)

Please report any incorrect information to [email protected]

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