For the Inventor, By the Inventor

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Riverside, CA, United States of America

K&n Engineering, Inc.

USPTO Granted Patents = 161

EPO Patents = 11

Trademarks = 113

Forward Citations = 529

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26 inventors (with patents filed for the assignee):

Steve E Williams (125 out of 133 patents)

Jere James Wall (51 out of 51 patents)

Jonathan Richard Fiello (32 out of 32 patents)

4. Gilbert Heck (12 out of 12 patents)

5. Kevin McClelland (11 out of 11 patents)

6. Steve Rogers (10 out of 10 patents)

7. John Reedy (10 out of 10 patents)

8. Amir Rosenbaum (8 out of 15 patents)

9. Joel Valles (7 out of 7 patents)

10. John Kyle (5 out of 5 patents)

11. Richard Dwyer (5 out of 5 patents)

12. Nathan E Shelton (5 out of 5 patents)

13. Duncan Bickerton (5 out of 5 patents)

14. Gilbert Heck (5 out of 5 patents)

15. Colin Arthur Cranstone (4 out of 4 patents)

Core Competencies:

Turbo-Boost Control System

Air Filter Precleaner

Mass Airflow Sensor

HVAC System Air Filter

Modular Intercooler Block

High Performance Air Intake

Hydrocarbon Absorbing Air Filter

Throttle Control System

Portable Mass Airflow Training

Sound Attenuating Engine Exhaust

Drone Elimination Muffler

Pleated Filter Preparation

161 patents: Sort by Forward Citations

1. D1108598 - Multi-panel air filter (2026-01-06),

2. 12503991 - Filter oil formulation (2025-12-23),

3. 12405620 - Portable mass airflow training module (2025-09-02),

4. 12404826 - Turbo-boost controlled intake system (2025-09-02),

5. 12350619 - Hydrocarbon absorbing air filter box (2025-07-08),

6. 12345221 - Curved base air filter (2025-07-01),

7. 12297783 - Throttle control system (2025-05-13),

8. 12268988 - HVAC system air filter (2025-04-08),

9. 12257538 - Air filter precleaner (2025-03-25),

10. 12228349 - Modular intercooler block (2025-02-18),

11. 12209543 - Throttle controlled intake system (2025-01-28),

12. 12152556 - Air filter for turbochargers and superchargers (2024-11-26),

13. 12147871 - Pleat counter (2024-11-19),

14. 12142089 - Pass-through OBD-II diagnostic interface (2024-11-12),

15. 12140111 - Mass airflow sensor and hydrocarbon trap combination (2024-11-12),

K&N Engineering, Inc. is a manufacturer of air filters, oil filters, and performance air intakes. Founded in 1969, K&N Engineering has been providing high-quality filtration products for automotive, motorcycle, and industrial applications. Their innovative designs and advanced technology have made K&N Engineering a trusted brand among enthusiasts and professionals worldwide. Visit their website to explore their extensive product range and learn more about their commitment to performance and reliability.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 13 2026

161 Patents

#1 in Riverside, CA

#545 in California

#2,385 in US

#4,991 in the World

Riverside, CA, United States of America

K&n Engineering, Inc.

Forward Citations = 529

26 inventors:

Steve E Williams (125 out of 133 patents)

Jere James Wall (51 out of 51 patents)

Jonathan Richard Fiello (32 out of 32 patents)

4. Gilbert Heck (12 out of 12 patents)

5. Kevin McClelland (11 out of 11 patents)

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