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For the Inventor, By the Inventor

Riverside, CA, United States of America

K&n Engineering, Inc.


USPTO Granted Patents = 159



Trademarks = 125

Forward Citations = 521

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31 inventors (with patents filed for the assignee):

goldMedal Steve E Williams (125 out of 133 patents)

silverMedal Jere James Wall (49 out of 49 patents)

bronzeMedal 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

159 patents:

1. 12405620 - Portable mass airflow training module (2025-09-02),
2. 12404826 - Turbo-boost controlled intake system (2025-09-02),
3. 12350619 - Hydrocarbon absorbing air filter box (2025-07-08),
4. 12345221 - Curved base air filter (2025-07-01),
5. 12297783 - Throttle control system (2025-05-13),
6. 12268988 - HVAC system air filter (2025-04-08),
7. 12257538 - Air filter precleaner (2025-03-25),
8. 12228349 - Modular intercooler block (2025-02-18),
9. 12209543 - Throttle controlled intake system (2025-01-28),
10. 12152556 - Air filter for turbochargers and superchargers (2024-11-26),
11. 12147871 - Pleat counter (2024-11-19),
12. 12142089 - Pass-through OBD-II diagnostic interface (2024-11-12),
13. 12140111 - Mass airflow sensor and hydrocarbon trap combination (2024-11-12),
14. 12129806 - Turbo-boost control system (2024-10-29),
15. 12128341 - Compound air filter and method of removal of contaminants (2024-10-29),
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.

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USPTO Data Jan 1 1976 - Dec 9 2025

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159 Patents

#1 in Riverside, CA

#549 in California

#2,412 in US

#5,034 in the World

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Riverside, CA, United States of America

K&n Engineering, Inc.

Forward Citations = 521

31 inventors:

goldMedal Steve E Williams (125 out of 133 patents)

silverMedal Jere James Wall (49 out of 49 patents)

bronzeMedal 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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