K&N Engineering, Inc., based in Riverside, California, specializes in the design and manufacture of high-performance air filtration systems. The company is renowned for its innovative air filter technologies, including pleated filters and hydrocarbon traps, which enhance engine efficiency and performance. K&N's expertise extends to turbo-boost control and mass airflow sensors, catering to automotive and HVAC systems. With a commitment to quality and performance, K&N Engineering continues to lead in the air filtration industry, providing solutions that meet the needs of enthusiasts and professionals alike.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

168 Patents

#1 in Riverside, CA

#516 in California

#2,372 in US

#4,915 in the World

Riverside, CA, United States of America

K&n Engineering, Inc.

Forward Citations = 558

28 inventors:

Steve E Williams (125 out of 133 patents)

Jere James Wall (53 out of 53 patents)

Jonathan Richard Fiello (32 out of 32 patents)

4. Gilbert Heck (13 out of 13 patents)

5. Kevin McClelland (11 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: K&n Engineering, Inc.. Retrieved from https://idiyas.com/company/k-and-n-engineering

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

15 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]