Trademarks = 23

Forward Citations = 314

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8 inventors (with patents filed for the assignee):

Howard S Leight (3 out of 40 patents)

Thomas W Fleming (3 out of 12 patents)

Jim Tiemens (3 out of 11 patents)

4. John Allen Jenkins, Jr (3 out of 8 patents)

5. David B Mulvey (1 out of 5 patents)

6. Ed Win Woo (1 out of 1 patent)

7. Raul Cortez (1 out of 1 patent)

8. Bill Nyugen (1 out of 1 patent)

9 patents: Sort by Forward Citations

1. 7305992 - Conforming earplug (2007-12-11),

2. 7220372 - Dual density earplug (2007-05-22),

3. 7210484 - Baffled earplug (2007-05-01),

4. D539415 - Flange earplug (2007-03-27),

5. 7192544 - Earplug with molded-in stiffener (2007-03-20),

6. 6820717 - Pressure regulating earplug (2004-11-23),

7. D426880 - Twisted band for earplug (2000-06-20),

8. 6006857 - Earplug with insertion stem (1999-12-28),

9. D413379 - Combined earplug and insertion stem (1999-08-31),

Company Overview

Howard Leight Industries, LLC is a leading manufacturer of hearing protection products for industrial, recreational, and shooting sports markets. With a focus on innovation and quality, Howard Leight offers a range of earplugs and earmuffs designed to protect workers and shooters from noise-induced hearing loss. The company is dedicated to providing comfortable, effective, and reliable hearing protection solutions for a variety of environments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

9 Patents

#580 in San Diego, CA

#7,730 in California

#32,565 in US

San Diego, CA, United States of America

Howard Leight Industries, LLC

Forward Citations = 314

8 inventors:

Howard S Leight (3 out of 40 patents)

Thomas W Fleming (3 out of 12 patents)

Jim Tiemens (3 out of 11 patents)

4. John Allen Jenkins, Jr (3 out of 8 patents)

5. David B Mulvey (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Howard Leight Industries, LLC. Retrieved from https://idiyas.com/company/howard-leight-industries

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]