% Expired Patents = 9.1

Trademarks = 2

Forward Citations = 339

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8 inventors (with patents filed for the assignee):

John R French (5 out of 8 patents)

Thomas K Khuu (4 out of 5 patents)

Joseph Francis Nebolon (3 out of 15 patents)

4. Philip James Witham (3 out of 8 patents)

5. Jay S Means (2 out of 2 patents)

6. David M Giuntoli (2 out of 3 patents)

7. David A Poirier (1 out of 21 patents)

8. Thomas K Bailey (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 9610965 - Multiple frequency band braking apparatus with clutch (2017-04-04),

2. 9409443 - Ball bearing braking apparatus (2016-08-09),

3. 8985282 - Ball bearing braking apparatus (2015-03-24),

4. 8602176 - Ball bearing braking apparatus (2013-12-10),

5. 7740114 - Braking shell for shopping cart security device (2010-06-22),

6. 7420461 - Caster-lock with dual receivers (2008-09-02),

7. 7225903 - Shopping cart tilt and tip prevention device (2007-06-05),

8. 6975205 - Cart return credit system (2005-12-13),

9. 6486768 - Cart return loyalty credit system (2002-11-26),

10. 6125972 - Security apparatus and method for shopping carts and the like (2000-10-03),

11. 5881846 - Security device for shopping carts and the like (1999-03-16),

Company Overview

Carttronics, LLC, based in San Diego, CA, specializes in innovative technology solutions for the automotive and transportation sectors. The company focuses on developing advanced systems that enhance vehicle functionality and user experience. With a commitment to research and development, Carttronics leverages cutting-edge technologies to create products that improve efficiency and safety in transportation. Their expertise spans various domains, including software integration and hardware design, positioning them as a key player in the evolving landscape of automotive technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#497 in San Diego, CA

#6,541 in California

#27,514 in US

#51,761 in the World

San Diego, CA, United States of America

Carttronics, LLC.

Forward Citations = 339

8 inventors:

John R French (5 out of 8 patents)

Thomas K Khuu (4 out of 5 patents)

Joseph Francis Nebolon (3 out of 15 patents)

4. Philip James Witham (3 out of 8 patents)

5. Jay S Means (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Carttronics, LLC.. Retrieved from https://idiyas.com/company/carttronics

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]