% Expired Patents = 16.7

EPO Patents = 1

Forward Citations = 146

Loading Chart...

3 inventors (with patents filed for the assignee):

Dohn J Trempala (18 out of 24 patents)

Keith T Wolski (3 out of 8 patents)

Charles Greuzard (2 out of 2 patents)

18 patents: Sort by Forward Citations

1. 9424701 - Electronic lock and key assembly (2016-08-23),

2. 8991434 - Locking cap system (2015-03-31),

3. 8746023 - Electronic lock and key assembly (2014-06-10),

4. 8683831 - Locking cover plate arrangement (2014-04-01),

5. 7958758 - Electronic lock and key assembly (2011-06-14),

6. 7437901 - Locking cap system (2008-10-21),

7. 7140212 - Locking cover plate arrangement (2006-11-28),

8. 6907760 - Locking cover plate arrangement (2005-06-21),

9. 6698261 - Locking cap system (2004-03-02),

10. 6694783 - Locking cover plate arrangement (2004-02-24),

11. 6674080 - Handheld heat detection device (2004-01-06),

12. 6553795 - Locking cover plate arrangement (2003-04-29),

13. D472434 - Contoured socket head for a key (2003-04-02),

14. 6487882 - Locking cap system (2002-12-03),

15. 6388254 - Handheld heat detection device (2002-05-14),

Company Overview

The Knox Company, based in Phoenix, AZ, specializes in the development and manufacturing of advanced security solutions. Their expertise encompasses a range of products designed to enhance safety and access control, including high-security locks and electronic locking systems. The company is committed to innovation in security technology, focusing on providing reliable and efficient solutions for various industries. With a strong emphasis on quality and performance, The Knox Company aims to meet the evolving needs of its clients in an increasingly complex security landscape.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

18 Patents

#50 in Phoenix, AZ

#215 in Arizona

#17,963 in US

#34,217 in the World

Phoenix, AZ, United States of America

The Knox Company

Forward Citations = 146

3 inventors:

Dohn J Trempala (18 out of 24 patents)

Keith T Wolski (3 out of 8 patents)

Charles Greuzard (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Knox Company. Retrieved from https://idiyas.com/company/knox-company

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]

1 patent (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]