% Expired Patents = 25.0

EPO Patents = 2

Trademarks = 7

Forward Citations = 171

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7 inventors (with patents filed for the assignee):

Scott Andrew Ryan (7 out of 27 patents)

Kurt T Kyvik (5 out of 30 patents)

Arthur Parkhurst (4 out of 22 patents)

4. John Matson (1 out of 1 patent)

5. Travis Pettengill (1 out of 3 patents)

6. Bill Barker, Jr (1 out of 3 patents)

7. Wayne Sipes (1 out of 3 patents)

8. Bill Barker (0 patent)

8 patents: Sort by Forward Citations

1. D916248 - Filter cassette (2021-04-13),

2. 8500698 - Catheter anchor (2013-08-06),

3. 8251957 - Catheter securement device (2012-08-28),

4. D663834 - Slotted catheter anchor pad with release layer (2012-07-17),

5. D652509 - Slotted catheter securement device (2012-01-17),

6. 7926368 - Humidity-controlled gas-borne matter collection device (2011-04-19),

7. D625002 - Catheter anchor pad with release layer (2010-10-05),

8. 7205145 - Gas-borne matter collection device (2007-04-17),

Company Overview

Zefon International, Inc. is a leading manufacturer and supplier of air sampling equipment and accessories for industrial hygiene, environmental, occupational health and safety professionals. With over 30 years of experience, Zefon has a reputation for providing high-quality, reliable products that meet the needs of their customers. Their products are used in a variety of industries including pharmaceutical, manufacturing, construction, and more.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#8 in Ocala, FL

#1,094 in Florida

#35,924 in US

Ocala, FL, United States of America

Zefon International, Inc.

Forward Citations = 171

7 inventors:

Scott Andrew Ryan (7 out of 27 patents)

Kurt T Kyvik (5 out of 30 patents)

Arthur Parkhurst (4 out of 22 patents)

4. John Matson (1 out of 1 patent)

5. Travis Pettengill (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Zefon International, Inc.. Retrieved from https://idiyas.com/company/zefon-international

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]

2 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]