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Apple Valley, MN, United States of America

Celadon Systems, Inc.

Calculating rank

USPTO Granted Patents = 46

% Expired Patents = 10.9

Forward Citations = 212

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9 inventors (with patents filed for the assignee):

Bryan J Root (43 out of 43 patents)

William A Funk (39 out of 43 patents)

John L Dunklee (12 out of 48 patents)

4. Dennis Flanders (2 out of 2 patents)

5. Garrett Tranquillo (2 out of 2 patents)

6. Riley Kaiser (2 out of 2 patents)

7. Adam J Schultz (1 out of 1 patent)

8. Michael Palumbo (1 out of 1 patent)

9. Matthew Page (1 out of 1 patent)

Core Competencies:

Probe Card Assembly

Modular Rail Systems

High Voltage Probes

Probe Test Equipment

Test Apparatus

Latch Mechanism

Twist Lock Mechanism

Replaceable Probe

Shielded Probe

Electrical Test Probes

Top Contact Layout Board

Probe Tile

46 patents: Sort by Forward Citations

1. 12761244 - Portable probe card assembly having a probe card, method for assembling the portable probe card assembly, and method for cleaning the probe card (2026-10-13),

2. 11933816 - Portable probe card assembly (2024-03-19),

3. 11313902 - Modular rail systems, rail systems, mechanisms, and equipment for devices under test (2022-04-26),

4. 11275106 - High voltage probe card system (2022-03-15),

5. 10976347 - Magnet extension (2021-04-13),

6. 10620262 - Modular rail systems, rail systems, mechanisms, and equipment for devices under test (2020-04-14),

7. 10295565 - Probe card with stress relieving feature (2019-05-21),

8. 10261124 - Modular rail systems, rail systems, mechanisms, and equipment for devices under test (2019-04-16),

9. 10254309 - Test apparatus having a probe core with a latch mechanism (2019-04-09),

10. 10145863 - Test systems with a probe apparatus and index mechanism (2018-12-04),

11. 9910067 - Apparatus and method for terminating probe apparatus of semiconductor wafer (2018-03-06),

12. 9726694 - Test systems with a probe apparatus and index mechanism (2017-08-08),

13. 9678149 - Test apparatus having a probe core with a twist lock mechanism (2017-06-13),

14. 9279829 - Apparatus and method for terminating probe apparatus of semiconductor wafer (2016-03-08),

15. 9024651 - Test apparatus having a probe card and connector mechanism (2015-05-05),

Company Overview

Celadon Systems, Inc., based in Apple Valley, MN, specializes in advanced semiconductor testing solutions. The company focuses on the development and manufacturing of probe card assemblies and high voltage probe cards, which are essential for efficient semiconductor wafer probing. Their expertise extends to modular rail systems and innovative test apparatuses, enhancing the reliability and performance of electrical test probes. Celadon Systems is committed to delivering cutting-edge technologies that support the evolving needs of the semiconductor industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

46 Patents

#1 in Apple Valley, MN

#216 in Minnesota

#7,600 in US

#15,122 in the World

Apple Valley, MN, United States of America

Celadon Systems, Inc.

Forward Citations = 212

9 inventors:

Bryan J Root (43 out of 43 patents)

William A Funk (39 out of 43 patents)

John L Dunklee (12 out of 48 patents)

4. Dennis Flanders (2 out of 2 patents)

5. Garrett Tranquillo (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Celadon Systems, Inc.. Retrieved from https://idiyas.com/company/celadon-systems

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]

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