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USPTO Data Jan 1 1976 - Oct 20 2026
64 Patents
#35 in Minneapolis, MN
#160 in Minnesota
#5,686 in US
#11,484 in the World
Clearfield, Inc.
Forward Citations = 1,549
23 inventors:
Minneapolis, MN, United States of America
Clearfield, Inc.
EPO Patents = 1
Trademarks = 14
Forward Citations = 1,549
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23 inventors (with patents filed for the assignee):
John P Hill (64 out of 79 patents)
Randy T VanHorn (23 out of 23 patents)
Walter Ernest Power, Ii (22 out of 44 patents)
4. William Joseph Cruzen (16 out of 25 patents)
5. James John Henschel (10 out of 10 patents)
6. Daniel J Johnson (9 out of 13 patents)
7. Brian Larson (9 out of 11 patents)
8. Joshua J Povlitzki (8 out of 8 patents)
9. Yuki Nishiguchi (6 out of 12 patents)
10. David J Johnsen (6 out of 43 patents)
11. Cheryl Johnson Beranek (6 out of 6 patents)
12. Jeffrey Gniadek (4 out of 4 patents)
13. Matthew John Brigham (4 out of 4 patents)
14. Todd Michael Bade (4 out of 10 patents)
15. Timothy John Kjolsing (4 out of 6 patents)
Core Competencies:
Optical Fiber Routing Tool
Sealed Optical Fiber Terminal
Aerial Optical Fiber Distribution Hub
Flexible Optical Fiber Connectors
Optical Fiber Distribution Systems
Dustcap with Built-In Cleaner
Modular Pedestal Distribution Hub
Protective Cap for Connector
Fiber Optics Deploy Reel
Optical Fiber Management System
Multiport Optical Fiber Terminal
Modular Optical Fiber Cassettes
64 patents:
Company Overview
Clearfield, Inc., based in Minneapolis, MN, specializes in optical fiber management solutions designed to enhance network performance and efficiency. The company develops a range of innovative products, including optical fiber routing tools, sealed terminals, and aerial distribution hubs, which facilitate the deployment and maintenance of fiber optic networks. Clearfield's technology also encompasses flexible connectors and modular distribution systems, addressing the evolving needs of telecommunications and broadband service providers.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Clearfield, Inc.. Retrieved from https://idiyas.com/company/clearfield
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]
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]