For the Inventor, By the Inventor

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Minneapolis, MN, United States of America

Clearfield, Inc.

USPTO Granted Patents = 64

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: Sort by Forward Citations

1. 12663603 - Modular vault for fiber optic cables (2026-06-23),

2. 12619044 - Optical fiber routing tool (2026-05-05),

3. 12546963 - Sealed optical fiber terminal (2026-02-10),

4. 12474531 - Adapter dustcap with built-in cleaner (2025-11-18),

5. 12345940 - Aerial optical fiber distribution hub (2025-07-01),

6. 12339513 - Small form factor flatdrop pulling bullet (2025-06-24),

7. 12287519 - Flexible optical fiber connectors and assemblies (2025-04-29),

8. 12287516 - Dustcap with built-in cleaner (2025-04-29),

9. 12265271 - Gasket for a sealed optical fiber terminal (2025-04-01),

10. 12164167 - Modular pedestal distribution hub (2024-12-10),

11. 12153274 - Flexible cable mounting systems (2024-11-26),

12. 12092885 - Optical fiber distribution systems and components (2024-09-17),

13. 12007609 - Dustcap with built-in cleaner (2024-06-11),

14. 11994731 - Optical fiber pedestal box (2024-05-28),

15. 11971599 - Sealed optical fiber terminal (2024-04-30),

Clearfield, Inc. is a leading provider of fiber management and connectivity platforms for communication service providers. Their products enable service providers to simplify network operations, reduce costs, and improve deployment timeframes. Clearfield offers a wide range of solutions including fiber distribution systems, optical access platforms, and fiber termination hubs. With their innovative technologies, Clearfield aims to deliver reliable and scalable solutions for fiber optic networks.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Clearfield, Inc.

64 Patents

#35 in Minneapolis, MN

#160 in Minnesota

#5,677 in US

#11,463 in the World

Minneapolis, MN, United States of America

Clearfield, Inc.

Forward Citations = 1,549

23 inventors:

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)

Please report any incorrect information to [email protected]

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