For the Inventor, By the Inventor

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Kent, WA, United States of America

Utilx Corporation

USPTO Granted Patents = 30

% Expired Patents = 20.0

CIPO Patents = 1

EPO Patents = 10

Trademarks = 1

Forward Citations = 703

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14 inventors (with patents filed for the assignee):

William R Stagi (17 out of 18 patents)

James R Steele (12 out of 63 patents)

Glen John Bertini (11 out of 59 patents)

4. Keith Lanan (7 out of 7 patents)

5. Glenn S Jessen (5 out of 5 patents)

6. Nelson Hall (4 out of 5 patents)

7. Kim Jenkins (3 out of 3 patents)

8. Albert W Chau (2 out of 179 patents)

9. Gerald S Solomon (2 out of 2 patents)

10. Oscar E Morel (1 out of 1 patent)

11. Wen Shu (1 out of 1 patent)

12. Alexander Babchanik (1 out of 1 patent)

13. Jorge Albe (1 out of 1 patent)

14. Wayne J Chatterton (1 out of 4 patents)

15. James A Steele (1 patent)

30 patents: Sort by Forward Citations

1. 9210257 - Systems and methods employing time domain reflectometry (2015-12-08),

2. 9110105 - High performance sensor for partial discharge signal-analyzing systems (2015-08-18),

3. 8988099 - On-line time domain reflectometer system (2015-03-24),

4. 8967178 - Saturation valve assembly for electric cables (2015-03-03),

5. 8344252 - Cable splice connection assembly (2013-01-01),

6. 7959477 - Cable termination connection assembly (2011-06-14),

7. 7777131 - Composition and method for restoring an electrical cable and inhibiting corrosion in the aluminum conductor core (2010-08-17),

8. 7723611 - Cable connector having fluid reservoir (2010-05-25),

9. 7704087 - Check valve for charge tank (2010-04-27),

10. 7658629 - Cable connection assembly (2010-02-09),

11. 7621767 - Cable connection assembly (2009-11-24),

12. 7544105 - Cable and cable connection assembly (2009-06-09),

13. 7344396 - Cable connection assembly (2008-03-18),

14. 7331806 - Cable connectors with internal fluid reservoirs (2008-02-19),

15. 7256350 - Fluid reservoir for a cable span (2007-08-14),

Utilx Corporation, based in Kent, Washington, specializes in providing advanced utility solutions, particularly in the field of underground infrastructure. The company focuses on developing innovative technologies and services that enhance the efficiency and reliability of utility operations. With a commitment to improving asset management and operational performance, Utilx plays a vital role in supporting utility companies in their efforts to modernize and maintain critical infrastructure systems.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Utilx Corporation

30 Patents

#10 in Kent, WA

#246 in Washington

#11,249 in US

#21,840 in the World

Kent, WA, United States of America

Utilx Corporation

Forward Citations = 703

14 inventors:

William R Stagi (17 out of 18 patents)

James R Steele (12 out of 63 patents)

Glen John Bertini (11 out of 59 patents)

4. Keith Lanan (7 out of 7 patents)

5. Glenn S Jessen (5 out of 5 patents)

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