For the Inventor, By the Inventor

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Marshall, MI, United States of America

Progressive Dynamics, Inc.

Calculating rank

USPTO Granted Patents = 50

Trademarks = 5

Forward Citations = 1,423

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25 inventors (with patents filed for the assignee):

James G Stephenson (17 out of 17 patents)

Jeffrey L Cornell (16 out of 16 patents)

Thomas H Phlipot (12 out of 12 patents)

4. James C Cook, Ii (9 out of 10 patents)

5. Eugene L Kilbourn (9 out of 9 patents)

6. Larry Eccleston (7 out of 27 patents)

7. William F Lohness (5 out of 25 patents)

8. Joseph A Namenye (5 out of 5 patents)

9. Lawrence Karlo (4 out of 4 patents)

10. Earl R Goodrich, Ii (3 out of 4 patents)

11. Charles L Zuck (3 out of 3 patents)

12. David A Kelley (3 out of 3 patents)

13. Dan H Walters (3 out of 3 patents)

14. Peter C Kempf (2 out of 7 patents)

15. Mark D Huggett (2 out of 3 patents)

Core Competencies:

Power Converter

Electrical Housing

Recreational Vehicle

Thermal Blanket

Electrical Busbar

Light Fixture

Fluorescent Lighting

Signal Processing

Patient Warmer

Fiber Optic Lamp

Electromagnetic Surveillance

Voltage Protection

50 patents: Sort by Forward Citations

1. 7782002 - Power converter (2010-08-24),

2. RE40354 - Electrical housing with non-integral cable outlet port member (2008-06-02),

3. D551792 - 12 volt fluorescent light fixture (2007-09-25),

4. RE39461 - Electrical busbar and method of making same (2007-01-08),

5. 6430036 - Electrical housing with non-integral cable outlet port member (2002-08-06),

6. 6424520 - Electrical busbar and method of making same (2002-07-23),

7. 6184649 - Power converter with desulfation mode (2001-02-06),

8. 5982643 - Power converter with selectively variable output and controller and (1999-11-09),

9. D411635 - Light fixture (1999-06-29),

10. D409139 - Converter/charger (1999-05-04),

11. 5728145 - Thermal blanket with central air inlet (1998-03-17),

12. 5687066 - Power converter with overvoltage protection (1997-11-11),

13. 5600550 - Power converter for recreational vehicles and the like (1997-02-04),

14. D376437 - Recreational vehicle light fixture (1996-12-10),

15. D369224 - Recreational vehicle light fixture (1996-04-23),

Company Overview

Progressive Dynamics, Inc. is a leading innovator in power conversion technology, specializing in the development and manufacturing of advanced power converters and electrical housing solutions. Based in Marshall, Michigan, the company focuses on enhancing the efficiency and reliability of electrical systems, particularly in recreational vehicles. Their expertise extends to thermal blankets, electrical busbars, light fixtures, and signal processing, positioning them as a key player in the RV and broader electrical markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

50 Patents

#1 in Marshall, MI

#274 in Michigan

#7,022 in US

#14,036 in the World

Marshall, MI, United States of America

Progressive Dynamics, Inc.

Forward Citations = 1,423

25 inventors:

James G Stephenson (17 out of 17 patents)

Jeffrey L Cornell (16 out of 16 patents)

Thomas H Phlipot (12 out of 12 patents)

4. James C Cook, Ii (9 out of 10 patents)

5. Eugene L Kilbourn (9 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Progressive Dynamics, Inc.. Retrieved from https://idiyas.com/company/progressive-dynamics

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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