CIPO Patents = 2

Trademarks = 1

Forward Citations = 52

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5 inventors (with patents filed for the assignee):

Paul Hewitt (2 out of 2 patents)

Stephen R Kuhn (2 out of 17 patents)

Ray Hoyer (2 out of 3 patents)

4. Jack R Long (1 out of 7 patents)

5. John L Donovan (10 patents)

5 patents: Sort by Forward Citations

1. 6631685 - Dual friction wear plate assembly for a railcar side frame saddle (2003-10-14),

2. 6581527 - Adjustable side bearing for a railcar (2003-06-24),

3. 6568641 - Electrically operated railroad switch machine (2003-05-27),

4. 6427950 - Electrically operated railroad switch machine (2002-08-06),

5. 6422154 - Three-piece railway truck frame having a selectively removable bolster (2002-07-23),

Meridian Rail Information Systems Corp. is a leading provider of innovative railway management software solutions. With over 20 years of experience in the industry, we offer comprehensive products and services that empower railroads to optimize operations, improve safety, and increase efficiency. Our cutting-edge technology helps clients streamline scheduling, dispatching, and maintenance processes, ultimately enhancing overall performance and profitability.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

5 Patents

#18 in Lombard, IL

#2,360 in Illinois

#50,165 in US

Lombard, IL, United States of America

Meridian Rail Information Systems Corp.