Forward Citations = 256

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3 inventors (with patents filed for the assignee):

Harold A List (9 out of 12 patents)

By Marie List, Executrix (1 out of 1 patent)

Harold A List, Deceased (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 5315934 - Constant contact side bearings with spring biased sliding wedges (1994-05-31),

2. 5174218 - Self-steering trucks with side bearings supporting the entire weight of (1992-12-29),

3. 5000097 - Self-steering railway truck (1991-03-19),

4. 4938152 - Flexible railway car truck (1990-07-03),

5. 4889054 - Steering arms for self-steering trucks and truck retrofitting method (1989-12-26),

6. 4781124 - Articulated trucks (1988-11-01),

7. 4706571 - Self-steering trucks (1987-11-17),

8. 4655143 - Articulated trucks (1987-04-07),

9. 4455946 - Articulated trucks (1984-06-26),

10. 4131069 - Articulated railway car trucks (1978-12-26),

Company Overview

Railway Engineering Associates, Inc. specializes in providing innovative engineering solutions for the railway industry. The company focuses on the design, analysis, and optimization of railway systems, ensuring safety and efficiency in operations. With a commitment to advancing railway technology, it engages in research and development across various domains, including track design, signaling systems, and infrastructure assessment. Based in Bethlehem, PA, the firm serves clients throughout the United States, contributing to the modernization of rail transport.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

10 Patents

#21 in Bethlehem, PA

#1,085 in Pennsylvania

#29,882 in US

#56,092 in the World

Bethlehem, PA, United States of America

Railway Engineering Associates, Inc.

Forward Citations = 256

3 inventors:

Harold A List (9 out of 12 patents)

By Marie List, Executrix (1 out of 1 patent)

Harold A List, Deceased (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Railway Engineering Associates, Inc.. Retrieved from https://idiyas.com/company/railway-engineering-associates

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]