Forward Citations = 76

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8 inventors (with patents filed for the assignee):

William Thomas Urmson, Jr (3 out of 14 patents)

John W Mospan (2 out of 29 patents)

Bruce R Wise (2 out of 2 patents)

4. John M Downey (1 out of 12 patents)

5. Howard M Houser, Jr (1 out of 1 patent)

6. William T Uramson, Jr (1 out of 1 patent)

7. Dennis Bell (1 out of 1 patent)

8. Jeffrey P Craig (1 out of 2 patents)

4 patents: Sort by Forward Citations

1. 5687814 - Assembly for applying one or more materials to a rail (1997-11-18),

2. 5641037 - Rail lubrication apparatus (1997-06-24),

3. 5518085 - Assembly for applying solid material to wheels (1996-05-21),

4. 5503331 - Insulated rail joint incorporating spacer-impregnated adhesive and (1996-04-02),

Company Overview

Portec Rail Products, Inc. - RMP Division specializes in the design, manufacturing, and distribution of railway maintenance-of-way products. With a track record of innovation and quality, the RMP Division offers a wide range of solutions such as rail joints, rail anchors, tie plates, and rail sealing systems. Serving the global railway industry, Portec RMP Division is committed to providing reliable and efficient products for track maintenance and construction.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#314 in Pittsburgh, PA

#2,213 in Pennsylvania

#60,641 in US

Pittsburgh, PA, United States of America

Portec - Rmp Division

Forward Citations = 76

8 inventors:

William Thomas Urmson, Jr (3 out of 14 patents)

John W Mospan (2 out of 29 patents)

Bruce R Wise (2 out of 2 patents)

4. John M Downey (1 out of 12 patents)

5. Howard M Houser, Jr (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Portec - Rmp Division. Retrieved from https://idiyas.com/company/portec-rmp-division

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]